diff --git a/asm/pokenav_unk_1.s b/asm/pokenav_unk_1.s
index c9342ebe8c..459369a5bf 100644
--- a/asm/pokenav_unk_1.s
+++ b/asm/pokenav_unk_1.s
@@ -3,461 +3,6 @@
 
 	.syntax unified
 
-	thumb_func_start sub_81C92CC
-sub_81C92CC: @ 81C92CC
-	push {r4,lr}
-	movs r0, 0x1
-	movs r1, 0x10
-	bl AllocSubstruct
-	adds r4, r0, 0
-	cmp r4, 0
-	beq _081C92FA
-	bl sub_81C9268
-	lsls r0, 24
-	lsrs r0, 24
-	movs r1, 0
-	strh r0, [r4]
-	movs r0, 0x2
-	strh r0, [r4, 0x2]
-	strh r0, [r4, 0x4]
-	strh r1, [r4, 0x6]
-	adds r0, r4, 0
-	bl sub_81C939C
-	movs r0, 0x1
-	b _081C92FC
-_081C92FA:
-	movs r0, 0
-_081C92FC:
-	pop {r4}
-	pop {r1}
-	bx r1
-	thumb_func_end sub_81C92CC
-
-	thumb_func_start sub_81C9304
-sub_81C9304: @ 81C9304
-	push {r4,lr}
-	movs r0, 0x1
-	movs r1, 0x10
-	bl AllocSubstruct
-	adds r4, r0, 0
-	cmp r4, 0
-	beq _081C932E
-	bl sub_81C9268
-	lsls r0, 24
-	lsrs r0, 24
-	strh r0, [r4]
-	movs r0, 0x3
-	strh r0, [r4, 0x2]
-	strh r0, [r4, 0x4]
-	adds r0, r4, 0
-	bl sub_81C939C
-	movs r0, 0x1
-	b _081C9330
-_081C932E:
-	movs r0, 0
-_081C9330:
-	pop {r4}
-	pop {r1}
-	bx r1
-	thumb_func_end sub_81C9304
-
-	thumb_func_start sub_81C9338
-sub_81C9338: @ 81C9338
-	push {lr}
-	movs r0, 0x1
-	movs r1, 0x10
-	bl AllocSubstruct
-	adds r2, r0, 0
-	cmp r2, 0
-	beq _081C9360
-	movs r0, 0
-	movs r1, 0x3
-	strh r1, [r2]
-	strh r0, [r2, 0x2]
-	movs r1, 0x5
-	strh r1, [r2, 0x4]
-	strh r0, [r2, 0x6]
-	adds r0, r2, 0
-	bl sub_81C939C
-	movs r0, 0x1
-	b _081C9362
-_081C9360:
-	movs r0, 0
-_081C9362:
-	pop {r1}
-	bx r1
-	thumb_func_end sub_81C9338
-
-	thumb_func_start sub_81C9368
-sub_81C9368: @ 81C9368
-	push {r4,r5,lr}
-	movs r0, 0x1
-	movs r1, 0x10
-	bl AllocSubstruct
-	adds r5, r0, 0
-	cmp r5, 0
-	beq _081C9394
-	movs r4, 0
-	movs r0, 0x4
-	strh r0, [r5]
-	bl sub_81C76AC
-	strh r0, [r5, 0x2]
-	adds r0, 0x8
-	strh r0, [r5, 0x4]
-	strh r4, [r5, 0x6]
-	adds r0, r5, 0
-	bl sub_81C939C
-	movs r0, 0x1
-	b _081C9396
-_081C9394:
-	movs r0, 0
-_081C9396:
-	pop {r4,r5}
-	pop {r1}
-	bx r1
-	thumb_func_end sub_81C9368
-
-	thumb_func_start sub_81C939C
-sub_81C939C: @ 81C939C
-	push {r4,lr}
-	adds r4, r0, 0
-	ldrh r0, [r4]
-	cmp r0, 0x4
-	bhi _081C93E0
-	lsls r0, 2
-	ldr r1, =_081C93B4
-	adds r0, r1
-	ldr r0, [r0]
-	mov pc, r0
-	.pool
-	.align 2, 0
-_081C93B4:
-	.4byte _081C93C8
-	.4byte _081C93CE
-	.4byte _081C93CE
-	.4byte _081C93D4
-	.4byte _081C93DC
-_081C93C8:
-	movs r0, 0
-	bl SetPokenavMode
-_081C93CE:
-	bl sub_81C93EC
-	b _081C93DE
-_081C93D4:
-	ldr r0, =sub_81C963C
-	b _081C93DE
-	.pool
-_081C93DC:
-	ldr r0, =sub_81C96FC
-_081C93DE:
-	str r0, [r4, 0xC]
-_081C93E0:
-	pop {r4}
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end sub_81C939C
-
-	thumb_func_start sub_81C93EC
-sub_81C93EC: @ 81C93EC
-	push {lr}
-	bl GetPokenavMode
-	cmp r0, 0x1
-	beq _081C9408
-	cmp r0, 0x1
-	bcc _081C93FE
-	cmp r0, 0x2
-	beq _081C9410
-_081C93FE:
-	ldr r0, =sub_81C943C
-	b _081C9412
-	.pool
-_081C9408:
-	ldr r0, =sub_81C9520
-	b _081C9412
-	.pool
-_081C9410:
-	ldr r0, =c2_pre_battle_1
-_081C9412:
-	pop {r1}
-	bx r1
-	.pool
-	thumb_func_end sub_81C93EC
-
-	thumb_func_start sub_81C941C
-sub_81C941C: @ 81C941C
-	push {lr}
-	movs r0, 0x1
-	bl GetSubstructPtr
-	ldr r1, [r0, 0xC]
-	bl _call_via_r1
-	pop {r1}
-	bx r1
-	thumb_func_end sub_81C941C
-
-	thumb_func_start sub_81C9430
-sub_81C9430: @ 81C9430
-	push {lr}
-	movs r0, 0x1
-	bl FreePokenavSubstruct
-	pop {r0}
-	bx r0
-	thumb_func_end sub_81C9430
-
-	thumb_func_start sub_81C943C
-sub_81C943C: @ 81C943C
-	push {r4,r5,lr}
-	adds r4, r0, 0
-	bl sub_81C9814
-	cmp r0, 0
-	beq _081C944C
-	movs r0, 0x1
-	b _081C951A
-_081C944C:
-	ldr r2, =gMain
-	ldrh r1, [r2, 0x2E]
-	movs r0, 0x1
-	ands r0, r1
-	adds r5, r2, 0
-	cmp r0, 0
-	beq _081C9508
-	ldr r3, =gUnknown_0861FC59
-	movs r0, 0x2
-	ldrsh r1, [r4, r0]
-	ldrh r2, [r4]
-	lsls r0, r2, 1
-	adds r0, r2
-	lsls r0, 1
-	adds r1, r0
-	adds r1, r3
-	ldrb r0, [r1]
-	cmp r0, 0x4
-	bhi _081C9508
-	lsls r0, 2
-	ldr r1, =_081C9488
-	adds r0, r1
-	ldr r0, [r0]
-	mov pc, r0
-	.pool
-	.align 2, 0
-_081C9488:
-	.4byte _081C949C
-	.4byte _081C94BC
-	.4byte _081C94D4
-	.4byte _081C94E0
-	.4byte _081C9516
-_081C949C:
-	ldr r0, =gSaveBlock2Ptr
-	ldr r0, [r0]
-	ldrb r1, [r0, 0x15]
-	movs r0, 0x8
-	ands r0, r1
-	movs r1, 0x1
-	cmp r0, 0
-	beq _081C94AE
-	movs r1, 0x2
-_081C94AE:
-	strh r1, [r4, 0x6]
-	ldr r1, =0x000186a6
-	b _081C94EE
-	.pool
-_081C94BC:
-	movs r1, 0
-	movs r0, 0x3
-	strh r0, [r4]
-	strh r1, [r4, 0x2]
-	ldrb r0, [r3, 0x12]
-	strh r0, [r4, 0x4]
-	ldr r0, =sub_81C963C
-	str r0, [r4, 0xC]
-	movs r0, 0x2
-	b _081C951A
-	.pool
-_081C94D4:
-	movs r0, 0x6
-	strh r0, [r4, 0x6]
-	ldr r1, =0x000186ab
-	b _081C94EE
-	.pool
-_081C94E0:
-	bl CanViewRibbonsMenu
-	cmp r0, 0
-	beq _081C94FC
-	movs r0, 0x9
-	strh r0, [r4, 0x6]
-	ldr r1, =0x000186ac
-_081C94EE:
-	adds r0, r4, 0
-	bl sub_81C97B0
-	movs r0, 0x8
-	b _081C951A
-	.pool
-_081C94FC:
-	ldr r0, =sub_81C9600
-	str r0, [r4, 0xC]
-	movs r0, 0x6
-	b _081C951A
-	.pool
-_081C9508:
-	ldrh r1, [r5, 0x2E]
-	movs r0, 0x2
-	ands r0, r1
-	cmp r0, 0
-	bne _081C9516
-	movs r0, 0
-	b _081C951A
-_081C9516:
-	movs r0, 0x1
-	negs r0, r0
-_081C951A:
-	pop {r4,r5}
-	pop {r1}
-	bx r1
-	thumb_func_end sub_81C943C
-
-	thumb_func_start sub_81C9520
-sub_81C9520: @ 81C9520
-	push {r4,lr}
-	adds r4, r0, 0
-	bl sub_81C9814
-	cmp r0, 0
-	beq _081C9530
-	movs r0, 0x1
-	b _081C9580
-_081C9530:
-	ldr r0, =gMain
-	ldrh r1, [r0, 0x2E]
-	movs r0, 0x1
-	ands r0, r1
-	cmp r0, 0
-	beq _081C9570
-	ldr r3, =gUnknown_0861FC59
-	movs r0, 0x2
-	ldrsh r1, [r4, r0]
-	ldrh r2, [r4]
-	lsls r0, r2, 1
-	adds r0, r2
-	lsls r0, 1
-	adds r1, r0
-	adds r1, r3
-	ldrb r0, [r1]
-	cmp r0, 0x2
-	bne _081C9578
-	movs r0, 0x6
-	strh r0, [r4, 0x6]
-	ldr r1, =0x000186ab
-	adds r0, r4, 0
-	bl sub_81C97B0
-	movs r0, 0x8
-	b _081C9580
-	.pool
-_081C9570:
-	movs r0, 0x2
-	ands r0, r1
-	cmp r0, 0
-	beq _081C957E
-_081C9578:
-	movs r0, 0x20
-	bl PlaySE
-_081C957E:
-	movs r0, 0
-_081C9580:
-	pop {r4}
-	pop {r1}
-	bx r1
-	thumb_func_end sub_81C9520
-
-	thumb_func_start c2_pre_battle_1
-c2_pre_battle_1: @ 81C9588
-	push {r4,lr}
-	adds r4, r0, 0
-	bl sub_81C9814
-	cmp r0, 0
-	beq _081C9598
-	movs r0, 0x1
-	b _081C95F8
-_081C9598:
-	ldr r0, =gMain
-	ldrh r1, [r0, 0x2E]
-	movs r0, 0x1
-	ands r0, r1
-	cmp r0, 0
-	beq _081C95E8
-	ldr r3, =gUnknown_0861FC59
-	movs r0, 0x2
-	ldrsh r1, [r4, r0]
-	ldrh r2, [r4]
-	lsls r0, r2, 1
-	adds r0, r2
-	lsls r0, 1
-	adds r1, r0
-	adds r1, r3
-	ldrb r0, [r1]
-	cmp r0, 0x2
-	beq _081C95D4
-	cmp r0, 0x4
-	beq _081C95F4
-	movs r0, 0x20
-	bl PlaySE
-	movs r0, 0
-	b _081C95F8
-	.pool
-_081C95D4:
-	movs r0, 0x6
-	strh r0, [r4, 0x6]
-	ldr r1, =0x000186ab
-	adds r0, r4, 0
-	bl sub_81C97B0
-	movs r0, 0x8
-	b _081C95F8
-	.pool
-_081C95E8:
-	movs r0, 0x2
-	ands r0, r1
-	cmp r0, 0
-	bne _081C95F4
-	movs r0, 0
-	b _081C95F8
-_081C95F4:
-	movs r0, 0x1
-	negs r0, r0
-_081C95F8:
-	pop {r4}
-	pop {r1}
-	bx r1
-	thumb_func_end c2_pre_battle_1
-
-	thumb_func_start sub_81C9600
-sub_81C9600: @ 81C9600
-	push {r4,lr}
-	adds r4, r0, 0
-	bl sub_81C9814
-	cmp r0, 0
-	beq _081C9616
-	bl sub_81C93EC
-	str r0, [r4, 0xC]
-	movs r0, 0x1
-	b _081C9634
-_081C9616:
-	ldr r0, =gMain
-	ldrh r1, [r0, 0x2E]
-	movs r0, 0x3
-	ands r0, r1
-	cmp r0, 0
-	bne _081C962C
-	movs r0, 0
-	b _081C9634
-	.pool
-_081C962C:
-	bl sub_81C93EC
-	str r0, [r4, 0xC]
-	movs r0, 0x7
-_081C9634:
-	pop {r4}
-	pop {r1}
-	bx r1
-	thumb_func_end sub_81C9600
-
 	thumb_func_start sub_81C963C
 sub_81C963C: @ 81C963C
 	push {r4-r6,lr}
diff --git a/asm/pokenav_unk_4.s b/asm/pokenav_unk_4.s
index 350609f7dd..38c362fa49 100644
--- a/asm/pokenav_unk_4.s
+++ b/asm/pokenav_unk_4.s
@@ -1506,7 +1506,7 @@ sub_81CBE50: @ 81CBE50
 	movs r0, 0x9
 	bl GetGameStat
 	adds r1, r0, 0
-	ldr r0, =0x0001869f @ Note to decompiler: See UNKNOWN_OFFSET
+	ldr r0, =0x0001869f @ Note to decompiler: See UNKNOWN_POKENAV_OFFSET
 	cmp r1, r0
 	ble _081CBE68
 	adds r1, r0, 0
diff --git a/include/pokenav.h b/include/pokenav.h
index 4c928068c4..f541760c0c 100644
--- a/include/pokenav.h
+++ b/include/pokenav.h
@@ -11,6 +11,8 @@ typedef u32 (*LoopedTask)(s32 state);
 #define LT_FINISH 4
 #define LT_SET_STATE(newState) (newState + 5)
 
+#define UNKNOWN_POKENAV_OFFSET 100000
+
 // pokenav.c
 extern u32 sub_81C99D4(void);
 
@@ -22,10 +24,20 @@ void FreePokenavSubstruct(u32 index);
 void *AllocSubstruct(u32 index, u32 size);
 void Pokenav_AllocAndLoadPalettes(const struct SpritePalette *palettes);
 bool32 IsLoopedTaskActive(u32 taskId);
+void SetPokenavMode(u16 mode);
+u32 GetPokenavMode(void);
+bool32 CanViewRibbonsMenu(void);
 
 // pokenav_match_call_ui.c
 
 // pokenav_unk_1.c
 u32 sub_81C9298(void);
+u32 sub_81C92CC(void);
+u32 sub_81C9304(void);
+u32 sub_81C9338(void);
+u32 sub_81C9368(void);
+u32 sub_81C941C(void);
+void sub_81C9430(void);
+
 
 #endif //GUARD_POKENAV_H
diff --git a/src/pokedex.c b/src/pokedex.c
index 3343854cd1..cf144f6196 100644
--- a/src/pokedex.c
+++ b/src/pokedex.c
@@ -4039,7 +4039,7 @@ void sub_80C0460(u16 weight, u8 left, u8 top)
     lsls r2, 24\n\
     lsrs r2, 24\n\
     str r2, [sp, 0x10]\n\
-    ldr r5, =0x000186a0 @ Note to decompiler: See UNKNOWN_OFFSET\n\
+    ldr r5, =0x000186a0 @ Note to decompiler: See UNKNOWN_POKENAV_OFFSET\n\
     muls r0, r5\n\
     ldr r1, =0x000011b8\n\
     bl __divsi3\n\
@@ -4073,7 +4073,7 @@ _080C04C0:\n\
     mov r8, r1\n\
     movs r6, 0x1\n\
 _080C04C6:\n\
-    ldr r1, =0x000186a0 @ Note to decompiler: See UNKNOWN_OFFSET\n\
+    ldr r1, =0x000186a0 @ Note to decompiler: See UNKNOWN_POKENAV_OFFSET\n\
     adds r0, r7, 0\n\
     bl __umodsi3\n\
     adds r7, r0, 0\n\
diff --git a/src/pokenav.c b/src/pokenav.c
index fba5bd1a60..a5fb155dae 100644
--- a/src/pokenav.c
+++ b/src/pokenav.c
@@ -15,25 +15,12 @@ enum
     MODE_FORCE_CALL_2, // Set after making a call, has to exit Pokenav.
 };
 
-enum
-{
-    NAVMENU_CB_UNK_0,
-    NAVMENU_CB_UNK_1,
-    NAVMENU_CB_UNK_2,
-    NAVMENU_CB_UNK_3,
-    NAVMENU_CB_UNK_4,
-    NAVMENU_CB_UNK_5,
-    NAVMENU_CB_UNK_6
-};
-
 #define LOOPED_TASK_DECODE_STATE(action) (action - 5)
 
 #define LOOPED_TASK_ID(primary, secondary) (((secondary) << 16) |(primary))
 #define LOOPED_TASK_PRIMARY_ID(taskId) (taskId & 0xFFFF)
 #define LOOPED_TASK_SECONDARY_ID(taskId) (taskId >> 16)
 
-#define UNKNOWN_OFFSET 100000
-
 #define SUBSTRUCT_COUNT 19
 
 struct PokenavResources
@@ -46,36 +33,41 @@ struct PokenavResources
     void *field10[SUBSTRUCT_COUNT];
 };
 
-extern u32 sub_81C9430(void);
-extern u32 sub_81C941C(void);
+struct UnknownPokenavCallbackStruct
+{
+    u32 (*unk0)(void);
+    u32 (*unk4)(void);
+    u32 (*unk8)(void);
+    u32 (*unkC)(void);
+    u32 (*unk10)(void);
+    void (*unk14)(void);
+    u32 (*unk18)(void);
+};
+
 extern u32 sub_81C9924(void);
 extern u32 sub_81C99C0(void);
 extern u32 sub_81C9990(void);
 extern u32 sub_81C9940(void);
-extern u32 sub_81C9338(void);
-extern u32 sub_81C9368(void);
-extern u32 sub_81C92CC(void);
-extern u32 sub_81C9304(void);
 extern u32 sub_81CC4D4(void);
 extern u32 sub_81CC554(void);
 extern u32 sub_81CC5F4(void);
 extern u32 sub_81CC62C(void);
 extern u32 sub_81CC65C(void);
-extern u32 sub_81CC524(void);
+extern void sub_81CC524(void);
 extern u32 sub_81CC670(void);
 extern u32 sub_81CCFD8(void);
 extern u32 sub_81CD070(void);
 extern u32 sub_81CDDD4(void);
 extern u32 sub_81CDE2C(void);
 extern u32 sub_81CDE64(void);
-extern u32 sub_81CD1C0(void);
+extern void sub_81CD1C0(void);
 extern u32 sub_81CECA0(void);
 extern u32 sub_81CEF3C(void);
 extern u32 sub_81CEFDC(void);
 extern u32 sub_81CF330(void);
 extern u32 sub_81CF3A0(void);
 extern u32 sub_81CF3D0(void);
-extern u32 sub_81CEFF0(void);
+extern void sub_81CEFF0(void);
 extern u32 sub_81CF3F8(void);
 extern u32 sub_81CD024(void);
 extern u32 sub_81CEF98(void);
@@ -85,21 +77,21 @@ extern u32 sub_81CAB24(void);
 extern u32 sub_81CB260(void);
 extern u32 sub_81CB29C(void);
 extern u32 sub_81CB2CC(void);
-extern u32 sub_81CAB38(void);
+extern void sub_81CAB38(void);
 extern u32 sub_81CB2E0(void);
 extern u32 sub_81CF9BC(void);
 extern u32 sub_81CFA34(void);
 extern u32 sub_81CFDD0(void);
 extern u32 sub_81CFE40(void);
 extern u32 sub_81CFE70(void);
-extern u32 sub_81CFA48(void);
+extern void sub_81CFA48(void);
 extern u32 sub_81CFE98(void);
 extern u32 sub_81D0450(void);
 extern u32 sub_81D04A0(void);
 extern u32 sub_81D0978(void);
 extern u32 sub_81D09B0(void);
 extern u32 sub_81D09E0(void);
-extern u32 sub_81D04B8(void);
+extern void sub_81D04B8(void);
 extern u32 sub_81D09F4(void);
 extern u32 sub_81CFA04(void);
 extern u32 sub_81CFE08(void);
@@ -126,142 +118,142 @@ static void CB2_Pokenav(void);
 void sub_81C72BC(void);
 
 // Const rom data.
-u32 (*const PokenavMenuCallbacks[15][7])(void) =
+const struct UnknownPokenavCallbackStruct PokenavMenuCallbacks[15] =
 {
     {
-        sub_81C9298,
-        sub_81C941C,
-        sub_81C9924,
-        sub_81C9990,
-        sub_81C99C0,
-        sub_81C9430,
-        sub_81C99D4,
+        .unk0 = sub_81C9298,
+        .unk4 = sub_81C941C,
+        .unk8 = sub_81C9924,
+        .unkC = sub_81C9990,
+        .unk10 = sub_81C99C0,
+        .unk14 = sub_81C9430,
+        .unk18 = sub_81C99D4,
     },
     {
-        sub_81C9298,
-        sub_81C941C,
-        sub_81C9940,
-        sub_81C9990,
-        sub_81C99C0,
-        sub_81C9430,
-        sub_81C99D4,
+        .unk0 = sub_81C9298,
+        .unk4 = sub_81C941C,
+        .unk8 = sub_81C9940,
+        .unkC = sub_81C9990,
+        .unk10 = sub_81C99C0,
+        .unk14 = sub_81C9430,
+        .unk18 = sub_81C99D4,
     },
     {
-        sub_81C9338,
-        sub_81C941C,
-        sub_81C9940,
-        sub_81C9990,
-        sub_81C99C0,
-        sub_81C9430,
-        sub_81C99D4,
+        .unk0 = sub_81C9338,
+        .unk4 = sub_81C941C,
+        .unk8 = sub_81C9940,
+        .unkC = sub_81C9990,
+        .unk10 = sub_81C99C0,
+        .unk14 = sub_81C9430,
+        .unk18 = sub_81C99D4,
     },
     {
-        sub_81C9368,
-        sub_81C941C,
-        sub_81C9940,
-        sub_81C9990,
-        sub_81C99C0,
-        sub_81C9430,
-        sub_81C99D4,
+        .unk0 = sub_81C9368,
+        .unk4 = sub_81C941C,
+        .unk8 = sub_81C9940,
+        .unkC = sub_81C9990,
+        .unk10 = sub_81C99C0,
+        .unk14 = sub_81C9430,
+        .unk18 = sub_81C99D4,
     },
     {
-        sub_81C92CC,
-        sub_81C941C,
-        sub_81C9940,
-        sub_81C9990,
-        sub_81C99C0,
-        sub_81C9430,
-        sub_81C99D4,
+        .unk0 = sub_81C92CC,
+        .unk4 = sub_81C941C,
+        .unk8 = sub_81C9940,
+        .unkC = sub_81C9990,
+        .unk10 =sub_81C99C0,
+        .unk14 = sub_81C9430,
+        .unk18 = sub_81C99D4,
     },
     {
-        sub_81C9304,
-        sub_81C941C,
-        sub_81C9940,
-        sub_81C9990,
-        sub_81C99C0,
-        sub_81C9430,
-        sub_81C99D4,
+        .unk0 = sub_81C9304,
+        .unk4 = sub_81C941C,
+        .unk8 = sub_81C9940,
+        .unkC = sub_81C9990,
+        .unk10 = sub_81C99C0,
+        .unk14 = sub_81C9430,
+        .unk18 = sub_81C99D4,
     },
     {
-        sub_81CC4D4,
-        sub_81CC554,
-        sub_81CC5F4,
-        sub_81CC62C,
-        sub_81CC65C,
-        sub_81CC524,
-        sub_81CC670,
+        .unk0 = sub_81CC4D4,
+        .unk4 = sub_81CC554,
+        .unk8 = sub_81CC5F4,
+        .unkC = sub_81CC62C,
+        .unk10 = sub_81CC65C,
+        .unk14 = sub_81CC524,
+        .unk18 = sub_81CC670,
     },
     {
-        sub_81CCFD8,
-        sub_81CD070,
-        sub_81CDDD4,
-        sub_81CDE2C,
-        sub_81CDE64,
-        sub_81CD1C0,
-        sub_81CECA0,
+        .unk0 = sub_81CCFD8,
+        .unk4 = sub_81CD070,
+        .unk8 = sub_81CDDD4,
+        .unkC = sub_81CDE2C,
+        .unk10 = sub_81CDE64,
+        .unk14 = sub_81CD1C0,
+        .unk18 = sub_81CECA0,
     },
     {
-        sub_81CEF3C,
-        sub_81CEFDC,
-        sub_81CF330,
-        sub_81CF3A0,
-        sub_81CF3D0,
-        sub_81CEFF0,
-        sub_81CF3F8,
+        .unk0 = sub_81CEF3C,
+        .unk4 = sub_81CEFDC,
+        .unk8 = sub_81CF330,
+        .unkC = sub_81CF3A0,
+        .unk10 = sub_81CF3D0,
+        .unk14 = sub_81CEFF0,
+        .unk18 = sub_81CF3F8,
     },
     {
-        sub_81CD024,
-        sub_81CD070,
-        sub_81CDDD4,
-        sub_81CDE2C,
-        sub_81CDE64,
-        sub_81CD1C0,
-        sub_81CECA0,
+        .unk0 = sub_81CD024,
+        .unk4 = sub_81CD070,
+        .unk8 = sub_81CDDD4,
+        .unkC = sub_81CDE2C,
+        .unk10 = sub_81CDE64,
+        .unk14 = sub_81CD1C0,
+        .unk18 = sub_81CECA0,
     },
     {
-        sub_81CEF98,
-        sub_81CEFDC,
-        sub_81CF368,
-        sub_81CF3A0,
-        sub_81CF3D0,
-        sub_81CEFF0,
-        sub_81CF3F8,
+        .unk0 = sub_81CEF98,
+        .unk4 = sub_81CEFDC,
+        .unk8 = sub_81CF368,
+        .unkC = sub_81CF3A0,
+        .unk10 = sub_81CF3D0,
+        .unk14 = sub_81CEFF0,
+        .unk18 = sub_81CF3F8,
     },
     {
-        sub_81CAAE8,
-        sub_81CAB24,
-        sub_81CB260,
-        sub_81CB29C,
-        sub_81CB2CC,
-        sub_81CAB38,
-        sub_81CB2E0,
+        .unk0 = sub_81CAAE8,
+        .unk4 = sub_81CAB24,
+        .unk8 = sub_81CB260,
+        .unkC = sub_81CB29C,
+        .unk10 = sub_81CB2CC,
+        .unk14 = sub_81CAB38,
+        .unk18 = sub_81CB2E0,
     },
     {
-        sub_81CF9BC,
-        sub_81CFA34,
-        sub_81CFDD0,
-        sub_81CFE40,
-        sub_81CFE70,
-        sub_81CFA48,
-        sub_81CFE98,
+        .unk0 = sub_81CF9BC,
+        .unk4 = sub_81CFA34,
+        .unk8 = sub_81CFDD0,
+        .unkC = sub_81CFE40,
+        .unk10 = sub_81CFE70,
+        .unk14 = sub_81CFA48,
+        .unk18 = sub_81CFE98,
     },
     {
-        sub_81D0450,
-        sub_81D04A0,
-        sub_81D0978,
-        sub_81D09B0,
-        sub_81D09E0,
-        sub_81D04B8,
-        sub_81D09F4,
+        .unk0 = sub_81D0450,
+        .unk4 = sub_81D04A0,
+        .unk8 = sub_81D0978,
+        .unkC = sub_81D09B0,
+        .unk10 = sub_81D09E0,
+        .unk14 = sub_81D04B8,
+        .unk18 = sub_81D09F4,
     },
     {
-        sub_81CFA04,
-        sub_81CFA34,
-        sub_81CFE08,
-        sub_81CFE40,
-        sub_81CFE70,
-        sub_81CFA48,
-        sub_81CFE98,
+        .unk0 = sub_81CFA04,
+        .unk4 = sub_81CFA34,
+        .unk8 = sub_81CFE08,
+        .unkC = sub_81CFE40,
+        .unk10 = sub_81CFE70,
+        .unk14 = sub_81CFA48,
+        .unk18 = sub_81CFE98,
     },
 };
 
@@ -506,7 +498,7 @@ void sub_81C742C(u8 taskId)
         // Wait for LoopedTask_InitPokenavMenu to finish
         if (PokenavMainMenuLoopedTaskIsActive())
             break;
-        SetActivePokenavMenu(0 + UNKNOWN_OFFSET);
+        SetActivePokenavMenu(0 + UNKNOWN_POKENAV_OFFSET);
         data[0] = 4;
         break;
     case 2:
@@ -520,10 +512,10 @@ void sub_81C742C(u8 taskId)
             ShutdownPokenav();
             data[0] = 5;
         }
-        else if (v1 >= UNKNOWN_OFFSET)
+        else if (v1 >= UNKNOWN_POKENAV_OFFSET)
         {
-            PokenavMenuCallbacks[gPokenavResources->currentMenuIndex][NAVMENU_CB_UNK_6]();
-            PokenavMenuCallbacks[gPokenavResources->currentMenuIndex][NAVMENU_CB_UNK_5]();
+            PokenavMenuCallbacks[gPokenavResources->currentMenuIndex].unk18();
+            PokenavMenuCallbacks[gPokenavResources->currentMenuIndex].unk14();
             if (SetActivePokenavMenu(v1))
             {
                 data[0] = 4;
@@ -563,16 +555,16 @@ void sub_81C742C(u8 taskId)
 
 bool32 SetActivePokenavMenu(u32 indexWithOffset)
 {
-    u32 index = indexWithOffset - UNKNOWN_OFFSET;
+    u32 index = indexWithOffset - UNKNOWN_POKENAV_OFFSET;
 
     InitKeys_();
-    if (!PokenavMenuCallbacks[index][NAVMENU_CB_UNK_0]())
+    if (!PokenavMenuCallbacks[index].unk0())
         return FALSE;
-    if (!PokenavMenuCallbacks[index][NAVMENU_CB_UNK_2]())
+    if (!PokenavMenuCallbacks[index].unk8())
         return FALSE;
 
-    sub_81C7834(PokenavMenuCallbacks[index][NAVMENU_CB_UNK_3], PokenavMenuCallbacks[index][NAVMENU_CB_UNK_4]);
-    gPokenavResources->currentMenuCb1 = PokenavMenuCallbacks[index][NAVMENU_CB_UNK_1];
+    sub_81C7834(PokenavMenuCallbacks[index].unkC, PokenavMenuCallbacks[index].unk10);
+    gPokenavResources->currentMenuCb1 = PokenavMenuCallbacks[index].unk4;
     gPokenavResources->currentMenuIndex = index;
     return TRUE;
 }
@@ -618,7 +610,7 @@ void FreePokenavSubstruct(u32 index)
         FREE_AND_SET_NULL(gPokenavResources->field10[index]);
 }
 
-u16 GetPokenavMode(void)
+u32 GetPokenavMode(void)
 {
     return gPokenavResources->mode;
 }
diff --git a/src/pokenav_unk_1.c b/src/pokenav_unk_1.c
index dd2411e017..da05657cb8 100644
--- a/src/pokenav_unk_1.c
+++ b/src/pokenav_unk_1.c
@@ -1,17 +1,35 @@
 #include "global.h"
 #include "pokenav.h"
 #include "event_data.h"
+#include "main.h"
+#include "sound.h"
+#include "constants/songs.h"
 
 struct Pokenav1Struct
 {
     u16 unk0;
-    u16 unk2;
+    s16 unk2;
     u16 unk4;
     u16 unk6;
-    u8 unk8[8];
+    u32 unk8;
+    u32 (*unkC)(struct Pokenav1Struct*);
 };
 
-extern void sub_81C939C(struct Pokenav1Struct *state);
+
+extern u32 sub_81C76AC(void);
+extern u32 sub_81C963C(struct Pokenav1Struct *a0);
+extern u32 sub_81C96FC(struct Pokenav1Struct *a0);
+extern u32 sub_81C9814(void);
+extern void sub_81C97B0(struct Pokenav1Struct *a0, u32 a1);
+
+u32 sub_81C9600(struct Pokenav1Struct *a0);
+u32 sub_81C9588(struct Pokenav1Struct *a0);
+u32 sub_81C9520(struct Pokenav1Struct *a0);
+u32 sub_81C943C(struct Pokenav1Struct *a0);
+u32 (*sub_81C93EC(void))(struct Pokenav1Struct*);
+void sub_81C939C(struct Pokenav1Struct *state);
+
+extern u8 gUnknown_0861FC59[];
 
 u8 sub_81C9268(void)
 {
@@ -40,4 +58,239 @@ u32 sub_81C9298(void)
     sub_81C939C(state);
 
     return 1;
+}
+
+u32 sub_81C92CC(void)
+{
+    struct Pokenav1Struct *state = AllocSubstruct(1, sizeof(struct Pokenav1Struct));
+    u8 v0;
+
+    if (state == NULL)
+        return 0;
+    
+    state->unk0 = sub_81C9268();
+    state->unk2 = 2;
+    state->unk4 = 2;
+    state->unk6 = 0;
+    sub_81C939C(state);
+
+    return 1;
+}
+
+u32 sub_81C9304(void)
+{
+    struct Pokenav1Struct *state = AllocSubstruct(1, sizeof(struct Pokenav1Struct));
+    u8 v0;
+
+    if (state == NULL)
+        return 0;
+    
+    state->unk0 = sub_81C9268();
+    state->unk2 = 3;
+    state->unk4 = 3;
+    sub_81C939C(state);
+
+    return 1;
+}
+
+u32 sub_81C9338(void)
+{
+    struct Pokenav1Struct *state = AllocSubstruct(1, sizeof(struct Pokenav1Struct));
+    u8 v0;
+
+    if (state == NULL)
+        return 0;
+    
+    state->unk0 = 3;
+    state->unk2 = 0;
+    state->unk4 = 5;
+    state->unk6 = 0;
+    sub_81C939C(state);
+
+    return 1;
+}
+
+u32 sub_81C9368(void)
+{
+    struct Pokenav1Struct *state = AllocSubstruct(1, sizeof(struct Pokenav1Struct));
+    u8 v0;
+
+    if (state == NULL)
+        return 0;
+    
+    state->unk0 = 4;
+    state->unk2 = sub_81C76AC();
+    state->unk4 = 8 + state->unk2;
+    state->unk6 = 0;
+    sub_81C939C(state);
+
+    return 1;
+}
+
+void sub_81C939C(struct Pokenav1Struct *state)
+{
+    switch (state->unk0)
+    {
+    case 0:
+        SetPokenavMode(0);
+        // fallthrough
+    case 1:
+    case 2:
+        state->unkC = sub_81C93EC();
+        break;
+    case 3:
+        state->unkC = sub_81C963C;
+        break;
+    case 4:
+        state->unkC = sub_81C96FC;
+        break;
+    }
+}
+
+u32 (*sub_81C93EC(void))(struct Pokenav1Struct*)
+{
+    switch (GetPokenavMode())
+    {
+    default:
+    case 0:
+        return sub_81C943C;
+    case 1:
+        return sub_81C9520;
+    case 2:
+        return sub_81C9588;
+    }
+}
+
+u32 sub_81C941C(void)
+{
+    struct Pokenav1Struct *state = GetSubstructPtr(1);
+    return state->unkC(state);
+}
+
+void sub_81C9430(void)
+{
+    FreePokenavSubstruct(1);
+}
+
+u32 sub_81C943C(struct Pokenav1Struct *a0)
+{
+    if (sub_81C9814() != 0)
+        return 1;
+
+    if (gMain.newKeys & A_BUTTON)
+    {
+        switch (gUnknown_0861FC59[a0->unk2 + a0->unk0 * 6])
+        {
+        case 0:
+            a0->unk6 = gSaveBlock2Ptr->regionMapZoom ? 2 : 1;
+            sub_81C97B0(a0, UNKNOWN_POKENAV_OFFSET + 6);
+            return 8;
+        case 1:
+            a0->unk0 = 3;
+            a0->unk2 = 0;
+            a0->unk4 = gUnknown_0861FC59[18];
+            a0->unkC = sub_81C963C;
+            return 2;
+        case 2:
+            a0->unk6 = 6;
+            sub_81C97B0(a0, UNKNOWN_POKENAV_OFFSET + 11);
+            return 8;
+        case 3:
+            if (CanViewRibbonsMenu())
+            {
+                a0->unk6 = 9;
+                sub_81C97B0(a0, UNKNOWN_POKENAV_OFFSET + 12);
+                return 8;
+            }
+            else
+            {
+                a0->unkC = sub_81C9600;
+                return 6;
+            }
+        case 4:
+            return -1;
+        }
+    }
+    
+    if (gMain.newKeys & B_BUTTON)
+        return -1;
+
+    return 0;
+}
+
+u32 sub_81C9520(struct Pokenav1Struct *a0)
+{
+    if (sub_81C9814() != 0)
+        return 1;
+    
+    if (gMain.newKeys & A_BUTTON)
+    {
+        if (gUnknown_0861FC59[a0->unk2 + a0->unk0 * 6] == 2)
+        {
+            a0->unk6 = 6;
+            sub_81C97B0(a0, UNKNOWN_POKENAV_OFFSET + 11);
+            return 8;
+        }
+        else
+        {
+            PlaySE(SE_HAZURE);
+            return 0;
+        }
+    }
+    
+    if (gMain.newKeys & B_BUTTON)
+    {
+        PlaySE(SE_HAZURE);
+        return 0;
+    }
+    
+    return 0;
+}
+
+u32 sub_81C9588(struct Pokenav1Struct *a0)
+{
+    if (sub_81C9814() != 0)
+        return 1;
+    
+    if (gMain.newKeys & A_BUTTON)
+    {
+        u32 v0 = gUnknown_0861FC59[a0->unk2 + a0->unk0 * 6];
+        if (v0 != 2 && v0 != 4)
+        {
+            PlaySE(SE_HAZURE);
+            return 0;
+        }
+        else if (v0 == 2)
+        {
+            a0->unk6 = 6;
+            sub_81C97B0(a0, UNKNOWN_POKENAV_OFFSET + 11);
+            return 8;
+        }
+        else
+        {
+            return -1;
+        }
+    }
+    else if (gMain.newKeys & B_BUTTON)
+    {
+        return -1;
+    }
+    return 0;
+}
+
+u32 sub_81C9600(struct Pokenav1Struct *a0)
+{
+    if (sub_81C9814() != 0)
+    {
+        a0->unkC = sub_81C93EC();
+        return 1;
+    }
+
+    if (gMain.newKeys & (A_BUTTON | B_BUTTON))
+    {
+        a0->unkC = sub_81C93EC();
+        return 7;
+    }
+
+    return 0;
 }
\ No newline at end of file