diff --git a/asm/overlay_11_022ECD24.s b/asm/overlay_11_022ECD24.s
index 4664678f..563d9c61 100644
--- a/asm/overlay_11_022ECD24.s
+++ b/asm/overlay_11_022ECD24.s
@@ -4,307 +4,7 @@
 	.text
     
 .public LoadMapType10
-
-	arm_func_start LoadMapType11
-LoadMapType11: ; 0x022ED244
-	stmdb sp!, {r3, r4, r5, r6, r7, r8, sb, sl, fp, lr}
-	sub sp, sp, #0x38
-	mov r4, r1
-	mvn r1, #0
-	mov r7, r2
-	cmp r4, r1
-	ldrneb r1, [r7]
-	mov sl, r0
-	mov r6, r3
-	cmpne r1, #0xff
-	bne _022ED27C
-	mov r0, sl
-	bl ov11_022EC08C
-	b _022ED680
-_022ED27C:
-	bl ov11_022EBFC8
-	mov r1, #2
-	strh r1, [sl]
-	mov r2, #0
-	add r0, sl, #0xea
-	strb r2, [sl, #0x1c0]
-	add r1, sl, #0x100
-	strh r4, [r1, #0xbe]
-	strh r2, [r1, #0xea]
-	add r0, r0, #0x100
-	strh r2, [r0, #2]
-	strh r2, [r1, #0xc8]
-	add r4, sl, #0x1c8
-	strh r2, [r4, #0xa]
-	strb r2, [sl, #0x1e0]
-	add r5, sl, #0x1e0
-	strb r2, [r5, #1]
-	strb r2, [r5, #2]
-	strb r2, [r5, #3]
-	strh r2, [r5, #4]
-	strh r2, [r5, #6]
-	strh r2, [r5, #8]
-	str r2, [sl, #0x1f0]
-	str r7, [sp]
-	ldr r0, [sl, #0x2d8]
-	add r2, sp, #0x28
-	add r3, sp, #0x24
-	mov r1, #0x40
-	bl ov10_022C3E8C
-	ldr r0, [sp, #0x28]
-	mov r3, #0x40
-	strb r0, [r5, #2]
-	ldr r1, [sp, #0x24]
-	add r0, sp, #0x2c
-	strb r1, [r5, #3]
-	ldr r2, [sp, #0x28]
-	add r1, sl, #0x194
-	add r2, r2, r2, lsl #1
-	strb r2, [sl, #0x1e0]
-	ldr r8, [sp, #0x24]
-	ldr r2, _022ED688 ; =0x06018000
-	add r8, r8, r8, lsl #1
-	strb r8, [r5, #1]
-	ldr r8, [sl, #0x2e4]
-	str r8, [sp]
-	str r7, [sp, #4]
-	str r6, [sp, #8]
-	str r3, [sp, #0xc]
-	ldrb r3, [r5, #3]
-	str r3, [sp, #0x10]
-	ldr r3, [sl, #0x2d8]
-	str r3, [sp, #0x14]
-	ldr r3, [sl, #0x2dc]
-	bl ov10_022C3938
-	ldr r3, [sp, #0x2c]
-	ldr r0, [sp, #0x30]
-	mov r2, r5
-	str r3, [sl, #0x17c]
-	str r0, [sl, #0x180]
-	ldr r3, [sp, #0x34]
-	add r0, sl, #0x200
-	str r3, [sl, #0x1b8]
-	ldrsh r3, [r0, #0xce]
-	ldr r0, [sl, #0x2d8]
-	ldr r5, [sl, #0x2d4]
-	mov r1, #0
-	blx r5
-	mov r1, #0x200
-	add r0, sl, #0x100
-	strh r1, [r0, #0xc8]
-	mov r1, #0
-	mov r7, r1
-_022ED39C:
-	add r0, r4, r1, lsl #1
-	add r1, r1, #1
-	strh r7, [r0, #2]
-	cmp r1, #4
-	blt _022ED39C
-	mov r0, #0x190
-	strh r0, [r4, #0xa]
-	add r0, sl, #0x100
-	mov r1, #0xc
-	strh r1, [r0, #0xea]
-	strh r7, [r0, #0xec]
-	ldr r6, [sl, #0x1b8]
-	cmp r6, #0
-	beq _022ED544
-	ldr r0, _022ED68C ; =ov11_02324CBC
-	ldrb r1, [sl, #0x2bc]
-	ldr r5, [r0]
-	mov r0, #0x28
-	smulbb r4, r1, r0
-	ldr r3, _022ED690 ; =ov11_02320BEC
-	add r2, sp, #0x18
-	mov r8, r7
-	add r5, r5, #0x98
-	mov r1, #4
-_022ED3FC:
-	ldrb r0, [r3], #1
-	subs r1, r1, #1
-	strb r0, [r2], #1
-	bne _022ED3FC
-	b _022ED4C0
-_022ED410:
-	add r0, r7, #1
-	mov r3, r0, lsl #0x10
-	mov r1, r7
-	ldr r2, _022ED694 ; =ov11_02320BF4
-	add r0, r5, r4
-	mov r7, r3, lsr #0x10
-	bl sub_0200A590
-	add r6, r6, #4
-	mov sb, #1
-	add fp, sp, #0x20
-_022ED438:
-	add r3, sp, #0x18
-	add r2, sp, #0x1c
-	mov r1, #4
-_022ED444:
-	ldrb r0, [r3], #1
-	subs r1, r1, #1
-	strb r0, [r2], #1
-	bne _022ED444
-	ldrb r0, [r6]
-	add r3, sp, #0x1c
-	add r2, sp, #0x20
-	strb r0, [sp, #0x1c]
-	ldrb r0, [r6, #1]
-	mov r1, #4
-	strb r0, [sp, #0x1d]
-	ldrb r0, [r6, #2]
-	strb r0, [sp, #0x1e]
-	ldrb r0, [r6, #3]
-	strb r0, [sp, #0x1f]
-_022ED480:
-	ldrb r0, [r3], #1
-	subs r1, r1, #1
-	strb r0, [r2], #1
-	bne _022ED480
-	add r0, r7, #1
-	mov r1, r7
-	mov r3, r0, lsl #0x10
-	mov r2, fp
-	add r0, r5, r4
-	mov r7, r3, lsr #0x10
-	bl sub_0200A590
-	add sb, sb, #1
-	cmp sb, #0x10
-	add r6, r6, #4
-	blt _022ED438
-	add r8, r8, #1
-_022ED4C0:
-	cmp r8, #0xc
-	bge _022ED4D8
-	add r0, sl, #0x200
-	ldrsh r0, [r0, #0xc4]
-	cmp r8, r0
-	blt _022ED410
-_022ED4D8:
-	add r6, sl, #0x200
-	ldr fp, _022ED694 ; =ov11_02320BF4
-	b _022ED530
-_022ED4E4:
-	add r0, r7, #1
-	mov r3, r0, lsl #0x10
-	mov r1, r7
-	mov r2, fp
-	add r0, r5, r4
-	mov r7, r3, lsr #0x10
-	bl sub_0200A590
-	mov sb, #1
-_022ED504:
-	add r0, r7, #1
-	mov r3, r0, lsl #0x10
-	mov r1, r7
-	ldr r2, _022ED698 ; =ov11_02320BE8
-	add r0, r5, r4
-	mov r7, r3, lsr #0x10
-	bl sub_0200A590
-	add sb, sb, #1
-	cmp sb, #0x10
-	blt _022ED504
-	add r8, r8, #1
-_022ED530:
-	ldrsh r0, [r6, #0xc4]
-	cmp r8, r0
-	blt _022ED4E4
-	add r0, r5, r4
-	bl sub_0200A504
-_022ED544:
-	mov r1, #0
-	strb r1, [sl, #0x1ee]
-	ldr r0, _022ED68C ; =ov11_02324CBC
-	ldrb r2, [sl, #0x2bc]
-	ldr r3, [r0]
-	mov r0, #0x28
-	strb r1, [sl, #0x1bc]
-	ldr r1, [sl, #0x19c]
-	add r4, sl, #4
-	cmp r1, #0
-	add r3, r3, #0x98
-	smulbb r1, r2, r0
-	beq _022ED5A0
-	add r0, sl, #0x1a0
-	add r1, r3, r1
-	mov r2, #0x20
-	bl sub_02063628
-	ldr r1, [sl, #0x19c]
-	add r0, sl, #0x1a0
-	mov r2, #0x20
-	bl sub_02063734
-	mov r0, #1
-	strb r0, [sl, #0x1bc]
-_022ED5A0:
-	mov r0, #0
-	str r0, [sl, #0x1f4]
-	strb r0, [sl, #0x1f8]
-	strb r0, [sl, #0x1f9]
-	strb r0, [sl, #0x1fa]
-	strb r0, [sl, #0x1fb]
-	mov r5, r0
-_022ED5BC:
-	strh r5, [r4]
-	strh r5, [r4, #2]
-	add r0, r0, #1
-	str r5, [r4, #8]
-	str r5, [r4, #4]
-	cmp r0, #0x10
-	add r4, r4, #0xc
-	blt _022ED5BC
-	add r3, sl, #0xc4
-	mov r1, #0
-	mov r0, #0x2c
-_022ED5E8:
-	mul r2, r5, r0
-	strb r1, [r3, r2]
-	add r2, r3, r2
-	strb r1, [r2, #1]
-	strh r1, [r2, #4]
-	strh r1, [r2, #2]
-	str r1, [r2, #0x10]
-	str r1, [r2, #0x18]
-	str r1, [r2, #0x14]
-	str r1, [r2, #0x20]
-	str r1, [r2, #0x1c]
-	add r5, r5, #1
-	str r1, [r2, #0x24]
-	str r1, [r2, #0x28]
-	cmp r5, #4
-	blt _022ED5E8
-	add r2, sl, #0x200
-	mov r1, #1
-	mov r0, sl
-	strh r1, [r2, #0xb8]
-	bl ov11_022EE620
-	ldr r1, [sl, #0x228]
-	add r0, sl, #0x210
-	blx r1
-	mov r1, #1
-	add r0, sl, #0x184
-	strb r1, [sl, #0x2ba]
-	bl PointsToZero
-	cmp r0, #0
-	bne _022ED668
-	add r0, sl, #0x184
-	bl UnloadFile
-_022ED668:
-	add r0, sl, #0x18c
-	bl PointsToZero
-	cmp r0, #0
-	bne _022ED680
-	add r0, sl, #0x18c
-	bl UnloadFile
-_022ED680:
-	add sp, sp, #0x38
-	ldmia sp!, {r3, r4, r5, r6, r7, r8, sb, sl, fp, pc}
-	.align 2, 0
-_022ED688: .word 0x06018000
-_022ED68C: .word ov11_02324CBC
-_022ED690: .word ov11_02320BEC
-_022ED694: .word ov11_02320BF4
-_022ED698: .word ov11_02320BE8
-	arm_func_end LoadMapType11
+.public LoadMapType11
 
 	arm_func_start ov11_022ED69C
 ov11_022ED69C: ; 0x022ED69C
diff --git a/include/overlay_11_022EBB40.h b/include/overlay_11_022EBB40.h
index 73444c03..46228957 100644
--- a/include/overlay_11_022EBB40.h
+++ b/include/overlay_11_022EBB40.h
@@ -252,5 +252,6 @@ void ov11_022EC08C(GroundBg *groundBg);
 void ov11_022EC240(GroundBg *groundBg, s32 bgId);
 void ov11_022EC27C(GroundBg *groundBg, s32 bgId);
 void LoadMapType10(GroundBg *groundBg, s32 bgId, const DungeonLocation *dungLoc, s32 a3);
+void LoadMapType11(GroundBg *groundBg, s32 bgId, const DungeonLocation *dungLoc, s32 a3);
 
 #endif //PMDSKY_OVERLAY_11_022EBB40_H
diff --git a/src/overlay_11_022EBB40.c b/src/overlay_11_022EBB40.c
index 72a4d449..c79744fe 100644
--- a/src/overlay_11_022EBB40.c
+++ b/src/overlay_11_022EBB40.c
@@ -1532,6 +1532,7 @@ struct Unk_022C3938
 
 extern void sub_02063628(struct UnkGroundBg_1A0 * a0, struct UnkStruct_2324CBC_Sub98 *a1, s32 a2);
 extern void sub_02063734(struct UnkGroundBg_1A0 * a0, s32 a1, s32 a2);
+extern void ov10_022C3E8C(u16 *a0, s32 a1, s32 *a2, s32 *a3, const DungeonLocation *a4);
 extern void ov10_022C3938(struct Unk_022C3938 *a0,
                           struct UnkGroundBg_194 *a1,
                           void *a2,
@@ -1718,4 +1719,146 @@ void LoadMapType10(GroundBg *groundBg, s32 bgId, const DungeonLocation *dungLoc,
     TRY_CLOSE_FILE(groundBg->bmaFile);
 }
 
+void LoadMapType11(GroundBg *groundBg, s32 bgId, const DungeonLocation *dungLoc, s32 a3)
+{
+    BplHeader *bplHeader;
+    LayerSpecs *layerSpecs;
+    BmaHeader *bmaHeader;
+    s32 i;
+    s32 sp24, sp28;
+    struct Unk_022C3938 sp2C;
+    SubStruct_0 *sub0Ptr;
+
+    if (bgId == -1 || dungLoc->id == 0xff) {
+        ov11_022EC08C(groundBg);
+        return;
+    }
+
+    ov11_022EBFC8(groundBg);
+    groundBg->newUnk0 = 2;
+    groundBg->unk1C0 = 0;
+    groundBg->unk1BE = bgId;
+
+    layerSpecs = &groundBg->layerSpecs[0];
+    bmaHeader = &groundBg->bmaHeader;
+    bplHeader = &groundBg->bplHeader;
+
+    bplHeader->numPalettes = 0;
+    bplHeader->hasPalAnimations = 0;
+
+    layerSpecs->numTiles = 0;
+    layerSpecs->numChunks = 0;
+
+    bmaHeader->mapWidthTiles = 0;
+    bmaHeader->mapHeightTiles = 0;
+    /*bmaHeader->tilingWidth* = 0;*/
+    /*bmaHeader->tilingHeight* = 0;*/
+    bmaHeader->mapWidthChunks = 0;
+    bmaHeader->mapHeightChunks = 0;
+    bmaHeader->numLayers = 0;
+    bmaHeader->hasDataLayer = 0;
+    bmaHeader->hasCollision = 0;
+
+    groundBg->unk1F0 = NULL;
+    ov10_022C3E8C(groundBg->unk2D8, 0x40, &sp24, &sp28, dungLoc);
+    bmaHeader->mapWidthChunks = sp24;
+    bmaHeader->mapHeightChunks = sp28;
+    bmaHeader->mapWidthTiles = sp24 * 3;
+    bmaHeader->mapHeightTiles = sp28 * 3;
+    ov10_022C3938(&sp2C,
+                &groundBg->unk194,
+                (void *)(VRAM + 0x18000),
+                groundBg->unk2DC[0],
+                groundBg->unk2E4[0],
+                dungLoc,
+                a3,
+                0x40,
+                bmaHeader->mapHeightChunks,
+                groundBg->unk2D8);
+    groundBg->unk17C = sp2C.unk0;
+    groundBg->unk1B8 = sp2C.unk8;
+    groundBg->unk52C.unk18(groundBg->unk2D8, NULL, bmaHeader, groundBg->unk52C.unk12);
+
+    layerSpecs->numTiles = 512;
+    for (i = 0; i < MAX_BPA_SLOTS; i++) {
+        layerSpecs->bpaSlotNumTiles[i] = 0;
+    }
+
+    layerSpecs->numChunks = 0x190;
+    groundBg->bplHeader.numPalettes = 12;
+    groundBg->bplHeader.hasPalAnimations = FALSE;
+    if (groundBg->unk1B8 != NULL) {
+        const RGB_Array *strPtr = groundBg->unk1B8;
+        struct UnkStruct_2324CBC_Sub98 *unkSubPtr = &ov11_02324CBC->unk98[groundBg->unk52C.unk0];
+        u16 palId = 0;
+        s32 i, j;
+
+        for (i = 0; i < 12 && i < groundBg->unk52C.unk8; i++) {
+            sub_0200A590(unkSubPtr, palId++, &ov11_02320BF4);
+            strPtr++;
+            for (j = 1; j < 16; j++) {
+                RGB_Array sp20;
+                RGB_Array sp1C = ov11_02320BEC;
+                sp1C.c[0] = strPtr->c[0];
+                sp1C.c[1] = strPtr->c[1];
+                sp1C.c[2] = strPtr->c[2];
+                sp1C.c[3] = strPtr->c[3];
+                sp20 = sp1C;
+                sub_0200A590(unkSubPtr, palId++, &sp20);
+                strPtr++;
+            }
+        }
+
+        for (; i < groundBg->unk52C.unk8; i++) {
+            sub_0200A590(unkSubPtr, palId++, &ov11_02320BF4);
+            for (j = 1; j < 16; j++) {
+                sub_0200A590(unkSubPtr, palId++, &ov11_02320BE8);
+            }
+        }
+        sub_0200A504(unkSubPtr);
+    }
+
+    groundBg->unk1EE = 0;
+    sub0Ptr = groundBg->unk0;
+    struct UnkStruct_2324CBC_Sub98 *unkSubPtr = &ov11_02324CBC->unk98[groundBg->unk52C.unk0];
+    groundBg->unk1BC = 0;
+    if (groundBg->unk194.unk8 != 0) {
+        sub_02063628(&groundBg->unk1A0, unkSubPtr, 0x20);
+        sub_02063734(&groundBg->unk1A0, groundBg->unk194.unk8, 0x20);
+        groundBg->unk1BC = 1;
+    }
+    groundBg->animationSpecifications = NULL;
+    groundBg->unk1F8 = 0;
+    groundBg->unk1F9 = 0;
+    groundBg->unk1FA = 0;
+    groundBg->unk1FB = 0;
+
+    for (s32 unk0Id = 0; unk0Id < UNK_0_ARR_COUNT; unk0Id++, sub0Ptr++) {
+        sub0Ptr->unk0 = 0;
+        sub0Ptr->unk2 = 0;
+        sub0Ptr->unk4 = sub0Ptr->unk8 = 0;
+    }
+
+    for (s32 unk3E0Id = 0; unk3E0Id < UNK_3E0_ARR_COUNT; unk3E0Id++) {
+        SubStruct_3E0 *sub3E0 = &groundBg->unk3E0[unk3E0Id];
+        sub3E0->unk0 = 0;
+        sub3E0->unk1 = 0;
+        sub3E0->unk4 = 0;
+        sub3E0->unk2 = 0;
+        sub3E0->unk10 = 0;
+        sub3E0->unk18 = 0;
+        sub3E0->unk14 = 0;
+        sub3E0->unk20 = 0;
+        sub3E0->unk24 = sub3E0->unk1C = 0,
+        sub3E0->unk28 = 0;
+    }
+
+    groundBg->unk2B8 = 1;
+    ov11_022EE620(groundBg, 1);
+    groundBg->mapRender[0].tilemapRenderFunc(&groundBg->mapRender[0]);
+    groundBg->unk2BA = 1;
+    TRY_CLOSE_FILE(groundBg->bpcFile);
+    TRY_CLOSE_FILE(groundBg->bmaFile);
+}
+
 //