diff --git a/ootw/Makefile b/ootw/Makefile
index 59bac6f1..3f506b02 100644
--- a/ootw/Makefile
+++ b/ootw/Makefile
@@ -17,7 +17,7 @@ OOTW:	ootw.o
 
 ootw.o:	ootw.s \
 	gr_copy.s gr_fast_clear.s gr_pageflip.s gr_unrle.s gr_putsprite.s \
-	ootw_backgrounds.inc ootw_sprites.inc
+	ootw_pool.inc ootw_cavern.inc ootw_sprites.inc
 	ca65 -o ootw.o ootw.s -l ootw.lst
 ####
 
@@ -27,8 +27,11 @@ HELLO:  hello.bas
 
 #####
 
-ootw_backgrounds.inc:	$(PNG2RLE) another.png
-	$(PNG2RLE) asm another.png planet_rle > ootw_backgrounds.inc
+ootw_pool.inc:	$(PNG2RLE) another.png
+	$(PNG2RLE) asm another.png pool_rle > ootw_pool.inc
+
+ootw_cavern.inc:	$(PNG2RLE) another_cave.png
+	$(PNG2RLE) asm another_cave.png cavern_rle > ootw_cavern.inc
 
 #####
 
diff --git a/ootw/another_cave.png b/ootw/another_cave.png
new file mode 100644
index 00000000..d858ee5a
Binary files /dev/null and b/ootw/another_cave.png differ
diff --git a/ootw/ootw.s b/ootw/ootw.s
index 2352691b..0745afc0 100644
--- a/ootw/ootw.s
+++ b/ootw/ootw.s
@@ -1,4 +1,4 @@
-	; Ootw
+; Ootw
 
 .include "zp.inc"
 .include "hardware.inc"
@@ -40,9 +40,9 @@ ootw:
 	lda	#$00
 	sta	BASL			; load image off-screen $c00
 
-	lda     #>(planet_rle)
+	lda     #>(pool_rle)
         sta     GBASH
-	lda     #<(planet_rle)
+	lda     #<(pool_rle)
         sta     GBASL
 	jsr	load_rle_gr
 
@@ -494,5 +494,6 @@ end_message:
 .include "gr_copy.s"
 .include "gr_putsprite.s"
 .include "gr_offsets.s"
-.include "ootw_backgrounds.inc"
+.include "ootw_pool.inc"
+.include "ootw_cavern.inc"
 .include "ootw_sprites.inc"
diff --git a/ootw/ootw_cavern.inc b/ootw/ootw_cavern.inc
new file mode 100644
index 00000000..bbd073ec
--- /dev/null
+++ b/ootw/ootw_cavern.inc
@@ -0,0 +1,44 @@
+cavern_rle:	.byte $28 ; ysize=48
+	.byte $A0,$39,$22, $A7,$62, $65, $A3,$55, $F5, $25, $A9,$22
+	.byte $62, $22,$22, $62, $A6,$22, $62,$62, $A3,$22, $62
+	.byte $AB,$66, $55, $6F, $FF, $F6, $66,$66, $62,$62
+	.byte $A4,$22, $66,$66, $62, $66,$66, $62, $A3,$22, $62
+	.byte $66, $6F,$6F, $F2, $22,$22, $AC,$66, $55, $66,$66
+	.byte $6F, $FF, $F6, $A3,$66, $62, $66, $22
+	.byte $A6,$66, $22,$22, $A6,$66, $22,$22, $6F, $F6,$F6, $AE,$66
+	.byte $6F, $F6, $A4,$66, $22, $66,$66, $6F,$6F, $F6,$F6
+	.byte $22,$22, $66, $26, $A4,$66, $22,$22, $A3,$66, $6F,$6F
+	.byte $F6,$F6, $AC,$66, $6F, $F6, $66,$66, $22, $A6,$66
+	.byte $22,$22, $6F, $2F, $7A, $A3,$F6, $22,$22, $A7,$66
+	.byte $6F,$6F, $F6,$F6, $AA,$66, $6F, $F6, $A3,$66, $26
+	.byte $56, $76, $66, $22,$22, $26, $52, $57
+	.byte $76,$76, $66, $22,$22, $A3,$6F, $A3,$F6, $A5,$66, $6F,$6F
+	.byte $F6,$F6, $A7,$66, $6F, $F6, $66,$66, $22, $A3,$55
+	.byte $22,$22, $A4,$55, $27, $76, $22,$22, $66,$66, $26
+	.byte $A3,$66, $A3,$6F, $A3,$F6, $A3,$66, $6F,$6F, $F6,$F6, $A5,$66
+	.byte $6F, $F6, $22, $25, $55,$55, $22,$22, $A3,$55
+	.byte $22, $55,$55, $22,$22, $56, $22, $77, $A0,$17,$66
+	.byte $22,$22, $52, $55, $22,$22, $55,$55, $52, $A3,$55
+	.byte $22,$22, $A4,$55, $76, $A0,$15,$66, $22, $25, $55,$55
+	.byte $22,$22, $A6,$55, $22,$22, $55, $52, $22, $55
+	.byte $77, $7F, $6F,$6F, $7F, $6F,$6F, $88, $A3,$6F
+	.byte $7F,$7F, $76, $77, $76, $A6,$66, $22, $55
+	.byte $25, $55, $22,$22, $25, $A5,$55, $22,$22, $A5,$55
+	.byte $77, $A5,$87, $88, $87, $88, $A3,$87, $A3,$77
+	.byte $A6,$87, $22, $25, $22, $55, $A3,$22, $A5,$55
+	.byte $22,$22, $55,$55, $25, $52, $A3,$57, $58,$58, $78
+	.byte $58, $AA,$88, $58, $78, $A3,$88, $A4,$72, $A3,$22
+	.byte $A5,$55, $22,$22, $55, $25, $22, $A8,$55, $58,$58
+	.byte $88,$88, $22, $88,$88, $58,$58, $A4,$55, $58, $22
+	.byte $55,$55, $75,$75, $A3,$22, $27, $55, $25, $55,$55
+	.byte $A3,$22, $55, $57, $AC,$55, $22, $A4,$55, $25
+	.byte $A4,$55, $22, $27, $57, $55, $A5,$22, $55
+	.byte $22, $55, $25, $A4,$22, $25, $AC,$55, $22
+	.byte $A3,$55, $25, $22, $A3,$55, $A3,$22, $25, $85
+	.byte $A5,$22, $55, $A9,$22, $A7,$82, $A3,$85, $25, $22,$22
+	.byte $25, $85, $22,$22, $85,$85, $A3,$82, $A5,$88, $82
+	.byte $88,$88, $28, $88,$88, $28, $88,$88, $28, $88
+	.byte $28, $A3,$88, $82, $A5,$88, $82,$82, $AC,$88, $A8,$28
+	.byte $A0,$1B,$88, $28,$28, $A6,$88, $28, $22, $28, $88
+	.byte $A3,$82, $A0,$1E,$88, $A0,$78,$00
+	.byte $A1
diff --git a/ootw/ootw_backgrounds.inc b/ootw/ootw_pool.inc
similarity index 98%
rename from ootw/ootw_backgrounds.inc
rename to ootw/ootw_pool.inc
index ee82b1bf..025fbf1c 100644
--- a/ootw/ootw_backgrounds.inc
+++ b/ootw/ootw_pool.inc
@@ -1,4 +1,4 @@
-planet_rle:	.byte $28 ; ysize=48
+pool_rle:	.byte $28 ; ysize=48
 	.byte $22,$22, $99, $A9,$66, $76, $77, $76, $AD,$66
 	.byte $67, $AB,$66, $88, $22, $29, $86, $A6,$66
 	.byte $76, $A3,$66, $7F, $76, $AE,$66, $67, $66