diff --git a/games/keen/Makefile b/games/keen/Makefile
index f844e670..298befa4 100644
--- a/games/keen/Makefile
+++ b/games/keen/Makefile
@@ -55,7 +55,7 @@ mars.o:	mars.s zp.inc hardware.inc game_over.s \
 	mars_keyboard.s draw_tilemap.s \
 	mars_sfx.s longer_sound.s \
 	text_help.s \
-	maps/mars_new.zx02 graphics/parts.gr.zx02
+	maps/mars_map.zx02 graphics/parts.gr.zx02
 	ca65 -o mars.o mars.s -l mars.lst
 
 ####
diff --git a/games/keen/TODO b/games/keen/TODO
index 649d64bd..4bace426 100644
--- a/games/keen/TODO
+++ b/games/keen/TODO
@@ -6,13 +6,13 @@ title
 
 mars map
 ~~~~~~~~
+	+ animate stars
 	+ enforce collision detection
 	+ proper smooth movement
-	+ transporters
-	+ start at starting point
 	+ show keens left at start, also when press ??
 	+ mark completed levels
-
+		at start, over-write finished levels with blue tiles
+		check completed levels when action and not let you re-enter
 level1
 ~~~~~~
 	+ fix so works again
diff --git a/games/keen/maps/Makefile b/games/keen/maps/Makefile
index deaf5d4c..d08f0220 100644
--- a/games/keen/maps/Makefile
+++ b/games/keen/maps/Makefile
@@ -7,7 +7,7 @@ PNG2GR = ../../../utils/gr-utils/png2gr
 
 all:	png2map \
 	level1_map.zx02 level2_map.zx02 \
-	mars_map.gr.zx02 mars_new.zx02
+	mars_map.zx02
 
 ###
 
@@ -29,11 +29,11 @@ level2_map.inc:	level2_map.png png2map
 
 ###
 
-mars_new.zx02:	mars_new.inc
-	$(ZX02) mars_new.inc mars_new.zx02
+mars_map.zx02:	mars_map.inc
+	$(ZX02) mars_map.inc mars_map.zx02
 
-mars_new.inc:	mars_new.png png2map
-	./png2map mars_new.png mars_new.inc
+mars_map.inc:	mars_map.png png2map
+	./png2map mars_map.png mars_map.inc
 
 
 ###
diff --git a/games/keen/maps/mars_map.png b/games/keen/maps/mars_map.png
index cc20fba9..515fc2a5 100644
Binary files a/games/keen/maps/mars_map.png and b/games/keen/maps/mars_map.png differ
diff --git a/games/keen/maps/mars_new.png b/games/keen/maps/mars_new.png
deleted file mode 100644
index 515fc2a5..00000000
Binary files a/games/keen/maps/mars_new.png and /dev/null differ
diff --git a/games/keen/maps/old/mars_map.png b/games/keen/maps/old/mars_map.png
new file mode 100644
index 00000000..cc20fba9
Binary files /dev/null and b/games/keen/maps/old/mars_map.png differ
diff --git a/games/keen/mars.s b/games/keen/mars.s
index e35bd430..01221c4d 100644
--- a/games/keen/mars.s
+++ b/games/keen/mars.s
@@ -357,15 +357,6 @@ done_parts:
 
 	bit	FULLGR
 
-;	lda	#<mars_zx02
-;	sta	ZX0_src
-;	lda	#>mars_zx02
-;	sta	ZX0_src+1
-
-;	lda	#$c    ; load to page $c00
-
-;	jsr	full_decomp	; tail call
-
 	rts
 
 
@@ -498,28 +489,6 @@ check_location_match:
 	rts	; jump
 
 
-;	lda	MARS_X
-;	cmp	#15
-;	bcc	do_nothing	; blt
-;	cmp	#20
-;	bcc	maybe_ship
-;	cmp	#35
-;	bcs	maybe_exit
-;do_nothing:
-;	; TODO: make sound?
-;	rts
-;maybe_ship:
-;	lda	MARS_Y
-;	cmp	#16
-;	bcc	do_nothing
-;	cmp	#24
-;	bcs	do_nothing
-;	jmp	do_parts	; tail call
-;maybe_exit:
-;	inc	LEVEL_OVER
-;	rts
-
-
 
 	;=====================================
 	;=====================================
@@ -535,6 +504,9 @@ dummy_action:
 	;=====================================
 	;=====================================
 	; level number is in X
+
+	; FIXME: make sure level is not completed
+
 enter_level:
 
 	stx	CURRENT_LEVEL
@@ -550,17 +522,17 @@ enter_level:
 	;=====================================
 transport_right:
 
-	; TODO: play noise
-
 	lda	#34
 	sta	MARS_TILEX
 	lda	#3
+
+transport_common:
 	sta	MARS_TILEY
 
 	ldy	#SFX_TELEPORTSND
 	jsr	play_sfx
 
-	jsr	recenter_map	; fallthrough?
+	jsr	recenter_map
 
 	jsr	copy_tilemap_subset
 
@@ -573,21 +545,11 @@ transport_right:
 	;=====================================
 transport_left:
 
-	; TODO: play noise
-
 	lda	#26
 	sta	MARS_TILEX
 	lda	#4
-	sta	MARS_TILEY
 
-	ldy	#SFX_TELEPORTSND
-	jsr	play_sfx
-
-	jsr	recenter_map	; fallthrough?
-
-	jsr	copy_tilemap_subset
-
-	rts
+	bne	transport_common	; bra
 
 	;=====================================
 	;=====================================
@@ -597,23 +559,11 @@ transport_left:
 transport_secret:
 	; TODO: verify we are transporting back to the right place
 
-	; TODO: play noise
-
 	lda	#44
 	sta	MARS_TILEX
 	lda	#24
-	sta	MARS_TILEY
-
-	ldy	#SFX_TELEPORTSND
-	jsr	play_sfx
-
-	jsr	recenter_map	; fallthrough?
-
-	jsr	copy_tilemap_subset
-
-	rts
-
 
+	bne	transport_common	; bra
 
 
 
@@ -702,8 +652,6 @@ location_actions_high:
 
 	; level graphics
 
-mars_zx02:
-	.incbin	"maps/mars_map.gr.zx02"
 parts_zx02:
 	.incbin	"graphics/parts.gr.zx02"
 
@@ -712,7 +660,7 @@ parts_zx02:
 	.include	"gr_fast_clear.s"
 	.include	"gr_copy.s"
 	.include	"gr_pageflip.s"
-;	.include	"gr_putsprite_crop.s"
+	.include	"gr_putsprite_crop.s"
 	.include	"zx02_optim.s"
 	.include	"gr_fade.s"
 
@@ -727,10 +675,9 @@ parts_zx02:
 
 	.include	"mars_sfx.s"
 	.include	"longer_sound.s"
-	.include	"gr_putsprite_crop.s"
 
 mars_data_zx02:
-	.incbin	"maps/mars_new.zx02"
+	.incbin	"maps/mars_map.zx02"
 
 	; dummy
 enemy_data_out: