diff --git a/moonbus.p8 b/moonbus.p8
index a1e1da5..011b451 100644
--- a/moonbus.p8
+++ b/moonbus.p8
@@ -17,6 +17,7 @@ function reset()
     plr_transed=0
     plr_money=0
     plr_target={x=8,y=2}
+    plr_level=1
     
     telem_spd={}
     
@@ -92,9 +93,12 @@ function _update()
 
     -- crash detection
     local pc=plus(plr_pos,{x=0.5,y=-0.5})
-    if pc.y <= maph and not plr_static then
+    if pc.y <= maph+1 and not plr_static then
         for p in all({plus(pc,clearx(unit(plr_speed,0.4))), plus(pc,cleary(unit(plr_speed,0.4)))}) do
-            local pmaps=mget(p.x,maph-p.y)
+            local pmaps=0
+            if (p.y>=0 and p.y<=maph) then
+                pmaps=mget(p.x,maph-p.y+plr_level*maph)
+            end
             local dock=fget(pmaps,7)
             local target=dist(plr_pos,plr_target)<=1
             local solid=fget(pmaps,0)
@@ -139,9 +143,10 @@ function _draw()
     cls()
 
     camera(cam.x,cam.y)
-    map(0, 0, 0, 128-maph*8)
-    map(0, 0, -128*8, 128-maph*8)
-    map(0, 0, 128*8, 128-maph*8)
+    local lvl=plr_level*maph
+    map(0,lvl, 0, 128-maph*8)
+    map(0,lvl, -128*8, 128-maph*8)
+    map(0,lvl, 128*8, 128-maph*8)
 
     local px,py=to_scrn(plr_pos)
     local img=0
@@ -235,8 +240,8 @@ end
 function next_target()
     local docks={}
     for x=0,127 do
-        for y=0,maph do
-            local m=mget(x,y)
+        for y=0,maph-1 do
+            local m=mget(x,plr_level*maph+y)
             local dock=fget(m,7)
             local new=x!=plr_target.x and y!=plr_target.y
             if dock and new then
@@ -355,6 +360,14 @@ __map__
 0012101013000000000000121010101000000000000000000000000000000012101010101013000000000000000000000000000000000000000000000000000011000000000000000000000020212123202123000000000000000000110000121010130000000000000000202122101300000000000000000000000012101300
 1210101010130000000012101010101011001100000000110000000000121010101010101010130011000000000012141300000000000000000000000000001110130000000000000000000020212121212123000000000011001210101010101010101300001100000000202121101013000012101300000000001210101013
 1010101010101010141010101010101010101010101010101010141010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010141010101010101010101010101010101010101010101010101010101010101010101010101010101010101010212221101010101010
+0000000000000000000012102221212123000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
+0000000000000000111210102121212123000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
+0000000000002021212121212110000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
+0000000000002021211021101010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
+0000000000000000001021212121230000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
+0000000000000000121021102123000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
+0000000000111112101010100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
+1010101410101010101010101010101010101010141010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010
 __sfx__
 000400002c2501f250132503365036650396503765035650316502f6502c650246501d6501b6501b65019650126500e65010650116500c6500d6500e6500c6500a65007650016500065000000000000000000000
 010800000a4500a4500a4503d0502d0503d0502645026050264503d61421630216301d6201c6101a6150000000000000000000000000000000000000000000000000000000000000000000000000000000000000