diff --git a/moonbus.p8 b/moonbus.p8
index da5aa3e..fa14d59 100644
--- a/moonbus.p8
+++ b/moonbus.p8
@@ -17,7 +17,7 @@ function reset()
     plr_transed=0
     plr_money=0
     plr_target={x=8,y=2}
-    plr_level=4
+    plr_level=1
 
     levels={
         {map_start=0,map_height=8},
@@ -31,13 +31,11 @@ function reset()
     engine_power=0.1
     fuel_cons=0.005
     land_speed_limit=1
-    local maplevel=levels[plr_level]
-    mapy=maplevel.map_start
-    maph=maplevel.map_height
-    gravity=maplevel.gravity or 0.01
     bonus_docked=1
+    transed_per_level=1
     cam={}
 
+    load_level()
     next_target()
 end
 
@@ -61,11 +59,15 @@ function _update()
             if btn(➡️) then plr_engine=➡️ end
         end
         if plr_docked and btn(❎) then
-            plr_docked=false
-            plr_static=false
-            plr_engine=⬆️
-            plr_speed={x=0,y=0.5}
-            sfx(4)
+            if plr_win then
+                make_progress()
+            else
+                plr_docked=false
+                plr_static=false
+                plr_engine=⬆️
+                plr_speed={x=0,y=0.5}
+                sfx(4)
+            end
         end
 	end
 
@@ -123,7 +125,8 @@ function _update()
                 plr_landings+=1
                 if target then
                     plr_money+=bonus_docked
-                    next_target()
+                    plr_transed+=1
+                    check_progress()
                 end
                 sfx(1)
                 break
@@ -238,8 +241,13 @@ function _draw()
 
     if plr_alive then
         if plr_docked then
-            print("smooth! you docked.", 0,0,3)
-            print("press ❎ to undock.", 32,60,11)
+            if plr_win then
+                print("wohoo! level complete.", 0,0,3)
+                print("press ❎ to advance.", 32,60,11)
+            else
+                print("smooth! you docked.", 0,0,3)
+                print("press ❎ to undock.", 32,60,11)
+            end
         else
             print("land gently to dock.", 0,0,3)
         end
@@ -252,6 +260,31 @@ function _draw()
     print("✽"..plr_money, fx,fy+fh+2+16,3)
 end
 
+function get_new_level()
+    return flr(plr_transed/transed_per_level)+1
+end
+
+function check_progress()
+    if (plr_level!=get_new_level()) then
+        plr_win=true
+    end
+end
+function make_progress()
+    if (plr_win) then
+        plr_level=get_new_level()
+        load_level()
+    end
+    next_target()
+end
+
+function load_level(lvl)
+    local maplevel=levels[plr_level]
+    mapy=maplevel.map_start
+    maph=maplevel.map_height
+    gravity=maplevel.gravity or 0.01
+    plr_win=false
+end
+
 function next_target()
     local docks={}
     for x=0,127 do