Grave Shift 2 - The Sewers

Walkthrough:
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1: go N.
2: flip the switch, go N.
3: push the coffin top onto the coffin, get the shovel (20 hits only!) and 
   the courage potion (if needed), go back to 2.
2: go W.
4: briefly go S to get behind the first spider statue and push it onto the  
   switch, then go S again.
5: has the GREEN DOOR! Push the box onto the button, get the health potion,  
   and go back to 4.
4: go W.
6: has the BLUE DOOR! Flip the switch, go back to 4.
4: push the second spider statue onto the switch, go back to 1.
1: go S.
7: cross the water, push the barrel onto the button, go W.
8: has the RED DOOR! Go back to 1.
1: cross the turtles and go E.
9: push the skull box onto the switch, go N.
10: cross the turtles (make sure your help box is turned off to see the lower
    one), turn the water valve, get the BLUE KEY from behind the waterfall, and 
   go back to 6.
6: open the BLUE DOOR, push the barrel onto the button in the NE corner, go N.
11: kill the creature and collect all the goodies, then go back to 6.
6: go W.
12: push the two boxes onto the two switches (one is hidden in the NW corner), 
    then push the two statues onto the switches, and go N.
13: push the statue onto the switch, stand on the red switch, go W.
14: turn the water valve, then go back to 6.
6:  go S.
15: push box onto red button, push statue onto switch, turn the water valve 
    (across the turtles), go SE for treasure in 5, go NE for treasure in 5, 
    and then go back to 6.
6: go W.
16: collect treasure, go N.
17: push the statue onto the switch, turn the water valve, and get the RED KEY, 
    then go back to 8.
8: open the RED DOOR, turn the water valve, push the tomb closed, and go W.
18: push the statue onto the switch, then go W.
19: push the statue onto the switch, watch the video in the Eye, and then go W.
20: kill the glowing monster (requires several hits) to open the W wall, turn 
    the water valve, get a new shovel! (only 10 hits unfortunately) in the SW
    corner, and go W.
21: push the barrel onto the W button, then push the box onto the S button, 
    then push the statue onto the switch, then get the GREEN KEY, grab the 
    Speed Shield, and book it back to 5.
5: open the GREEN DOOR to complete the level!
    Hooray!