Here are some cheats and tips for the game VGA Boulders.
Level Password
2 PLO
3 PR7
4 1PL
5 3SA
6 040
7 041
8 TSR
9 CAR
10 BOX
11 AIR
12 TWO
13 TOO
14 IS2
15 JAJ
16 LAV
17 ANK
18 E_E
19 HMS
20 END