Alien Breed
Type in the codes any time during gampeplay to warp to that level.
| aajihgddc (2) | cgghdggdg (3) |
| hdiciccii (4) | idhehdgcc (5) |
| ijiidihec (6) | cfdfefef (7) |
| jiijjiiiic (8) | aaaabaaaa (9) |
| ccgdcbbbb (10) | hhiaaajjig (11) |
| ggddjjhfd (12) | jiecbfgff (13) |
| hggeddccb (14) | hhhgfgdcc (15) |
| ihhdchghff (16-20) |
