Enemy Infestation Level select
Hold [Shift] + [Ctrl] and click on “Single Player” to play any normal or special level in the game.
Cheat Codes
While playing the game, enter one of the following codes then press [Enter] to activate the corresponding cheat function. Note: If colonists are selected, they may follow the command assigned to various keys being entered in the code.
| Result | Cheat Code |
| Level skip | gsawin |
| Heal all colonists | gsaheal |
| Removes all roofs | gsaroof |
| Control aliens | gsaswap |
| Kills selected characters; use with gsaswap code to kill aliens | gsakill |
| Stops aliens and colonists | gsastop |
| BOG weapon created at pointer; collect it for extra defense and ability to lock doors | gsabog |
| KNIFE weapon created at pointer; collect it for invisibility to aliens | gsaknife |
| Commander created at pointer | gsacmdr |
| Medical officer created at pointer | gsamedi |
| Technician created at pointer | gsaboff |