Type CHEATSEQ (case-sensitive) to enable cheat
mode. Then, enter one of the following case-sensitive codes to
activate the corresponding cheat function at the pause menu. Note:
Press [Esc] during game play to display the pause menu.

Code
Weapons HHROQTAT
Next level TERHSRER
Repairs CCHASERQ
Cargo HTARSREC
Items HTARSREC
Win level HERHSORE
Win all levels QHEROEST