Enter the Hacking engine in the game. Enter "CHEAT.EXE" and the cheat menu will be unlocked. Enter one of the following codes to activate the corresponding effect:

Infinite health
Enter "7F4DF451" as a code.

Infinite focus
Enter "69E5D9E4" as a code.

Maximum firepower
Enter "0034AFFF" as a code.

Infinite ammunition
Enter "1DDF2556" as a code.

Fast focus restore
Enter "FFF0020A" as a code.

Bonus test level
Enter "13D2C77F" as a code.

Sparks' Construct in training mode
Enter "13D2C77F" or "1302C77F" as a code.

Enemies cannot hear you
Enter "4516DF45" as a code.

Enemies cannot see you
Enter "FFFFFFF1" as a code.

Taxi Driving
Enter "312MF451" as a code.

Multi-player fighting
Enter "D5C55D1E" as a code.

Faster logos
Enter "7867F443" as a code.