To enable cheat codes type letters on the keyboard during the
game. In Survive mode, the codes do not work.

Code        Result

cheatw    - +100 skills of weapons reloading.
stm       - +10000 money.
cheatm    - +10000 money.
cheats    - +50 to the speed skill.
cheatexp  - Adds enough exp for getting new level.
stexp     - Adds enough exp for getting new level.
stwnn     - Complete level successfully.
stshop    - Download shop on the level.
cheath    - Gives 1000 hp.
st1       - Gives 15000 hp.
stammo    - Gives some ammo.
st2       - Invincibility.
stk9      - Kill all monsters on the map.
stkk      - Kills all monsters withing a radius of 1000 pixels
            from the character.
stgod     - Makes all skills (except perk) 100 or 200 sequential.
            also adds 50000 money.
remgamma  - Remove gamma on the level.
stmusstop - Stop current track.
stat      - Turn on\off current statistics.
stmus[x]  - Turn the x number of tracks.