In game mode:

remgamma          - remove gamma on the level
stwin             - complete level successfully.
cheath            - gives 1000 hp.
st1               - gives 15000 hp.
st2               - invincibility.
stammo            - gives some ammo.
stexp or cheatexp - adds enough exp for getting new level.
cheats            - + 50 to the speed skill.
cheatw            - + 100 skills of weapons reloading.
stkk              - to kill all monsters withing a radius of 1000 pixels from
the character.
stk9              - to kill all monsters on the map.
stgod             - makes all skills (except perk) 100 or 200 sequential. adds
also 50000 money.
stm or cheatm     - + 10 000 money.
stshop            - download shop on the level.
stmus[x]          - turn the x number of tracks.
stmusstop         - stop current track.
stat              - turn on\off current statistics.

NOTE: To enable cheat codes type letters on the keyboard during the game.
В Survive режим кодов не работают.
In Survive mode codes do not work.