Accede a la consola y teclea uno de estos trucos en la misma:

dopefish
Invencible, armas y dinero

ghost
Atravesar paredes

god
Invencible

allammo
Te da 999 de munición

fly
Volar

walk
Modo normal

sptravel <nivel>
Te cambia de nivel (ver tabla debajo)

Niveles en modo un jugador :

SP0M0-TheLab.dvs
SP0M0-TheLab2.dvs
SP0M1-SomaSunset.dvs
SP0M2-Chinatown.dvs
SP0M3-TopOTheTower.dvs
SP0M4-TheRock.dvs
SP0M5-Embarcadero.dvs
SP1M1-UrbiaSouth.dvs
SP1M2-UrbiaAsylum.dvs
SP1M3-UrbiaNorth.dvs
SP1M4-Docks.dvs
SP2M0.dvs
SP2M1-MarketMadness.dvs
SP2M2-CardboardCounty.dvs
SP2M3-TheAquifers.dvs
SP2M4-IchthyaSouth.dvs
SP2M5-IchthyaNorth.dvs
SP3M1-Chozo.dvs
SP3M2-RiversOfWaste.dvs
SP3M3-Zangai.dvs
SP3M4-Transit.dvs
SP3M5-Bukko.dvs
SP3M6-BukkoRoof.dvs

Secuencias:

SP-Intro.dvs
SP-Outro.dvs