Activate the following cheats by entering the corresponding codes:

CHEAT FUNCTION - CHEAT CODE
Invincibility - rsgod
Full health - rsdoc
Full ammo, all guns, max boosters - rsgoodies
All keys - rskeys
Full booster fuel - rsfuel
Shield on - rsshield
Level skip - rsend
Level select - rslev<level number>
Teleport to new location - rsfly<xxyy coordinates>
No gravity - rsgrav
Kill all monsters - rsnuke
Extra life - rslife
No collision - rsnowalls
No health and lives - rsdie