Press [F9] to display the console window. Type

 bangunsnotgames

 to enable cheat mode and invincibility. Then, enter one of the following
 codes at the console window to activate the corresponding cheat function:

 darci            Play as Officer D'arci
 roper            Play as Roper
 win              Level completed
 lose             Level lost
 boo              Explosion cluster
 cctv             Fluorescent green graphics
 world            Music select
 ambient [red]    Set ambient light red
 ambient [green]  Set ambient light green
 ambient [blue]   Set ambient light blue
 fade [number]    Set fog fade level
 crinkles         Toggle Crinkles
 telw [number]    Advance to indicated game point
 tels             Save a waypoint on map
 telr             Return to saved waypoint

 Cheat Codes (in-game)

 Enable cheat mode, then resume the game. Press one of the following keys
 while playing a game to activate the corresponding cheat function:

 [L]              Create light
 [Keypad 5]       Execute game effect
 [F3]             Exit game
 [R]              Explosive barrel
 [G]              Move forward 10 feet or onto ledge
 [Keypad 3]       Orange fog
 [,]              Pause
 [W]              Rain ripples
 [E]              Random vehicle
 [Keypad 7]       Select game effect
 [;]              Slow motion
 [>]              Smoke trails
 [F12]            Spawn weapons
 [/]              Stealth debug mode
 [F11]            Toggle clouds
 [[]              Toggle enemy view
 []]              Toggle enemy view
 [P]              View car paths
 [Q]              View coordinates grid
 [J]              View game statistics
 [Ctrl]           View pedestrian walking areas

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 During the game, press [Esc][Enter][Up]. A Save Game screen appears and you
 will see that it has the comment, that you have beaten the level.