Quake II: The Reckoning [cheats]

Press the ~ key to bring down the console. And type the following commands for the following effects.
God - For God Mode
Give All - For All guns and ammo
Noclip - for walk through walls.

Weapons and ammunition:
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Press ~ to display the console, then type one of the following codes to activate the corresponding weapon.

give ionripper
give phalanx,
give trap
give mag slug
give dualfire damage

Level select:
Press ~ to display the console, then type map using the following information.

Name / Level code
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The Swamps xswamp
Sewers xsewer1
Waste Sieve xsewer2
Outer Compound xcompnd1
Inner Compound xcompnd2
Core Reactor xreactor
The Warehouse xware
Intelligence center xintell
Industrial Facility industry
Outer Base outbase
Water Treatment Plant w_treat
Badlands badlands
Refinery refinery
Lower Hangars xhangar1
The Hangars xhangar2
Strogg Freighter xship
Cargo Bay xmoon1