Descent Freespace: The Great War
During a mission, type www.volition-inc.com to enable the following codes.  You must hold down the tilde (~) key the key just left of the [1] key while pressing the keys below.

[SHIFT] [c] - Toggles the availablitly of countermeasures for all ships [k] - Kill target [ALT] [SHIFT] [k] - Applies 10% damage to target [SHIFT] [k] - Destroy targeted sub- on target [ALT] [k] - Applies 10% damage to self [i] - Toggles invulnerability [SHIFT] [i] - Toggles invulnerability on target [o] - Toggles Descent style physics [w] - Infinite weapons for player [SHIFT] [w] - Infinite weapons for all ships including player [c] - Message enemies [g] - Mark all primary goals complete [SHIFT] [g] - Mark all secondary goals complete [ALT] [g] - Mark all bonus goals complete [9] - Scroll forward through all seconary weapons [SHIFT] [9] - Scroll backward through all secondary weapons [0] - Scroll forward through all primary weapons [SHIFT] [0] - Scroll backward through all primary weapons [r] - Issue rearm request for target or for player if no target