While you are playing this game, press Back to display the objectives window, then quickly push Down, Up, Down(2), Up, Right, Left, Right, Y, X(2), A. Your health will still decrease, but will never reach zero.
While you are playing this game, press Back to display the objectives window, then quickly push Up(2), Down(2), Left, Right, Left, Right, B, A.
Do not use cheat codes if you want to get the Quake 4 Achievements. Once a cheat code is active the game will disable all Achievements. If you have this problem on your saved game files, you must delete all of your current save files for the game and begin again.
While you are playing this game, press Back to display the objectives window, then quickly push B, A, X, Y, Left, Right, Left.
Accomplish the indicated task in Multiplayer mode to get the corresponding number of Gamerscore points:
| Top Ten | Get a top 10 rank on the Leaderboards. |
| The Defender | Get over 250 Defense awards in ranked matches (10 points). |
| Gold Flag | Get over 1,000 flag captures in ranked matches (25 points). |
| First Tour Of Duty | Play over 500 ranked matches (10 points). |
| Corporal | Get over 500 win points in ranked matches (10 points). |
| Combat Veteran | Play over 1,000 ranked matches (25 points). |
| Private | Get over 100 win points in ranked matches (5 points). |
| Viper Squad | Get over 100 frags in ranked matches (5 points). |
| Warthog Squad | Get over 500 frags in ranked matches (10 points). |
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| Silver Flag | Get over 500 flag captures in ranked matches (10 points). |
| The Golden Gauntlet | Get over 250 gauntlet frags (20 points). |
| Number One | Get number 1 on the Leaderboards (20 points). |
| Rhino Squad | Get over 10,000 frags in ranked matches (75 points). |
| Seasoned Warrior | Play over 1,0000 ranked matches (50 points). |
| Raven Squad | Get over 5,000 frags in ranked matches (50 points). |
| Guts But No Glory | Get over 100 Assists in ranked matches (10 points). |
| Lieutenant | Get over 1,000 win points in ranked matches (25 points). |
| Basic Training | Play over 100 ranked matches (5 points). |
| General | Get over 5,000 win points in ranked matches (50 points). |
| Perfect Be victorious in | Be victorious in a ranked match without being fragged (5 points). |
| Bronze Flag | Get over 100 flag captures in ranked matches (5 points). |
| The Best Impression | Get over 250 Impressive medals in ranked matches (10 points). |
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| Your Excellency | Get over 500 Excellents in ranked matches (10 points). |
Accomplish the indicated task in Single Player mode to get the corresponding number of Gamerscore points:
| Combat Veteran | Play over 1000 ranked matches (25 points). |
| Pineapple King | Successfully complete a level using only the grenade launcher (15 points). |
| Your Excellency | Get over 500 Excellents in ranked matches (10 points). |
| Corporal (Act 2) | Successfully complete Acts 1 and 2 with the rank of Corporal (25 points). |
| Corporal (Multiplayer) | Get over 500 win points in ranked matches (10 points). |
| The Golden Gauntlet | Get over 250 gauntlet frags (20 points). |
| The Dark Lord | Successfully complete a level using only the DMG (15 points). |
| Lieutenant (Overcomeed The Strogg ) | Successfully complete Acts 1 and 2 with the rank of Lieutenant (30 points). |
| Lieutenant (Multiplayer) | Get over 1000 win points in ranked matches (25 points). |
| Corporal (Overcomeed The Strogg ) | Successfully complete the game with the rank of Corporal (30 points). |
| Lieutenant (Act 1) | Successfully complete Act 1 with the rank of Lieutenant (25 points). |
| Galactic Order of Heroism | Fight alongside Raven Squad (20 points). |
| Basic Training | Play over 100 ranked matches (5 points). |
| Corporal (Act 1) | Successfully complete Act 1 with the rank of Corporal (25 points). |
| General (Act 2) | Successfully complete Acts 1 and 2 with the rank of General (25 points). |
| Perfect Be victorious in | Be victorious in a ranked match without being fragged (5 points). |
| Private (Overcomeed the Strogg) | Successfully complete the game with the rank of Private (25 points). |
| Tooth and Nail | Successfully complete a level using only the nailgun (15 points). |
| Bronze Flag | Get over 100 flag captures in ranked matches (5 points). |
| Private (Act 2) | Successfully complete Acts 1 and 2 with the rank of Private (20 points). |
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| Rhino Squad | Get over 10,000 frags in ranked matches (75 points). |
| Warthog Squad | Get over 500 frags in ranked matches (10 points). |
| General (Act 1) | Successfully complete Act 1 with the rank of General (25 points). |
| Enlightening | Successfully complete a level using only the lightning gun (15 points). |
| Viper Squad | Get over 100 frags in ranked matches (5 points). |
| Seasoned Warrior | Play over 10000 ranked matches (50 points). |
| Solar Star of Courage | Fight alongside Viper Squad (Hangar 2) (20 points). |
| Blaster Master | Successfully complete a level using only the blaster (15 points). |
| Gold Flag | Get over 1,000 flag captures in ranked matches (25 points). |
| Ballistics Expert | Successfully complete a level using only the rocket launcher (15 points). |
| First Tour of Duty | Play over 500 ranked matches (10 points). |
| Full Arsenal | Successfully complete a level where a shot with every weapon hits (20 points). |
| Silver Flag | Get over 500 flag captures in ranked matches. (10 points). |
| Private (Act 1) | Successfully complete Act 1 with the rank of Private (15 points). |
| The Best Impression | Get over 250 Impressive medals in ranked matches (10 points). |
| Blazing Buckshot | Successfully complete a level using only the shotgun (15 points). |
| The Sniper | Successfully complete a level using only the railgun (15 points). |
| Untouchable | Successfully complete a level without taking damage (10 points). |
| Private (Multiplayer) | Get over 100 win points in ranked matches (5 points). |
| The Machine | Successfully complete a level using only the machine gun (15 points). |
| Lieutenant (Act 2) | Successfully complete Acts 1 and 2 with the rank of Lieutenant (25 points). |
| Sky Marshall's Medal of Valor | Rescuing Pvt. Lanier of Eagle Squad (Waste) (20 points). |
| General (Multiplayer) | Get over 5,000 win points in ranked matches (50 points). |
| Top Ten | Get a top 10 rank on the Leaderboards (15 points). |
| Number One | Get number 1 on the All Game Types Leaderboards (20 points). |
| Raven Squad | Get over 5,000 frags in ranked matches (50 points). |
| Hyperactive | Successfully complete a level using only the hyperblaster (15 points). |
| General (Overcomeed The Strogg) | Successfully complete the game with the rank of General (30 points). |
| Guts But No Glory | Get over 100 Assists in ranked matches (10 points). |
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| The Defender | Get over 250 Defense awards in ranked matches (10 points). |
While you are playing this game, press Back to display the objectives window, then quickly push B, A, B, A, Up(2), Down, X.
