Retro Game Tips for Marathon: Durandal (Xbox 360)
Achievement: Unlock 11th Clan of the S'pht (27).
When:
During the game.
How:
Venture into the Citadel and learn the secrets of the S'pht.
Submitted By:
Achievement: Unlock I'm Invincible! (10).
When:
During the game.
How:
Kill an invincible opponent with the Fusion Pistol in a Multiplayer game.
Submitted By:
Achievement: Unlock Bigger Guns Nearby (14).
When:
During the game.
How:
Find the Assault Rifle in a Single player or Co-Op Game.
Submitted By:
Achievement: Unlock Pfhor the Win (42).
When:
During the game.
How:
Complete the Single player game in any difficulty.
Submitted By:
Achievement: Unlock Level Select.
When:
At main menu.
How:
Hold down the COMMAND and OPTION buttons and click Begin New Game. Type level number and select. Works with all marathon maps. This works for Marathon 2 and Marathon Infinity as well.
Submitted By:
Achievement: Unlock Hats off to 819 (21).
Achievement: Unlock Make Someone Pay (10).
When:
During the game.
How:
Get 20 Rocket Launcher kills in a Multiplayer game.
Submitted By:
Achievement: Unlock Pfhor Score and Seven Years Ago (10).
Achievement: Unlock Bob-B-Q (14).