Here is the full list of all 16 X-Men: The Official Game achievements worth 1,000 gamerscore.
Congratulations!! Nightcrawler has been accepted by the Xavier Institute for Higher Learning.
Congratulations!! Iceman has been accepted by the Xavier Institute for Higher Learning.
Congratulations!! Wolverine has been accepted by the Xavier Institute for Higher Learning.
This Achievement is awarded when Iceman has been upgraded with all available mutations.
This Achievement is awarded when Nightcrawler has been upgraded with all available mutations.
This Achievement is awarded when Wolverine has been upgraded with all available mutations.
This Achievement is awarded to those who collect all Sentinel Tech as Iceman.
This Achievement is awarded to those who collect all Sentinel Tech as Nightcrawler.
This Achievement is awarded to those who collect all Sentinel Tech as Wolverine.
This Achievement is awarded to those who collect all Weapon X Files as Iceman.
This Achievement is awarded to those who collect all Weapon X Files as Nightcrawler.
This Achievement is awarded to those who collect all Weapon X Files as Wolverine.
This Danger Room Challenge for Iceman is unlocked by completing Act 1 of the game.
This Danger Room Challenge for Nightcrawler is unlocked by completing Act 2 of the game.
This Danger Room Challenge for Wolverine is unlocked by completing Act 3 of the game.
This Achievement is awarded when the player profile accumulates 950 achievement score.