Full list of all 57 TimeShift achievements worth 1,250 gamerscore. It takes around 15-20 hours to unlock all of the achievements in the base game on Xbox 360.
The base game contains 47 achievements worth 1,000 Gamerscore, and there are 2 DLC packs containing 10 achievements worth 250 Gamerscore.
Completed Act 3 "The Forgotten" on Casual difficulty.
Completed Act 3 "The Forgotten" on Skilled difficulty.
Completed Act 3 "The Forgotten" on Elite difficulty.
Won 100 multiplayer games.
Played 100 multiplayer games.
Hosted and completed 10 games with custom presets.
Captured 25 flags in Capture the Flag.
Hosted a dedicated server for 48 hours.
Killed 50 opponents in Time Grenades or Time Fields.
Won a Ranked match on every map.
Scored 30 kills while trapped in a Time Grenade.
Won a Ranked match in every game mode.
Won a Ranked Meltdown Madness game by at least 30 seconds.
Won a Ranked King of Time game by at least 5 points.
Whacked 25 opponents with melee attacks in multiplayer games.
Won a Ranked Deathmatch game by at least 5 kills.
Won a Ranked 1v1 game without dying once.
Won a Ranked Capture the Flag game without the other team capturing your flag.
Won a Ranked match.
Score 30 headshots with any weapon in multiplayer games
Retrieved 50 flags in Capture the Flag.
Went on a Reaper Spree.
Scored a Fury Kill.
Completed Act 6 "Alpha District Revisited" on Casual difficulty.
Completed Act 6 "Alpha District Revisited" on Skilled difficulty.
Completed Act 6 "Alpha District Revisited" on Elite difficulty.
Completed Act 5 "Airborne" on Casual difficulty.
Completed Act 5 "Airborne" on Skilled difficulty.
Completed Act 5 "Airborne" on Elite difficulty.
Completed Act 4 "Munitions Plant" on Casual difficulty.
Completed Act 4 "Munitions Plant" on Elite difficulty.
Completed Act 4 "Munitions Plant" on Skilled difficulty.
Killed 3 enemies at one time during Time Stop.
Tagged 15 enemies with Clutch Grenades.
Completed a level without dying on Casual difficulty.
Completed a level without dying on Skilled difficulty.
Completed a level without dying on Elite difficulty.
Completed Act 2 "The Stronghold" on Skilled difficulty.
Completed Act 2 "The Stronghold" on Casual difficulty.
Completed Act 2 "The Stronghold" on Elite difficulty.
Nabbed 10 weapons out of enemy hands using Time Powers.
Yanked off a stuck Clutch Grenade using Time Powers.
Completed Act 1 "Alpha District" on Skilled difficulty.
Completed Act 1 "Alpha District" on Casual difficulty.
Completed Act 1 "Alpha District" on Elite difficulty.
Walked on water using Time Powers.
Shot 5 weapons out of enemy hands.
Reverse clutch grenade from yourself 3 times in multiplayer.
Throw reverse grenade in CTF mode on enemy who carries your flag
Get 25 kills using land or laser mines.
Kill king in King of Time mode 25 times.
Win ranked match on every map in DLC 1.
Use rocket launcher 11 times to kill opponent while he is in the air. Low gravity mode will help.
Use time powers or time fields to prevent falling damage 3 times.
Throw reverse grenade when opponent is shooting you. Kill your opponent 3 times with his own shots.
Use your time shield to escape from any time field 25 times.
Win ranked match on every map in DLC 2.