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 1 "Alpha District" on Casual difficulty.
Completed Act 3 "The Forgotten" on Casual difficulty.
Completed Act 5 "Airborne" on Casual difficulty.
Completed Act 1 "Alpha District" on Skilled difficulty.
Completed Act 4 "Munitions Plant" on Skilled difficulty.
Nabbed 10 weapons out of enemy hands using Time Powers.
Killed 3 enemies at one time during Time Stop.
Completed Act 2 "The Stronghold" on Skilled difficulty.
Completed Act 1 "Alpha District" on Elite difficulty.
Completed Act 2 "The Stronghold" on Elite difficulty.
Completed Act 4 "Munitions Plant" on Elite difficulty.
Tagged 15 enemies with Clutch Grenades.
Won 100 multiplayer games.
Played 100 multiplayer games.
Won a Ranked match on every map.
Hosted and completed 10 games with custom presets.
Scored 30 kills while trapped in a Time Grenade.
Scored a Fury Kill.
Killed 50 opponents in Time Grenades or Time Fields.
Completed Act 6 "Alpha District Revisited" on Elite difficulty.
Completed Act 6 "Alpha District Revisited" on Skilled difficulty.
Completed Act 5 "Airborne" on Skilled difficulty.
Completed Act 5 "Airborne" on Elite difficulty.
Completed Act 3 "The Forgotten" on Skilled difficulty.
Completed Act 3 "The Forgotten" on Elite difficulty.
Whacked 25 opponents with melee attacks in multiplayer games.
Won a Ranked Meltdown Madness game by at least 30 seconds.
Won a Ranked match in every game mode.
Score 30 headshots with any weapon in multiplayer games
Captured 25 flags in Capture the Flag.
Won a Ranked King of Time game by at least 5 points.
Won a Ranked Capture the Flag game without the other team capturing your flag.
Went on a Reaper Spree.
Won a Ranked Deathmatch game by at least 5 kills.
Completed a level without dying on Elite difficulty.
Completed a level without dying on Skilled difficulty.
Completed Act 6 "Alpha District Revisited" on Casual difficulty.
Won a Ranked match.
Won a Ranked 1v1 game without dying once.
Completed Act 4 "Munitions Plant" on Casual difficulty.
Completed Act 2 "The Stronghold" on Casual difficulty.
Shot 5 weapons out of enemy hands.
Completed a level without dying on Casual difficulty.
Yanked off a stuck Clutch Grenade using Time Powers.
Walked on water using Time Powers.
Retrieve 50 flags in Capture the Flag
Host a dedicated server for 48 hours total then quit
Got 25 kills using land or laser mines.
Killed king 25 times.
Won ranked matches on every DLC 1 map.
Reversed your flag from enemy in multiplayer.
Reversed clutch grenade from yourself 3 times in multiplayer.
Killed flying opponent with rocket launcher 11 times.
Won ranked matches on every DLC 2 map.
Killed opponent using reverse grenade 3 times.
Used time shield to escape time field 25 times.
Used time powers or time fields to prevent falling damage 3 times.