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