Here is the full list of all 40 Fuse achievements worth 1,000 gamerscore. It takes around 20-25 hours to unlock all of the achievements on Xbox 360.
Fully upgrade 16 perks in the Team Perks menu.
Get 5 Stars on all Echelon maps with 2+ players.
Get 5 Stars on a single Echelon Map with 2+ players.
Complete 12 waves on a single map with 2+ players.
Stealth takedown 4 enemies at once in a four player co-op game.
Upgrade Dalton's entire skill tree.
Get Dalton to max level.
Upgrade Izzy's entire skill tree.
Get Izzy to max level.
Unlock 16 perks.
Complete 6 waves on a single map with 2+ players.
Upgrade Jacob's entire skill tree.
Get Jacob to max level.
Complete all missions on Lethal.
Collect every piece of Intel in the game.
Spend 100,000 Fuse Credits.
Kill 2500 enemies in Campaign and Echelon.
Upgrade Naya's entire skill tree.
Get Naya to max level.
Fully upgrade 1 perk in the Team Perks menu.
Destroy all of the trucks at the bunker defense.
Crystallize and kill 3 enemies at once.
Pin 3 enemies within a 10 second period.
Complete Grigori Station.
Complete all missions on normal difficulty.
Complete all missions co-op (2, 3, or 4p).
Eviscerate 3 enemies at once using the MagShield.
Save Luther from the Order of Grigori.
Activate Fusion for the first time.
Complete Raven Facility.
Kill 3 Leadfires, Leadfoots, or Leadshots using only your sidearm.
Defeat Meilin Mao.
Defeat Ivan Sovlenko.
Perform a stealth takedown on the Raven soldier at the urinal.
Purchase a single Team Perk.
Complete Hyperion Base.
Complete a single mission in co-op (2, 3 or 4p).
Create a chain reaction that takes out 3 enemies at once.
Perform a stealth takedown on 2 enemies at once in a co-op game.
Retrieve your Xenotech Weapons.