Here is the full list of all 76 Serious Sam Fusion 2017 (beta) achievements.
Complete TFE, TSE and BFE campaigns in co-op on unmodified serious difficulty.
Trigger Ugh-Zan's regeneration on The Great Pyramid.
Complete a level in co-op with blood option set to hippy.
Earn a gold medal on any level in cooperative Survival.
Complete the Jewel of The Nile single player campaign.
Finish the Legend of the Beast campaign in single player or cooperative.
Kill at least 30 enemies with a single Serious Bomb.
Frag a total of 100 players.
Win a versus match.
Complete TFE, TSE and BFE single player campaigns in the estimated time on each level.
Complete the Medieval episode in single player or cooperative.
Complete TFE, TSE and BFE single player campaigns.
Complete TFE, TSE and BFE single player campaigns on unmodified serious difficulty.
Break 10 Soldier necks.
Remove 10 Gnaar eyes.
Tear off 10 Kleer heads.
Kill at least 3 enemies in one spinning Sledgehammer attack.
Kill 3 enemies in one sprint with the Sledgehammer.
Rip out 10 Rocketeer hearts.
Rip Scrapjack's head off.
Perform all possible finishing moves in the game.
Kill the kicked enemy while it is still in the air.
Use the Mutilator to surf after a Werebull.
Awake the Guardian of Time.
Start the car.
Smash 20 Kleers with the Sledgehammer.
Power up the Timelock.
Kill a Witch-Bride of Achriman.
Destroy an enemy cannon with your own cannon.
Kill 10 enemies with the Chainsaw without releasing the trigger.
Complete the Persia episode in single player or cooperative.
Kill 100 Kleers with the Cannon.
Pierce at least 10 enemies with a single cannonball.
Break 5 Arachnoid necks.
Kill 5 Cave Demons while they're in air.
Blow a Major Biomechanoid into pieces.
Earn a gold medal on any level in single player Survival.
Solve the riddle of the Sphynx.
Defeat the spaceship.
Secure the bird.
Kill an enemy with a gib torn from another enemy.
Rip 10 Juvenile spiders apart.
Burn 100 enemies to death.
Kill 100 enemies with Serious Damage active.
Complete the South America episode in single player or cooperative.
Squash 10 Hatchling spiders.
Rescue professor Stein. So to say.
Decipher an Egyptian text.
Find Sam's classic outfit.
Kill 50 Cucurbitos.
Kill 20 Harpies with the Sniper rifle.
Find a secret under water.
Leap into the unknown on Luxor.
Kill at least 5 headless kamikazes in one explosion.
Kill 100 Enemies with the Cannon.
Defeat the Lava Golem boss on Alley of the Sphinxes.
Complete the Metropolis level in single player on unmodified serious difficulty.
Kill 300 Enemies with the Minigun.
Gib 20 enemies from close range with a shotgun.
Complete any level in single player.
Pull out a single Colt and immediately deliver a killing shot.
Kill 200 enemies with the Laser gun.
Find at least 30 secrets in single player.
Obtain the Water Element.
Kill 200 Enemies with the Thompson Submachine gun.
Kill 20 enemies with the Minigun without releasing the trigger.
Kill 150 Enemies with the Rocket Launcher.
Kill an enemy using the Mutilator.
Obtain the Fire Element.
Kill 250 Enemies with a shotgun.
Obtain the Earth Element.
Obtain the Air Element.
Complete any level in co-op.