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