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