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