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 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.
Complete the Jewel of The Nile single player campaign.
Blow a Major Biomechanoid into pieces.
Decipher an Egyptian text.
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 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.
Rip 10 Juvenile spiders apart.
Break 10 Soldier necks.
Earn a gold medal on any level in cooperative Survival.
Kill the kicked enemy while it is still in the air.
Kill at least 3 enemies in one spinning Sledgehammer attack.
Find Sam's classic outfit.
Kill 3 enemies in one sprint with the Sledgehammer.
Smash 20 Kleers with the Sledgehammer.
Kill an enemy with a gib torn from another enemy.
Rip out 10 Rocketeer hearts.
Remove 10 Gnaar eyes.
Earn a gold medal on any level in single player Survival.
Win a versus match.
Frag a total of 100 players.
Complete the Persia episode in single player or cooperative.
Kill at least 30 enemies with a single Serious Bomb.
Find at least 30 secrets in single player.
Find a secret under water.
Leap into the unknown on Luxor.
Kill at least 5 headless kamikazes in one explosion.
Complete the Metropolis level in single player on unmodified serious difficulty.
Defeat the spaceship.
Squash 10 Hatchling spiders.
Tear off 10 Kleer heads.
Break 5 Arachnoid necks.
Secure the bird.
Complete the Medieval episode in single player or cooperative.
Destroy an enemy cannon with your own cannon.
Kill 100 enemies with Serious Damage active.
Kill 50 Cucurbitos.
Kill 300 Enemies with the Minigun.
Complete the South America episode in single player or cooperative.
Kill 100 Kleers with the Cannon.
Kill 10 enemies with the Chainsaw without releasing the trigger.
Burn 100 enemies to death.
Kill 20 Harpies with the Sniper rifle.
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.
Trigger Ugh-Zan's regeneration on The Great Pyramid.
Kill 100 Enemies with the Cannon.
Pierce at least 10 enemies with a single cannonball.
Kill 20 enemies with the Minigun without releasing the trigger.
Defeat the Lava Golem boss on Alley of the Sphinxes.
Kill 200 Enemies with the Thompson Submachine gun.
Kill 150 Enemies with the Rocket Launcher.
Kill 200 enemies with the Laser gun.
Complete a level in co-op with blood option set to hippy.
Obtain the Water Element.
Obtain the Fire Element.
Kill 250 Enemies with a shotgun.
Obtain the Earth Element.
Obtain the Air Element.
Rescue professor Stein. So to say.
Complete any level in co-op.