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