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