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