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