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