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