Full list of all 62 Serious Sam 3: BFE achievements. It takes around 60-80 hours to unlock all of the achievements in the base game on Windows.
The base game contains 61 achievements, and there is 1 DLC pack containing 1 achievements.
Win one round in Last Man Standing game with at least 4 players.
Complete any level in single player.
Find Sam's classic outfit
Pierce 5 enemies with one Devastator round.
Decapitate a Khnum.
Kill at least 3 enemies in one spinning Sledgehammer attack.
Make at least 3 kills in one Instant Kill match.
Score a total of 10 points in CTF matches.
Complete a Beast Hunt match
Win 10 deathmatch games.
Gib 20 enemies from close range with a shotgun.
Frag 20 players with the Sledgehammer.
Complete the campaign in cooperative with at least 2 players.
Awake the Guardian of Time.
Kill 20 enemies with the Minigun without releasing the trigger.
Use the Mutilator to surf after a Werebull.
Blow a Major Biomechanoid into pieces.
Power up the Timelock.
Complete a deathmatch game with at least 1 frag.
Win a versus match.
Kill a Witch-Bride of Achriman.
Decipher an Egyptian text.
Rip Scrapjack's head off.
Perform all possible finishing moves in the game.
Kill 5 Cave Demons while they're in air.
Kill an enemy using the Mutilator.
Solve the riddle of the Sphynx.
Break 5 Arachnoid necks.
Secure the bird.
Break 10 Soldier necks.
Tear off 10 Kleer heads.
Kill the kicked enemy while it is still in the air.
Kill an enemy with a gib torn from another enemy.
Remove 10 Gnaar eyes.
Squash 10 Hatchling spiders.
Rescue professor Stein. So to say.
Rip 10 Juvenile spiders apart.
Complete any level in cooperative with at least 2 players.
Rip out 10 Rocketeer hearts.
Kill 3 enemies in one sprint with the Sledgehammer.
Smash 20 Kleers with the Sledgehammer.
Kill at least 5 headless kamikazes in one explosion.
Complete the single player campaign.
Complete the game in single player on unmodified serious difficulty.
Complete the game in single player in half the estimated time on each level.
Complete the game in single player without manually reloading, aiming or sprinting.
Decipher all Egyptian texts.
Find at least 50 secrets in single player.
Find all secrets in single player.
Complete The Guardian of Time in single player on serious difficulty without dying or loading.
Find the Vista secret.
Complete a Coin-op cooperative game on normal or higher difficulty.
Pick up at least 10 extra life items.
Pick up 100 gold coins.
Win one My Burden match with at least 3 players.
Earn a medal in Survival.
Earn a gold medal in Survival.
Decorate the Christmas tree.
Decorate the Christmas tree on each level to unlock Rodolfo player model.
Complete the Jewel of The Nile single player campaign.