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