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