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