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