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