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