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