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