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