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