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