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