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