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