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