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