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