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