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