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