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