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