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