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