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