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