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