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 a Coin-op cooperative game on normal or higher difficulty.
Win 10 deathmatch games.
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.
Earn a gold medal in Survival.
Win one round in Last Man Standing game with at least 4 players.
Make at least 3 kills in one Instant Kill match.
Win a versus match.
Win one My Burden match with at least 3 players.
Pick up at least 10 extra life items.
Pick up 100 gold coins.
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.
Earn a medal in Survival.
Complete a Beast Hunt match
Complete the campaign in cooperative with at least 2 players.
Frag 20 players with the Sledgehammer.
Decapitate a Khnum.
Score a total of 10 points in CTF matches.
Complete a deathmatch game with at least 1 frag.
Complete the single player campaign.
Awake the Guardian of Time.
Blow a Major Biomechanoid into pieces.
Complete any level in cooperative with at least 2 players.
Find all secrets in single player.
Decipher all Egyptian texts.
Find the Vista secret.
Power up the Timelock.
Pierce 5 enemies with one Devastator round.
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.
Kill an enemy using the Mutilator.
Solve the riddle of the Sphynx.
Break 5 Arachnoid necks.
Secure the bird.
Find at least 50 secrets in single player.
Smash 20 Kleers with the Sledgehammer.
Kill the kicked enemy while it is still in the air.
Kill 3 enemies in one sprint with the Sledgehammer.
Kill at least 5 headless kamikazes in one explosion.
Tear off 10 Kleer heads.
Kill at least 3 enemies in one spinning Sledgehammer attack.
Gib 20 enemies from close range with a shotgun.
Break 10 Soldier necks.
Rip 10 Juvenile spiders apart.
Rescue professor Stein. So to say.
Squash 10 Hatchling spiders.
Complete any level in single player.
Decipher an Egyptian text.
Rip out 10 Rocketeer hearts.
Kill an enemy with a gib torn from another enemy.
Find Sam's classic outfit
Remove 10 Gnaar eyes.
Complete the Jewel of The Nile single player campaign.