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