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