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