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