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