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