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