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