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