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