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