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