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