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