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