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