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