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