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