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