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