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