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