Here is the full list of all 59 SCP: Containment Breach Remastered achievements.
Encountered the Zombie Plague.
Encountered the Bad Composition.
Encountered the Possessive Mask.
Found the cure.
Recontained SCP-055.
Encountered the Old AI.
Encountered the Shy Guy.
Encountered the Old Man.
Acquired the "Telekill Alloy".
Encountered the Shadow Lamps.
Obtained a liquid from the Coffee Machine.
Encountered the Peripheral Jumper.
Smoked some good ass shit.
Acquired a SCP-427.
Swallowed a sample of Panacea.
Encountered an Old Cowbell.
Found a Jaded Ring.
Encountered the Butt Ghost.
Found a blue key.
Encountered an Old Coffin.
Encoundtered the Clockworks Machine.
Encountered the Creatures with Many Voices.
Encountered the Sleep Killers.
Encountered a Recursive Room.
Read the Encyclopedia of Common Diseases.
Encountered the Builder Bear.
Encountered the Atrocity Skull.
Encountered the Hole In The Wall.
Wore a GP-5 Gas Mask.
Didn't use console commands.
Entered Doctor Harp's office.
Beat the game on Keter difficulty.
Entered Doctor Maynard's office.
Acquired an Omni-level keycard.
Escaped the Old Man's Pocket Dimension.
Acquired the S-NAV Navigator Ultimate.
Lured the Old Man through a Tesla Gate.
Found the Skeleton Key.
Found a room contaminated with red ice.
Encountered the Eric's toy.
Found the Infinite Canteen.
Wore a pair of stereoscopic specs.
Get into the sticky situation.
Found an instance of SCP-207.
Found the Old Glasses.
Found the Plasticine Ball.
Found the Obsidian Absorber.
Got close to the Contagious Crystal.
Found the SCP-447 and refine in SCP-914.
Encountered SCP-457.
Encountered the Black Statue.
Donate your blood for the sake of salvation.
Found a Bubble Gum.
Found an anomalous duck.
Entered Doctor Gears' office.
Encountered the MTF's Groups.
Entered the 05 Council Office.
Yes. No. Yes. No.
Unlock the Thaumiel difficulty.