Here is the full list of all 35 SCP: Secret Laboratory achievements.
Play the Halloween version of the game.
Cure 10 people in a single game.
Die while entering a rage as SCP-096.
As Class-D, kill a Scientist holding a keycard.
Broadcast a 'helpful' message via the Intercom.
Kill 5 enemies in less than 30 seconds.
Successfully re-contain SCP-106
Disarm a MTF operative
Kill 50 D-Class as a Scientist.
Cancel the Alpha Warhead detonation within the last 15 seconds of the countdown.
Kill an SCP as a Scientist.
Kill an SCP with the Micro HID.
Escape the facility in 3 minutes or under.
Escape while under the effects of SCP-207.
Use SCP-500 when you're about to die.
Use adrenaline to survive a hit that would otherwise kill you.
As an SCP, kill someone who's charging or firing the MicroHID.
Try to recharge the MicroHID.
Liberate two or more SCP objects from the facility while escaping as a Class-D.
Kill yourself with a grenade.
Survive a successful Alpha Warhead Detonation.
Escape as D-Class personnel.
As a Scientist, successfully upgrade your keycard alongside any amount of Class-D.
Die from a fall.
Die within the first minute of the game.
Die from a Tesla Gate burst.
Escape as a Scientist.
Pick up an O5-Keycard.
Find any gun as a Class-D.
Die inside the pocket dimension.
Successfully escape from the Pocket Dimension.
Respawn as Nine-Tailed Fox.
Let SCP-173 snap your neck.
Respawn as Chaos Insurgency.
Play the Christmas version of the game.