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