Complete the Tutorial.

Pass the Bridge without Stopping.

Complete Act 1.

Pass the Tunnel without Stopping.

Pass the Entrance without Blasting.

Pass the Headquarters without Missing.

Pass the Secret Room without Shielding.

Complete Act 2.

Pass the Cryostasis without Stopping.

Pass the Nursery without Blasting.

Pass the Pethouse without Missing.

Complete your Training.

Defeat the Suit without Shielding.

Complete your Training without using Assistance.

Complete your Training in under an hour without using Assistance.

Complete your Training without Dying or using Assistance.

Die during the Tutorial.

Get the Agent to Explode during the Tunnel. Twice.

Kill the Agent at the Hall.

Teaching Mammals to Walk through Doors since 1902.

Complete All The Things, Including Achievements, Including This One, Error, Err.. (clack)

Complete your Training in under an hour without Dying or using Assistance. (from achies)