Successfully complete the indicated task to unlock the corresponding achievement. To view your achievements and stats in Steam, select "Community", "My profile", "View all my games", then the game and view stats.

Achievement	How to unlock
A Vast Tunnel	Escape Kraven Manor.
Architect	Obtain the secret gear.
Better Play It Safe	Beat the game in Regular Mode.
Bibliophilia	Survive the library encounter.
Escapist	Never get hurt by an enemy.
Handyman	Obtain the secret key.
Kraven Metalworks Employee	Obtain the secret lever.
Lysergic Acid Diethylamide	Beat the game in Nightmare Mode.
Nusquam Tibi Relinquam	Defeat the final boss.
Resolute	Beat the game without dying.
Ritual Maleficum	Survive the white room.
Secrets of Lord Kraven	Examine your first object.