Somnium Tenebris

Somnium Tenebris is an investigative horror game for five players, set in a Lovecraftian world. You explore the ocean depths by submarine with your team, searching for evidence to identify a megalithic creature while trying not to attract too much attention.

Investigate the depths

Your submarine has advanced technology for detecting evidence in the dark abyss. Each dive generates a new landscape, layout and set of challenges. Before an investigation, you choose a difficulty that greatly affects map generation and creature behavior.

There are seven possible evidence types, ranging from physical clues such as whale remains to electromagnetic signals. You may encounter any of 15 creatures inspired by fictional stories of the deep sea, and other dangers lurk below besides the megalithic creatures.

Play together

You can join an open game or create a private lobby with up to four friends. The team must reach the surface alive, though survival together is not guaranteed.

Customize your appearance

Successful investigations earn currency that you can spend on customizing your look.