Cassiculus

This terrifying first-person horror experience immerses the player into a world of isolation, fear, paranoia and claustrophobia as you make your way through the Oberon Cave. Throughout the game, you will…

25 June 2024

Simulator Horror

Cassiculus is a simulator, released 25 June 2024 on PC (Microsoft Windows).

Verified 8 Oct 2026 Sources: IGDB , Steam

What Cassiculus is

Cassiculus was released in 2024. It is available on PC (Microsoft Windows) only. It runs on Unity.

The premise, in the publisher's words

This terrifying first-person horror experience immerses the player into a world of isolation, fear, paranoia and claustrophobia as you make your way through the Oberon Cave. Throughout the game, you will experience atmospheric environments, disturbing audio and horrifying visuals.

Description from the publisher · source

How it plays

It is played from a first person perspective. Its themes are horror. It is a single-player game with no multiplayer component.

What it launched against

Cassiculus launched on 25 June 2024, within three weeks of Elden Ring: Shadow of the Erdtree, Still Wakes the Deep, Shin Megami Tensei V: Vengeance and Once Human.

Released around the same time: Elden Ring: Shadow of the Erdtree, Still Wakes the Deep, Shin Megami Tensei V: Vengeance, Once Human.