Mortality Decomp. Killers: Shadow of Abaddon

In the slums of Tokydon, ruthless crime-boss 'Abaddon' is caught in a gang war over selling immortality while he struggles with his own.

10 October 2025

Indie Shooter Action

Mortality Decomp. Killers: Shadow of Abaddon is an indie developed by Cuppakill, released 10 October 2025 on PC (Microsoft Windows).

Verified 10 Oct 2026 Sources: IGDB , Steam

What Mortality Decomp. Killers: Shadow of Abaddon is

Mortality Decomp. Killers: Shadow of Abaddon is an indie game developed by Cuppakill and released in 2025. It is available on PC (Microsoft Windows) only.

How it plays

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

What it launched against

Mortality Decomp. Killers: Shadow of Abaddon launched on 10 October 2025, within three weeks of Battlefield 6, Ghost of Yotei, Vampire: The Masquerade - Bloodlines 2 and ARC Raiders.

Released around the same time: Battlefield 6, Ghost of Yotei, Vampire: The Masquerade - Bloodlines 2, ARC Raiders.