Blackout
Blackout is an indie puzzle game inspired by old-school handheld games from the 80s and 90s. 5x5 grid only able to be solved by a 3x3 cross/plus.
Last Updated: 9/25/2026
| Publisher | OB3 |
| Steam App Id | 5267360 |
About Blackout
Blackout is a game. It was released on the Steam Store by OB3.
It can be played and ran on both Windows and Mac systems. At the moment, there is no confirmed information regarding Steam Deck support for this game.
According to Steam’s category system, Blackout supports the following features:
- Playable without Timed Input
Media & Sceenshots
Watch the featured video for Blackout and see the latest screenshots from the Steam Store.

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Features & Categories
Frequently Asked Questions
Soures & References
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Blackout data has been sourced from:
- Valve Corporation. (2026, September 25). Blackout on Steam. Steam Store.
- Valve Corporation. (2026, September 25). Blackout. Steam Community Hub.