Theta and Paralldox on Worldlines
A lovely logical puzzle game about the many-worlds interpretation and quantum mechanics.
Last Updated: 1/10/2026
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| Steam App Id | 3219580 |
About Theta and Paralldox on Worldlines
Theta and Paralldox on Worldlines is an Indie game developed by Delta Theta, and XXela. It was released on the Steam Store by XXela, and Delta Theta.
It can be played and ran on Windows systems. At the moment, there is no confirmed information regarding Steam Deck support for this game.
According to Steam’s category system, Theta and Paralldox on Worldlines supports the following features:
- Steam Achievements
- Single-player
- Family Sharing
Media & Sceenshots
Watch the featured video for Theta and Paralldox on Worldlines and see the latest screenshots from the Steam Store.

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Soures & References
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Theta and Paralldox on Worldlines data has been sourced from:
- Valve Corporation. (2026, January 10). Theta and Paralldox on Worldlines on Steam. Steam Store.
- Valve Corporation. (2026, January 10). Theta and Paralldox on Worldlines. Steam Community Hub.
- Delta Theta. (2024, September 18). Theta and Paralldox on Worldlines. Theta and Paralldox on Worldlines.