Theta and Paralldox on Worldlines
Cheapest right now: $7.99 USD at Steam (20% off). 1 store compared, checked 10 Nov 2026.
A lovely logical puzzle game about the many-worlds interpretation and quantum mechanics.
Genres: Indie
Platforms: Windows
Steam Deck: Playable. Valve rates it as working on Steam Deck, but it may need some extra effort to set up or to use.
| Store | Price | Discount |
|---|---|---|
| Steam | $7.99 | 20% |
Is it a good deal right now?
$7.99 USD at Steam is 20% off. We have no record low for Theta and Paralldox on Worldlines to compare it with. The regular price is $9.99, so $7.99 saves $2.00. The Steam discount ends on 16 November 2026 at 18:00 UTC.
Price history
There is no chart yet: we record a game's cheapest price each day from the first time it is looked at here, and a chart needs two days of prices. It appears on this page once we have them.
Screenshots
System requirements
Windows
Minimum
- Requires a 64-bit processor and operating system
- OS: Windows 10/11
- Memory: 4 GB RAM
- Storage: 200 MB available space
Recommended
- Requires a 64-bit processor and operating system
As listed on the game's Steam page.
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