Ad Infinitum
Cheapest right now: $2.49 USD at Steam (90% off). 10 stores compared, checked 1 Nov 2026.
When reality is a nightmare, nightmares become real. In this psychological horror game, you fight the terrifying creatures invading your mind. Can you save your sanity?
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 | $2.49 | 90% |
| GOG | $3.49 | 90% |
| Epic Games Store | $3.90 | 90% |
| GameBillet | $3.91 | 90% |
| Fanatical | $29.27 | 25% |
| Humble Store | $34.99 | — |
| Gamesplanet | $35.18 | 10% |
| GamersGate | $39.09 | — |
| GreenManGaming | $39.09 | — |
| IndieGala | $39.09 | — |
Is it a good deal right now?
$2.49 USD at Steam is 90% off, a deep discount. We have no record low for Ad Infinitum to compare it with. The regular price is $24.99, so $2.49 saves $22.50. The next cheapest store is GOG at $3.49, $1.00 more. The Steam discount ends on 2 November 2026 at 18:00 UTC. The Epic Games Store sale ends on 2 November 2026 at 16:00 UTC.
Price history
Lowest since we started tracking it on 22 Oct: $3.88 USD, on 30 Oct.
Screenshots
System requirements
Windows
Minimum
- Requires a 64-bit processor and operating system
- OS: Windows 10
- Processor: Intel Core i5-8400 or AMD Ryzen 5 1600X
- Memory: 8 GB RAM
- Graphics: NVIDIA GeForce GTX 750 Ti, 2 GB or AMD Radeon RX 7850, 2 GB or Intel Arc A380, 6 GB
- DirectX: Version 11
- Storage: 21 GB available space
- Additional Notes: To run at Low 720p @ 30 FPS
Recommended
- Requires a 64-bit processor and operating system
- OS: Windows 10
- Processor: Intel Core i5-10400 or AMD Ryzen 5 3600
- Memory: 12 GB RAM
- Graphics: NVIDIA GeForce RTX 3060, 12 GB or AMD Radeon RX 6650 XT, 8 GB
- DirectX: Version 11
- Storage: 21 GB available space
As listed on the game's Steam page.
Steam wishlist sale checker
Paste your Steam profile to see which games on your wishlist are on sale right now, and the cheapest store for each, then the rest of the list at its regular price, ready to save. Your wishlist needs to be public.
Free to keep
Games to claim and keep right now, and the ones that are free next.
Free to keep once claimed. Listings from the Epic Games Store and GamerPower.
Most played
The Steam games with the most players right now. Open one to compare its price across stores.
New releases
Popular new games on Steam. Open one to compare its price across stores.
Saved games
Kept in this browser. Open one to see today's prices, or tap its heart to remove it.
See which games on your Steam wishlist are on sale