Ad Infinitum
Cheapest right now: $1.99 USD at Steam (90% off). 10 stores compared, checked 21 Oct 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 | $1.99 | 90% |
| GOG | $3.49 | 90% |
| Epic Games Store | $3.92 | 90% |
| IndieGala | $3.92 | 90% |
| Fanatical | $29.43 | 25% |
| Humble Store | $34.99 | — |
| Gamesplanet | $35.38 | 10% |
| GameBillet | $36.95 | 6% |
| GamersGate | $39.31 | — |
| GreenManGaming | $39.31 | — |
Is it a good deal right now?
$1.99 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 $19.99, so $1.99 saves $18.00. The next cheapest store is GOG at $3.49, $1.50 more. The Steam discount ends on 25 October 2026 at 17:00 UTC. The Epic Games Store sale ends on 2 November 2026 at 16:00 UTC.
Price history
Lowest since we started tracking it on 12 Oct: $3.29 USD, on 15 Oct.
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.
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