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One square = one day (darker = bigger discount) · use the arrows to look further back
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- $9.99BuySteamCheapest
Also on Xbox (beta)
BETAExperimental — price lookup via an unofficial Microsoft Store API. The edition matched may be wrong, especially for games with many special editions.
- Xbox$19.99Buy
Price analysis
Over the past 24 months it was discounted 11 times — roughly one sale every 67 days. The most common cut was -80%, and a typical sale ran 7 days. Its lowest recorded price was $0.99 (-90%) on Feb 10, 2025, so today's price is 909% above the lowest we have tracked. It was last discounted 21 days ago, on Oct 7, 2026.
The "Perpetual Testing Initiative" has been expanded to allow you to design co-op puzzles for you and your friends!
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From Wikipedia
Portal 2 is a 2011 first person puzzle-platform game developed by Valve for Windows, macOS, Linux, PlayStation 3, and Xbox 360. The retail versions and PlayStation 3 and Xbox 360 versions were distributed by Electronic Arts. A port for the Nintendo Switch was released as part of the Portal: Companion Collection in June 2022.
Read more on Wikipedia →Recent discounts
| Period | Days | Max off | Low | MSRP |
|---|---|---|---|---|
| 2026. 10/1 ~ 10/7 | 7d | -80% | $1.99 | $9.99 |
| 2026. 6/25 ~ 7/8 | 14d | -80% | $1.99 | $9.99 |
| 2026. 3/19 ~ 3/25 | 7d | -80% | $1.99 | $9.99 |
| 2025. 12/18 ~ 1/4 | 18d | -80% | $1.99 | $9.99 |
| 2025. 9/29 ~ 10/5 | 7d | -80% | $1.99 | $9.99 |
| 2025. 6/26 ~ 7/9 | 14d | -80% | $1.99 | $9.99 |
| 2025. 5/29 ~ 6/4 | 7d | -80% | $1.99 | $9.99 |
| 2025. 3/13 ~ 3/19 | 7d | -80% | $1.99 | $9.99 |
+3 more periods (see heatmap)
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