Discount heatmap
One square = one day (darker = bigger discount) · use the arrows to look further back
Buy now
The store links below are affiliate links — we may earn a small commission at no extra cost to you.
- $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
A typical sale here runs about 7 days at -80%, and with 10 sales in 24 months a new one comes around roughly every 75 days. Its lowest recorded price was $1.99 (-80%) on Nov 27, 2024, so today's price is 402% above the lowest we have tracked. It was last discounted 21 days ago, on Oct 7, 2026.
Portal™ is a new single player game from Valve. Set in the mysterious Aperture Science Laboratories, Portal has been called one of the most innovative new games on the horizon and will offer gamers hours of unique gameplay.
Screenshots
Community stats
Popular tags
From Wikipedia
Portal is a 2007 puzzle-platform game developed and published by Valve. It was originally released in a bundle, The Orange Box, for Windows, Xbox 360 and PlayStation 3, and has been ported to other systems, including Mac OS X, Linux, Android, and Nintendo Switch.
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 |
+2 more periods (see heatmap)
Look up another game
