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America - Front

America - Back

Review Scores





Other Versions

PC, OSX, All

Release Dates

10/10/07 Valve
(Add Date)
10/18/07 Valve

Community Stats

Owners: 2
Favorite: 0
Tracked: 0
Wishlist: 0
Now Playing: 0

Avg Community Rating:


Portal - Summary

The Portal series of puzzle games consists of the following mainline releases:

There have also been a number of spin-off titles, including:

Shipping Total

27,034,180 Units
As of: July 1st, 2018

Opinion (1)

Machina posted 19/02/2020, 07:00
Total includes:
- 13.06m for Portal 2 on Steam.
- 9.97m for Portal on Steam.
- 4m for Portal at retail ( ).

So it doesn't include:
- Console sales for Portal 2 (retail & digital).
- Portal retail sales from mid-2011 onwards.
- Portal: Still Alive sales.
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