portal_(series)
A series of first-person puzzle platforming games by Valve Software.
List of games
* Portal 1
* Portal 2
Game tags
A - F
G - L
M - R
S - Z
See also
* the cake is a lie (meme)
* portal (object)
* pool #1399 (Thinking With Portals)
External links
* Wikipedia: Portal (series)
Aliases: none