Games Developed By Valve
| Game | Platform | Genre |
|---|---|---|
| Portal | PC | Puzzle |
| Portal 2 | PC | Puzzle |
| Portal 2 | X360 | Puzzle |
| Portal 2 | PS3 | Puzzle |
| Portal: Still Alive | X360 | Shooter |
Valve
| Game | Platform | Genre |
|---|---|---|
| Portal | PC | Puzzle |
| Portal 2 | PC | Puzzle |
| Portal 2 | X360 | Puzzle |
| Portal 2 | PS3 | Puzzle |
| Portal: Still Alive | X360 | Shooter |
