| File Type | |||||
|---|---|---|---|---|---|
| File Format | Proprietary (Valve) | ||||
| Usage | Open manually; may run a program or script when opened | ||||
| Popularity | ★ ★ ★ ★ ★ Popular | ||||
| Description |
Demo of a commercial video game; typically an in-game recording that serves as an example of the gameplay; used by games such as Half-Life, HalfLife: Counter-Strike, Quake, Hexen, and Unreal Tournament. |
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| Published | June 9, 2009 |