Wipeout HD will allow cross-play between 2 platforms
Crossplay platforms:
Wipeout HD will support cross-play across multiple platforms. It will be possible to play together with your friends on Playstation 3 and Playstation Vita. Please check out all the details on the game's official website!
Cross-Platform Combination Details:
Source: Link
Additional Info: none
Summary:
The futuristic racing and combat of the Wipeout universe makes its first PlayStation 3 appearance as a downloadable game on PlayStation Network.
Screenshots:

Wipeout HD is also known as:
- WipEout HD
- Wipeout HD Fury
- Wipeout Fury
Supported game modes:
- Single player
- Multiplayer
- Split screen
Supported player perspectives:
- Third person