The PSP version of Savage Moon will be released via PSN on 22nd December for £6.29 or €7.99.

That's what producer Ana wrote on the European PlayStation blog and frankly I believe her.

Savage Moon's a tower defence game that takes place high in the sky in a place we call space. The PSP version, subtitled The Hera Campaign, has two new species and a brand new interface, plus unlockable vengeance mode and soundtracks.

http://www.eurogamer.net/articles/ps...-out-next-week