Agenaworld: A “Homeworld” type of game. Agenaworld is an original multiplayer PSP to PSP game that allow you to command a spacecraft to other galaxies and visit all nine planets (plus the sun). In addition, the game backgrounds are real 24bit/pixel large space images that scroll in the background (courtesy of Hubble telescope). Try to reach Earth! Click on link above to download. Press the “Triangle Button” to use the “spacegate hypercube” gravity assist.

Source: http://forums.qj.net/psp-development-forum/150655-agenaworld-1-8-released.html

http://www.edepot.com/game.html