LucasArts has decided not to release the game RTX Red Rock for the Cube anymore as it sees no future in the game. The company decided to still release it for the Playstation 2, though the original version was developed for the GameCube.

LucasArts was unavailable for comments at the time of writing.

UPDATE

LucasArts said that the GC port is on indefinite hold, but not completely cancelled. Apparently the Gamecube port was lagging more and more behind its PS2 counterpart, and it was deemed more important by LEC to get one game out on time than to get two really late ones, so some of the Gamecube people were moved over to help finish up the PS2 port. Once that happened, and given the recent shifts in the "industry perception" of the ol' Cube, its not that surprising that a GC port become less and less of a priority. The Cube port was pretty far along when it was left behind, though, so who knows if attention will be turned to polishing it up for release once they get the PS2 one out the door.