As you may already knows game developers don't need UMD to test their products, they can play it from DVD
Sometimes when a product is finished, game developers send it to sony, and they make a special UMD, not for sale, for stuff like game events, beta testing sessions, maybe they send it to press and online magazines for testing... and other reasons, basically a beta version on UMD.
Anyway these games never got a commercial release, every project got cancelled, they exist only in form of DVD (only for debug units that developers uses) and special UMD releases. Most of them are in garbage now, so these are quite rare.
They look like this:
This is the list of the games i know:
-BioHazard (Resident Evil) Portable (test DVD only)
-Devil May Cry (test DVD only)
-Earthworm Jim
-Far Cry
-Gekido The Dark Angel
-Isle Of Minno
.Man vs Wild
-Parkour (test DVD only)
-Playstation Rooms ( video here -> http://www.youtube.com/watch?v=t1Pn_gUBFLY )
-Prometheus
-Psynapse
-Puzzle quest 2
-Superman Returns
-Traxion
-Zero Hour
Playstation Rooms closed beta, to download from psn, is an eboot.pbp file.
Only selected japanese users were able to download it with a redeem code
(No longer working cause servers are offline, if i'll get my hands on it i can try to make it work again hosting it myself... it's my dream-project but i really want to realise it)
Prometheus and Playstation Rooms are the only 2 eboot.pbp games, all the others are on UMD, Devil May Cry and Resident Evil are on DVD only instead so are the rarest of all the list
I managed to get only three of them, prometheus demo, isle of minno, the best psp game ever made! and RooM for PSP,
also killzone disc version 0.01, with a weird debug menu, and just half chapters of the story...
If you actually own one of these umd, or their dumped iso, or maybe the eboot.pbp of PS Rooms let me know, i am really interested on them.
Since they're basically demo of cancelled projects, they're no longer games but valuable rare collectable items...
Thankyou in advance, feel free to share info about them cause they're quite rare...
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. Between I think those games must be quite bad to be released..................
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