DOOM 1 и DOOM 2 [Homebrew для PSP] » Инфопортал PSPinfo.RU - тут знают все о PSP и PS Vita!
Doom I & II (Homebrew) PSP Eboot - CDRomance
Doom [UMD for PSP] | eBay
DOOM - Case for UMD Video for PSP - No Cartridge
GitHub - mwpenny/chocolate-doom-psp: A port of Chocolate Doom for the Sony PSP. Chocolate Doom is a Doom source port that is minimalist and historically accurate.