ACTIVISION - PSP titles by March 2005
ATARI - Several titles planned for US
ATLUS - (*No titles planned, still evaluating system)
BANDAI - No confirmed titles, but is expected to announce plans soon
BANPRESTO - (*No titles planned, still evaluating system)
BETHESDA SOFTWORKS - Titles in development; has not announced plans
CAPCOM - At least 1 planned title at Japanese launch
CODEMASTERS - In development of titles (and prospective teams for said titles)
CHUNSOFT - Evaluating prospects of new title in the SOUND NOVEL series
DORASU CORPORATION - (*No titles planned, still evaluating system)
D3 - No confirmed titles but heavily considering software development (likely an edition of the SIMPLE XXXX series for PSP)
EA - Four titles planned at launch; 8-12 total US games by March 2005; Several planned titles at new EA studio; Several planned titles at other development houses for EA
EIDOS - Titles in development; has not announced plans
FROM SOFTWARE - (*No titles planned, still evaluating system)
HUDSON SOFT - Multiple titles in development
IREM - (*No titles planned, still evaluating system)
KOEI - 3 planned titles at Japanese launch; 1 planned title at US launch
KONAMI - Multiple titles planned title at Japanese launch; Expected multiple titles at US launch
LucasArts - (*No titles planned, still evaluating system)
MAJESCO - Titles in development; has not announced plans
MIDWAY GAMES - Titles in development; has not announced plans
MTO - Titles in development; has not announced plans
NAMCO - 2-3 planned titles at Japanese & US launch
NATSUME/ VIS - (*No titles planned, still evaluating system)
NIPPON ICHI - 1 title in development for release shortly after launch for Japan
NOW PRODUCTION - Titles in development; has not announced plans
PLAYLOGIC - Has signed PSP Racer project for publishing from EngineSoftware; Still evaluating further development
PUBLISHING IDENTITY SVENSKA - (*No titles planned, still evaluating system)
SAMMY - Titles in development; has not announced plans
SEGA - Has multiple PSP titles in development
SNK Playmore - (*No titles planned, still evaluating system)
SPIKE - Titles in development; has not announced plans
SONY COMPUTER ENTERTAINMENT - Multiple titles in development for Japan, US and European launch
SQUARE ENIX - UMD release of Final Fantasy: Advent Children; further plans unannounced
TAITO - 1 title in development
TAKE-2 / ROCKSTAR GAMES / GLOBALSTAR MULTIMEDIA - Multiple titles at or shortly after US launch
TECMO - Team Ninja project in the works; still evaluating system for further plans
THQ - Select titles to be released at PSP launch
TOMY - (*No titles planned, still evaluating system)
UBISOFT - Has not announced planned titles, but is in development on titles