SNATCHER SERIES Snatcher (Mega CD) [European] Snatcher (Saturn) [Japanese]
POLICENAUTS SERIES Policenauts Pilot Disk (3DO) [Japanese] Policenauts (3DO) [Japanese] Policenauts (PlayStation) [Japanese] Policenauts (Saturn) [Japanese] Policenauts (Saturn) [Japanese]
ZONE OF THE ENDERS SERIES Zone Of the Enders (PlayStation 2) [European] Zone Of the Enders: The Second Runner - Special Edition (PlayStation 2) [European]
BOKTAI SERIES boktai: The Sun Is In Your Hand! (Gameboy Advance) [European] boktai 2: Solar Boy Django (Gameboy Advance) [European]
OTHER SERIES Penguin Adventure (MSX) [European] Kabushiki Baibai Trainer Kabutore (DS) [Japanese]
KOJIMA-RELATED GAMES Konami Krazy Racers (Gameboy Advance) [European] Super Smash Bros. Brawl (Wii) [American]
Again, Flashback is not the sequel to Out Of This World, Heart Of the Alien is. In my opinion Flashback is the much better game, but many would disagree.