The Omega Stone
Windows
The Quest
Disk Operating System
Penguin Software
The Proud Family
Game Boy Advance
Gorilla Systems
The Prisoner
Apple II
Edu-Ware, David Mullich
The Portopia Serial Murder Case
Windows, Nintendo Entertainment System
Yuji Horii
The Heroes Of Karn
Amstrad CPC, ZX Spectrum
The Hardy Boys: The Hidden Theft
Wii
XPEC Entertainment
The Gene Machine
Divide By Zero
The Missing Ring
Apple II series
The Manhole
iOS, Windows, TurboGrafx-16, and 1 more
Cyan Worlds
The Lost Crown of Queen Anne
The Space Bar
Boffo Games
The Silver Lining
The Shivah
macOS, Linux, Android, and 2 more
Wadjet Eye Games
The Several Journeys of Reemus
macOS, Apple Macintosh
The Secret of Bastow Manor
Amstrad CPC, Commodore 64
The Scoop
Telarium
Pirate Adventure
Adventure International
Unsolved Crimes
Nintendo DS
Now Production
UFO: A Day in the Life
PlayStation
Love-de-Lic
The Tower of Cabin
MSX
Microcabin
Vegas Connection: Casino Kara Ai wo Komete
Nintendo Entertainment System
Valis IV
Super Nintendo Entertainment System, TurboGrafx-16
Telenet Japan
Valhalla
Commodore 64, ZX Spectrum
Legend
Valhalla: Before the War
Amiga
Vulcan Software
Plan 9 from Outer Space
Atari ST, Amiga, Disk Operating System
Konami
That's So Raven: Psychic on the Scene
Handheld Games
Total Miner
Windows, Xbox 360
Dark Sceptre
Dead Zone
Sunsoft
