This is a collection of free games (previously commercial) by Cliff Johnson, a game designer, best known for the early computer puzzle games The Fool’s Errand (1987) and 3 in Three (1990).
All this games are playable on Windows, Macintosh and Amiga (The Fool’s Errand) via emulators.

Please visit CJ official website, there you will find a stylish site, single download of games, instructions on how to operate the games and the possibility to pre-order The Fool and his Money (The sequel to The Fool’s Errand, nine years in the making!)

Link to Official Site

In Detail:

Amiga

The Fool’s Errand (Use WinUAE emulator to play it)

Windows

Hanna-Barbera’s Cartoon Carnival, Merlin’s Apprentice, Labyrinth of Crete
Emulate Windows 98 Second Edition using Microsoft’s Virtual PC (or other VM software). There should be also a CD-I Emulator around the internet.

The Fool’s Errand, At the Carnival, 3 in Three
You can play this 3 games using the official forever version of Executor (emulator)

Macintosh

Hanna-Barbera’s Cartoon Carnival, Merlin’s Apprentice, Labyrinth of Crete
These games only operate on original System 8 machines. They will not run under Classic Mode on latter day Macs.

The Fool’s Errand, At the Carnival, 3 in Three
These games require a Macintosh with a System that runs Classic Mode.
Intel Macintosh will not run Classic applications. You can try the SheepShaver emulator. Also, several people have reported success with Mini vMac. You can also try to get the Windows XP Mac emulator Executor to run on the Intel Mac. Also Try Parallels to emulate Windows XP at near-native speeds on Mac.