Homebrew developers don't always care to release games with professional packaging, or sometimes with any packaging at all. There have been a variety of different non-standard packages and cartridge types used for these. External presentation isn't everything and there are some great games to be found here.
There are a total of 33 recorded titles in this category.
Always winter, never Christmas
Asteroids Chasers - Deluxe Edition
Crystal Mines II : Buried Treasure
Crystal Mines II : Buried Treasure Expansion CD
Cyber Virus: CinciClassic Edition
Yastuna Volume 1 - The Alchemy of Cubes
Yastuna Volume 2 - The Space Incident
Click on a game image to go to the game information page. Where available the 'Play ROM' link will let you play the game right here in your web browser.