Color & Switch Test Unknown - Sega Master System

You can now play Color & Switch Test Unknown online on our website. This game for Sega Master System can be played in your browser for free without any installation, just click on "Play now".

Take the opportunity to know the other old games as we have thousands for you to try.

We try to bring all the old games here from Game Boy, Game Boy Color, Game Boy Advance, Nintendo Entertainment System (NES), Super Nintendo, Sega Master System, Sega Game Gear, Sega Mega Drive/Genesis and also old MS-dos games.

We give you the opportunity to have fun and remember good times with these old console games.

Please note that we have introduced games on a large scale and have not tested them. Some may not work! Report game failure with 1 click

Have fun and show this fabulous site to your friends.

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Watch videos of this game on YouTube.com & Dailymotion.com and read about the game at Wikipedia.org