Tested and working 52 in 1 game system.
All Nintendo NES type games. I tested a few like Galaga and Galaxian and they seem just like the originals. Good sound, good graphics, no problems. Both controllers and the gun work correctly. This can run off the included AC adapter or you can use AA batteries with that go in the main controller. Main controller also has a slot for plugging in cartridges- looks like it takes Famicom type carts but did not check.
Not the highest quality manufacture but everything works as it should. Might be a good project to use the electronics for MAME type system and upgrade the hardware/controllers with originals.
Send your zip code for ship cost- should be between $5.95 and $9.95 if you are in the continental USA (Oct. 2012).