I have Atari XEGS games reproductions for sale. An article regarding this is available on:
The official XEGS games list is as follows:
Ace of Aces
Archon: The Light and the Dark
David's Midnight Magic
Eastern Front (1941)
Flight Simulator II
Into the Eagle's Nest
Rescue on Fractalus!
Star Raiders II
Also, I can make reproductions of the unreleased XEGS prototypes:
An last, but certainly not the least, I have some XEGS conversions available:
Montezuma Again! (new hack game from Montezuma's Revenge, topic regarding this: http://atariage.com/...ma-arrangement/ )
The pcbs can fit in a Atari standard cartridge case. You can visit my YouTube channel with demonstrations and tutorials on how to assemble them:
If you are interested, you can PM me on this account.