X INDEX PICK A GAME

1. X-Out
2. Xadom
3. Xarax
4. Xavior
5. Xcel
6. Xecutor
7. Xen
8. Xeno
9. Xenon
10. Xenophobe
11. Xevious
12. XOR
13. Xybots

If you find a hack which doesn't work, let me know.