Sega Sonic the Hedgehog/Trivia
- No Export for You: This arcade game never saw a US release (though the Japanese version was location-tested at several arcades in the San Francisco Bay Area).
- What Could Have Been:
- The aborted Sonic Gems Collection port.
- Dummied out sprites reveal that Sonic Sat AM's Robotnik was coded in, implying it was planned to get a US release that never materialized.