A series of arcade stick-shaped plug-and-play consoles intended for easy transportation and storage, sold in 8 different varieties. Each version includes a unique pack of 10 games: 5 Genesis/MS/GG ROMs, and 5 bonus Firecore ROMs.

Variations include:
-Sonic (light blue, Sonic titles)
-Virtua Fighter 2 (white, action/brawler titles)
-Marshmallow (Pink/Cyan, ecco/cutesy titles)
-Columns (Orange, Columns/arcade titles)
-Sonic 1&2 (black/yellow, all Genesis games; no Firecore games)
-Sonic Blast (green, only includes Sonic Blast ',:/ )

Possibly unreleased, as no product listings or game lists exist:
-Altered Beast (black)
-Casino Games (yellow)

Sega Retro: https://segaretro.org/Arcade_Nano_series