Dr. Robotnik's Mean Bean Machine (8-bit)

Dr. Robotnik's Mean Bean Machine is a remake of Puyo Puyo released for the Master System and Game Gear which uses characters from the TV series Adventures of Sonic the Hedgehog. This game's "Puzzle Mode" was the origin of Nazo Puyo.

Story
Dr. Robotnik has kidnapped the citizens of Beanville and is turning them into robots - to save them, you must pair them up, while your opponent is working for Robotnik.

Gameplay
Pair up groups of four or more beans (horizontally or vertically) to clear them. When a bean is cleared, the one on top fall down. If more beans are cleared this way, it is a chain. Chains are a major source of points, and send Refugee beans to your opponent.

Boss list

 * Stage 1: Arms
 * Stage 2: Frankly
 * Stage 3: Humpty
 * Stage 4: Coconuts
 * Stage 5: Davy Sprocket
 * Stage 6: Skweel
 * Stage 7: Dynamight
 * Stage 8: Grounder
 * Stage 9: Spike
 * Stage 10: Sir F-Fuzzy Logik
 * Stage 11: Dragon Breath
 * Stage 12: Scratch
 * Stage 13: Dr. Robotnik