Sonic Blast (or G Sonic, as it is known in Japan) is a video game for the Sega Game Gear.

The game was released in North America in November 1996. The game came to Europe later that month. The Japanese release was on December 13, 1996.

It was released in Brazil for the Sega Master System by Tec Toy , SEGA's Brazilian distributor.

The two playable characters in the game are Sonic the Hedgehog and Knuckles the Echidna. The two have to collect five Chaos Emeralds.

Zones

• Green Hill Zone
• Yellow Desert Zone
• Red Volcano Zone
• Blue Marine Zone
• Silver Castle Zone