Puyo Puyo! Sega (2012)

In 2012, Puyo Puyo! Sega received the 2 episodes of Sonic the Hedgehog 4 for iOS and Android.

Sonic the Hedgehog 4 - Episode I

A 2D side-scrolling platforming game, which features gameplay nearly identical to past 2D Sonic games. The game is divided into 5 Zones, each split into 3 acts and a boss act. The only playable character in the game is Sonic, who can run, jump, Spin Dash, and use the Homing Attack.

Sonic the Hedgehog 4 was originally going to be named "Sonic the Portable", but then got renamed to turn this game into the spiritual successor to the classic Sonic games from the Mega Drive/Genesis.

Japanese Game Website Play Store Page (Archived) Game Trailer Play Game

Sonic the Hedgehog 4 - Episode II

A 2D side-scrolling platforming game, which features gameplay nearly identical to past 2D Sonic games. The game is divided into 5 Zones, each split into 3 acts and a boss act. Sonic is playable alongside Tails as a companion. Sonic and Tails can team-up to perform new abilities like flying and perform a bigger spin attack.

Sonic the Hedgehog 4 - Episode II has multiple trial versions, which contains the first acts of Sylvania Castle Zone and White Park Zone. If you finish Sylvania Castle Zone in under 1 minute, you can access the Special Stage. A special THD Lite version was also made for Android devices running on NVidia technology, which has been recently found.

Japanese Game Website Play Store Page (Archived) Game Trailer

Sonic & Tails Kuchu Sanpo (そにっく＆ているす 空中さんぽ)

This game is the third installment in the hand-drawn Sonic "Sonic the Sketchhog" series. Little is known about the game itself and no gameplay footage has been recorded.

This game was released as a free online Flash game for mobile devices during the Puyo Puyo! Sega's Sonic Birthday Campaign on June 22th to July 9th 2012. In 2014, the game was made available again on the mobile service.

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