In the Wii version's hub, players engage their character in battle with either humans or enemies, defeating them with a variety of special power-ups or by defeating rings which grow across the arena. Defeating every enemy results in a new character, a default character which can be switched anytime, and a character from the Wii version of Sonic the Hedgehog 2. Every character's stats are cosmetic, but players can obtain artifacts that limit their movement and special abilities. Upon completing a level, players can continue in a hub to fight against several enemy types. Defeating these enemies adds character and artifact slots.
The game's online mode allows players to compete with others in random, one-on-one matches or in tournaments where they compete alongside others. Players can earn platinum to unlock new characters by defeating other players in tournaments. In the Xbox 360 and PlayStation 3 versions, Diamond and Emerald Stages are available for single-player modes, and these later unlock a battle mode with up to four players.
The game contains several hidden items including a Warp Pipe, which grants players access to all of the Xbox 360 and PlayStation 3 versions' campaign modes. Players can also use it to revisit stages in alternative order.
The game's graphics were entirely redone for the Xbox 360 and PlayStation 3 versions, with the goal of making the game look like a more realistic version of the original, and retain the cartoony elements which fans of the series felt weren't a part of the later games. For example, no longer can the player jump while falling; instead, if the player falls long enough into a pit or other hazard, the player will stop falling and slide downward.
Sonic the Hedgehog for Xbox 360 and PlayStation 3 and Sonic and the Secret Rings for Wii use the Unreal Engine 3 to produce their games, the first version of the engine to be used in a Sega developed game. The Windows version uses DirectX. Sonic the Hedgehog and Sonic & the Secret Rings were leaders in the discontinuation of the Sonic franchise. d2c66b5586