They may also use power-ups such as the iconic speed-up shoes, barrier shields, and invincibility. Players control Sonic running, jumping, and defeating badniks through levels at high speeds.
Designed to be similar to the classic Genesis games, Sonic 4 combines the traditional 2D gameplay of classic sonic games with 2.5D graphics and new gameplay elements. It is billed as the successor to Sonic & Knuckles on the Sega Genesis/Mega Drive. Sonic the Hedgehog 4: Episode I is a platforming video game released developed by Dimps and Sonic Team for the Wii's WiiWare service.