is a 2.5D side-scrolling platformer developed by Dimps and Sonic Team as a direct sequel to Sonic & Knuckles . Released for the PlayStation Network (PSN) on October 12, 2010, in North America and October 13 in Europe, it marks a return to the series' classic 16-bit gameplay style with updated high-definition graphics and new modern abilities. Core Gameplay & Features
Supports full 1080p high-definition and widescreen displays. Sonic The Hedgehog 4 EpisГіdio 1 PSN
Includes global leaderboards for players to compare high scores and the fastest level completion times. is a 2
The game consists of four main zones, each containing three acts and a final boss battle, followed by a secret fifth zone. Splash Hill: Inspired by Green Hill Zone ( Sonic 1 ). Casino Street: Inspired by Casino Night Zone ( Sonic 2 ). Lost Labyrinth: Inspired by Labyrinth Zone ( Sonic 1 ). Mad Gear: Inspired by Metropolis Zone ( Sonic 2 ). Includes global leaderboards for players to compare high
A boss rush finale inspired by the Death Egg Zone ( Sonic 2 ).
Rotating mazes modeled after Sonic 1 , where players must navigate to collect the seven Chaos Emeralds .