Sonic Mania

Sonic Mania is a single-player 2D side-scrolling platform game.

The story follows Sonic the Hedgehog, Miles “Tails” Prower, and Knuckles the Echidna as they pursue Dr. Eggman after he dispatches a group of robots called the Hard-Boiled Heavies to retrieve a mysterious energy source known as the Phantom Ruby. The trio’s chase leads them through altered versions of familiar zones from Sonic’s earlier adventures along with entirely new environments. As they race to stop Eggman from exploiting the ruby’s power, each hero experiences a slightly different route through the world depending on the chosen character.

Gameplay retains the momentum-based design of the original Sonic the Hedgehog titles. Players accelerate through side-scrolling stages filled with slopes, loops, springs, and hazards while collecting rings for protection. The goal of each act is to reach the signpost or capsule at the end while avoiding enemies and environmental traps. Sonic can perform his classic Spin Dash and gains a new “Drop Dash” move that launches him forward immediately upon landing. Tails can fly short distances and swim, while Knuckles glides, climbs walls, and punches through barriers, granting access to alternate paths and secrets.

Each zone consists of two acts that combine speed sections with platforming challenges and culminate in boss encounters against Eggman or one of the Hard-Boiled Heavies. Several stages revisit and expand on areas from earlier games such as Green Hill Zone and Chemical Plant Zone, redesigned with new obstacles, alternate layouts, and updated visual effects. Other zones are completely original, including Press Garden and Studiopolis, each introducing unique mechanics like bouncing newspapers, television projectors, or frozen terrain.

Collectible golden rings and power-ups remain central to survival. When the player is hit, rings scatter and must be recovered before disappearing; losing all lives results in a game over. Hidden within acts are giant rings that lead to 3D bonus stages where the player chases a UFO to obtain Chaos Emeralds. Collecting all seven emeralds allows Sonic to transform into Super Sonic, granting invulnerability and enhanced speed as long as rings last. Blue Sphere stages, accessed through checkpoint stars while carrying rings, serve as additional challenges to earn medals and unlock extras.

Other options include a time-attack mode that records best completion times, a two-player competitive split-screen mode modeled after the one in Sonic the Hedgehog 2, and the ability to play as any of the three characters from the start.