Documented for this version

Which controls does this version use?

Actions

Sonic & Knuckles + Sonic the Hedgehog 3 action controls
D-pad
Move, crouch, and aim in available directions.
A
Jump; press while moving to perform a Spin Jump.
B
Jump; press while moving to perform a Spin Jump.
C
Jump; press while moving to perform a Spin Jump.
Down + A/B/C
Charge and release a Spin Dash.

Sonic and Tails use this move; character behavior varies by playable character.

Start
Pause the game and confirm selections where applicable.

Control notes

  • The three face buttons perform the same jump function in the Genesis version.

  • Control details can vary slightly between playable characters.

How it plays

How does Sonic & Knuckles + Sonic the Hedgehog 3 play?

The game uses a side-scrolling perspective. Players guide a selected character through themed zones, moving from left to right while also exploring alternate paths, collecting Rings, activating checkpoints, and reaching the goal. Each zone contains an act followed by a boss encounter, with special stages and bonus stages providing additional challenges.

Sonic, Tails, and Knuckles have different movement abilities, so routes and secrets vary by character. Completing zones advances the story and opens later areas. Collecting Chaos Emeralds enables Super transformations, while the combined campaign adds the longer progression and character-specific content associated with Sonic 3 & Knuckles.

Plan your run

What is the best way to play Sonic & Knuckles + Sonic the Hedgehog 3?

Learn the layout of each act instead of rushing every section. Rings protect against most ordinary damage, but keeping at least one Ring is essential because hazards and bosses can otherwise cause an immediate loss of a life.

Use character abilities to inspect alternate routes. Search for giant Rings and monitor checkpoint locations, then practice boss attack patterns before committing to risky jumps. In the combined campaign, collecting Chaos Emeralds early makes later stages more forgiving through Super transformations.

Meet the cast

Who are the key characters?

1

Sonic the Hedgehog

The fastest playable hero, able to run at high speed, jump, roll, and use Spin Dash.

2

Miles "Tails" Prower

Sonic's two-tailed partner, who can fly briefly by spinning his tails and can swim.

3

Knuckles the Echidna

A playable rival who glides, climbs certain walls, and breaks marked barriers with his fists.

4

Dr. Robotnik

The principal antagonist, who uses machines and schemes to control the island and its power.

Before you begin

What should you know before playing?

  1. 1

    Use Spin Dash to build speed before ramps and loops.

  2. 2

    Knuckles can access routes that Sonic and Tails cannot.

  3. 3

    Special Stages are the main route to Chaos Emeralds.

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