Documented for this version

Which controls does this version use?

Actions

Sonic & Knuckles + Sonic 1 action controls
D-pad
Move left or right; press up or down to navigate slopes and special areas.
A
Jump and perform a jump-based spin attack.
B
Jump and perform a jump-based spin attack.
C
Jump and perform a jump-based spin attack.
Start
Pause the game.

Control notes

  • The Genesis controller layout may vary by hardware, but the in-game actions use the standard three-button pad.

How it plays

How does Sonic & Knuckles + Sonic 1 play?

The game uses a side-view perspective. Players guide Sonic through the original Sonic the Hedgehog stages and the Sonic & Knuckles adventure, collecting rings, defeating enemies, reaching goal markers, and confronting bosses.

Stages are arranged as themed zones with acts, checkpoints, hazards, bonus areas, and progressively tougher platforming challenges. Sonic & Knuckles also adds Knuckles as a playable character when applicable, with climbing and gliding abilities that open different routes.

The lock-on setup is the defining feature: connecting the cartridges enables linked content and special features that are not available from Sonic & Knuckles alone.

Plan your run

What is the best way to play Sonic & Knuckles + Sonic 1?

Use rings as protection while learning the layout of each act; taking damage without rings costs a life.

  • Explore alternate paths, especially with Knuckles, whose climbing and gliding can reveal routes unavailable to Sonic.
  • Activate checkpoints before attempting difficult sections, and watch for hidden monitors, shields, and extra-life icons.
  • Preserve enough rings for boss encounters, but prioritize safe movement over collecting every ring.

Meet the cast

Who are the key characters?

1

Sonic the Hedgehog

The fast blue protagonist of Sonic the Hedgehog and one of the playable heroes in Sonic & Knuckles.

2

Knuckles the Echidna

A playable character in Sonic & Knuckles who can glide, climb certain walls, and break through some barriers.

3

Dr. Robotnik

The recurring antagonist who operates machines and bosses throughout the Sonic games.

Before you begin

What should you know before playing?

  1. 1

    Knuckles can reach routes that Sonic cannot, so revisit areas with his abilities in mind.

  2. 2

    Use spin attacks against enemies rather than jumping into unfamiliar hazards.

  3. 3

    The cartridge connection is required for the combined lock-on features.

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