Sonic the Hedgehog 3 & Knuckles cover art

Sonic The Hedgehog series

Sonic the Hedgehog 3 & Knuckles

Sonic the Hedgehog 3 & Knuckles (or simply Sonic 3 & Knuckles or Sonic 3 Complete Edition) is a platform video game which is the result of locking-on Sonic & Knuckles with Sonic the Hedgehog 3 using the former…

18 October 1994

Sonic the Hedgehog 3 & Knuckles is a platform developed by Sega Technical Institute, released 18 October 1994 on Sega Mega Drive/Genesis and PC (Microsoft Windows).

Verified Sources: IGDB , Steam , Wikipedia

What Sonic the Hedgehog 3 & Knuckles is

Sonic the Hedgehog 3 & Knuckles is a platform game developed by Sega Technical Institute and released in 1994. It was published by Sega. It is available on Sega Mega Drive/Genesis and PC (Microsoft Windows).

The premise, in the publisher's words

At the end of Sonic the Hedgehog 2, the evil Dr. Robotnik had his Death Egg downed from orbit by the heroes, Sonic the Hedgehog and his companion Miles "Tails" Prower. Having not been completely destroyed after all, the Death Egg has crash-landed on the Floating Island, taking it to the ocean below. This island has special properties - not least of which being its eponymous power of magical suspension. When Dr. Robotnik detects the presence of a massive Chaos Emerald within the island's depths, he decides to once again seek out the Chaos Emeralds so that his fallen Death Egg can regain orbit in space. Turning his crushing defeat into a sleek advantage yet again, he kidnaps Animals to…
Description from the publisher · source

How it plays

It is played from a side view perspective. Its themes are action and fantasy. It supports multiplayer and includes co-op. Local play supports 2 players. Available modes: Co-operative, Multiplayer, Single player and Split screen.

Where it sits in the Sonic The Hedgehog series

Sonic the Hedgehog 3 & Knuckles is the 31st of 407 entries we hold in the Sonic The Hedgehog series. The next entry was Sonic the Hedgehog: Triple Trouble in 1994.

See all 407 Sonic The Hedgehog games in release order →

What you need to run it

The minimum specification calls for 32MB or greater graphics card. Both tiers are compared side by side on the requirements page, and you can check your own parts against them without installing anything.

Full requirements and PC checker →

What it launched against

Sonic the Hedgehog 3 & Knuckles launched on 18 October 1994, within three weeks of DOOM II, Doom II: Hell on Earth, The Lion King and Super Punch-Out!!.

Released around the same time: DOOM II, Doom II: Hell on Earth, The Lion King, Super Punch-Out!!.

Cheats and codes

We have not confirmed any working cheat codes for Sonic the Hedgehog 3 & Knuckles yet. Rather than reprint a list we have not tested, this section stays empty until one is verified.

Know one? Send it in and we will test it →

Official trailer

Official TV Ad thumbnail

Sourced from the publisher’s YouTube channel.

Screenshots

All media

Dlc

Quick answers

Sonic the Hedgehog 3 & Knuckles — frequently asked questions

When did Sonic the Hedgehog 3 & Knuckles come out?
Sonic the Hedgehog 3 & Knuckles was released on 18 October 1994 for Sega Mega Drive/Genesis and PC (Microsoft Windows).
What are the minimum PC requirements for Sonic the Hedgehog 3 & Knuckles?
At minimum, Sonic the Hedgehog 3 & Knuckles needs 32MB or greater graphics card graphics, 50MB free disc space of storage.
Does Sonic the Hedgehog 3 & Knuckles have multiplayer?
Yes. Sonic the Hedgehog 3 & Knuckles supports multiplayer, including co-op.
How many GB is Sonic the Hedgehog 3 & Knuckles?
The PC version needs about 0 GB of storage, going by the storage line in the system requirements ("50MB free disc space"). Updates can add to that, and console versions have their own sizes, which are not listed here.

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