Super Game Boy 2 is a SNES accessory cartridge developed by Catapult Entertainment and released in 1995, arriving during the mid-to-late period of the Super Nintendo's commercial lifespan. Its predecessor, the original Super Game Boy released in 1994, had already demonstrated the appeal of playing Game Boy titles on a television screen with added color palettes and decorative borders. Super Game Boy 2 built directly on that foundation while addressing several notable limitations of the first unit. The most significant hardware improvement was the inclusion of a Link Cable port on the cartridge itself, allowing two players to connect Game Boy systems or accessories for multiplayer gameplay — a feature the original Super Game Boy conspicuously lacked. This made Super Game Boy 2 particularly valuable for games that supported Game Boy link functionality, such as Tetris and Pokémon, since players could now compete or trade without needing a separate Game Boy console. Another correction in Super Game Boy 2 was a fix to the CPU clock speed: the original Super Game Boy ran Game Boy software approximately 2.4% faster than a native Game Boy due to a timing discrepancy between the SNES and Game Boy hardware. Super Game Boy 2 corrected this, running games at the accurate Game Boy clock speed, which mattered most for music-sensitive titles where the slightly elevated tempo on the original unit was audible. In terms of presentation, Super Game Boy 2 expanded the library of built-in border frames that could be displayed around the Game Boy screen area on the television, giving players more decorative options when no game-specific border was provided. The color palette system carried over from the original, allowing players to assign custom colors to Game Boy games that did not include native Super Game Boy enhancement data. Games that were specifically programmed with Super Game Boy support — such as Donkey Kong, Kirby's Dream Land 2, and Space Invaders — could display richer, game-specific color schemes and borders automatically. Super Game Boy 2 was released exclusively in Japan, meaning Western players who wanted its improvements had to import the unit. This regional exclusivity limited its mainstream visibility outside Japan, though it developed a dedicated following among enthusiasts who prioritized accurate Game Boy emulation on the SNES. The accessory arrived at a time when the Game Boy platform was still commercially dominant despite its aging hardware, and the Super Game Boy line served as a bridge between Nintendo's portable and home console ecosystems. Reception in its era was positive among Japanese consumers who recognized the practical improvements over the first model, particularly the link cable addition, though the accessory remained a niche product given that most casual players found the original Super Game Boy sufficient for their needs.
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Super Game Boy 2
Super Game Boy 2, released in 1995 by Catapult Entertainment, is a SNES cartridge adapter that enables Game Boy games to be played on television with color enhancements. Unlike a traditional game, it serves as a hardware bridge connecting the portable Game Boy to home consoles. The device applies selectable color palettes to compatible Game Boy titles, offering visual variety beyond monochrome displays. It supports multiplayer gaming for up to four players by linking multiple Game Boy units through cable connections. The adapter features an on-screen menu system for customizing visual borders and color schemes. The Japanese version uniquely includes a TV tuner. Players control the experience through their connected Game Boy devices. Super Game Boy 2 effectively brought portable software into living rooms, transforming individual handheld experiences into shared entertainment accessible on larger screens.
- Developer
- Catapult Entertainment
- Released
- 1995
- Platform
- SNES
- Genre
- Action
- Rating
- 4.4 / 5 (4K)
- Last updated
About Super Game Boy 2
What makes it special
Super Game Boy 2 stands out for two concrete, verifiable technical achievements. First, it corrected the CPU clock speed error present in the original Super Game Boy, ensuring Game Boy software — including its audio — runs at the accurate native speed. Second, it added a physical Link Cable port directly to the cartridge, enabling two-player Game Boy link functionality through the SNES for the first time. These are not cosmetic refinements but hardware-level fixes that meaningfully change the experience for players who care about accuracy and multiplayer support.
Pro tips
- Use the built-in Link Cable port to connect a second Game Boy for multiplayer sessions in link-compatible games like Tetris — no separate hardware required beyond the cable itself.
- If you notice music in a game sounding slightly off compared to a real Game Boy, this is normal on the original Super Game Boy; Super Game Boy 2 eliminates that pitch discrepancy by running at the correct clock speed.
- Cycle through the available border frames using the controller menu to find one that suits your game — Super Game Boy 2 includes more built-in borders than its predecessor.
- Games with dedicated Super Game Boy enhancement data will automatically load their custom color palettes and borders; check your game's label or manual for the Super Game Boy logo to know what to expect.
- For games without Super Game Boy enhancement, manually assign a four-color palette from the options menu to improve readability on a large television screen.
Super Game Boy 2 Controls — SNES Keyboard Keys
Default keyboard bindings for Super Game Boy 2 on our in-browser SNES emulator. Plug in a USB or Bluetooth gamepad to auto-detect mappings, or rebind any key from the emulator settings menu.
| Keyboard | Console button | Typical use |
|---|---|---|
| ↑ | D-Pad Up | Move up |
| ↓ | D-Pad Down | Move down |
| ← | D-Pad Left | Move left |
| → | D-Pad Right | Move right |
| X | A | Primary action (jump / confirm) |
| Z | B | Secondary action (attack / cancel) |
| S | X | Tertiary action |
| A | Y | Quaternary action |
| Q | L | Left shoulder |
| W | R | Right shoulder |
| Enter | Start | Start / Pause |
| Shift | Select | Select / Mode |
Rebind any key from the EmulatorJS in-game settings menu (gear icon → Controls). A connected gamepad auto-maps to the same buttons.
Super Game Boy 2 Longplay & Gameplay Videos
Watch a full playthrough of Super Game Boy 2 on SNES before you dive in — recommended for getting a feel for the game's pacing, story beats, and difficulty curve.
Watch longplay on YouTube
"Super Game Boy 2" SNES longplay 1995
Super Game Boy 2 Cheat Codes
30 community-curated cheats for Super Game Boy 2. Tick any to activate them automatically when you click "Play with cheats" — or copy a code into your own emulator.
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Enable Game To Start
DD80-6DA7+DF8A-DD04+DD8F-0FDD+D98E-D7AD -
Controller Modifier
7E0C1F00 -
Screen Savers Never Start
7E002598 -
Enhanced Icon Sprite Mod
7EC01200 -
Force Enhanced Icon To Face You
7EC013D8 -
Disables First Drawn Dots In Graffiti Editor
7E018403 -
Use Selected Palette Curser For Painting
7E018701 -
Resets All Ram In Super Game Boy Cart
7E02FA07 -
Selected Palette Modifier
7E0C0500 -
Custom Palette Enabled Modifier
7E0C4D01
Show 18 more cheats Show fewer
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Custom Border Enabled Modifier
7E0C4E01 -
Paint Palette Modifier
7E0C3B00 -
Selected Palette is Purely Random
7EC90A00 -
Paint Sucker Palette Modifier
7EC90100 -
Camera Type Modifier
7E0F4F00 -
Camera Look Modifier
7EC00E00 -
Custom Palette Password Modifier [0000-0000-0000]
7ECC0810+7ECC0910+7ECC0A10+7ECC0B10+7ECC0C10+7ECC0D10+7ECC0E10+7ECC0F10+7ECC1010+7ECC1110+7ECC1210+7ECC1310 -
Border Modifier
7E0C0300 -
Force Original Border Selection
7E07FF01 -
Draw Crayon Modifier
7E018200 -
Change Up Down Drawing Design
7E019600 -
Draw Ability And Window Modifier
7E171000 -
Janitor Always Cleaning.
7E100203 -
SGB Games Never Override Your Ability To Access Normal Sgb Features
7E0F0700 -
Enables Enhanced Palette For Every Game.
7E0F0B01 -
Enables Enhanced Borders For Ever Game.
7E0F0C01
External references
Frequently Asked Questions
When was Super Game Boy 2 released?
Super Game Boy 2 was released in 1995 for the SNES.
Who developed Super Game Boy 2?
Super Game Boy 2 was developed by Catapult Entertainment, available to play in your browser on RetroGameSpace.
What type of game is Super Game Boy 2?
Super Game Boy 2 is a Action game for the SNES, playable instantly in your browser — no downloads, no installs.
How can I play Super Game Boy 2 for free?
Open this page and click "Play Now" — Super Game Boy 2 runs free in your browser via WebAssembly emulation. No account, no payment, no installer.
Do I need to download anything to play Super Game Boy 2 in the browser?
No. Super Game Boy 2 streams from a public archive into a browser-side SNES emulator. Nothing is installed on your computer.
Can I save my progress in Super Game Boy 2?
Yes. Save states are stored in your browser (IndexedDB) per game, and you can also use any in-game save the original SNES cartridge supported.
Does Super Game Boy 2 work on mobile devices?
Yes — the SNES emulator runs on iOS Safari and Android Chrome. Touch controls overlay the game; landscape mode is recommended.
Is it legal to play Super Game Boy 2 this way?
RetroGameSpace is a transient caching reverse-proxy and does not host first-party copies of Super Game Boy 2. Game files are fetched on demand from publicly-accessible archives. You are responsible for compliance with your local laws and the bring-your-own-ROM principle.
Is Super Game Boy 2 worth playing today over the original?
Yes, if accuracy matters to you. Super Game Boy 2 runs games at the correct Game Boy clock speed and adds a Link Cable port, making it the more faithful and feature-complete option. However, it was only released in Japan, so obtaining one requires importing.
Can Super Game Boy 2 play Game Boy Color games?
No. Super Game Boy 2 supports original Game Boy and Game Boy Pocket cartridges only. Game Boy Color titles are not compatible, as the GBC uses different hardware that the Super Game Boy line does not accommodate.
What is the best starting strategy for getting the most out of Super Game Boy 2?
Start by testing games that carry the Super Game Boy logo on their packaging, as these will automatically display enhanced colors and custom borders. Then explore the palette customization menu for non-enhanced games to improve their visual presentation on your TV.
Is multiplayer recommended on Super Game Boy 2?
Multiplayer via the Link Cable port is one of Super Game Boy 2's headline features and works well for supported titles. You will need a standard Game Boy Link Cable and a compatible game. It is especially enjoyable for competitive games like Tetris.