Teddy Boy
Teddy Boy stands as a defining action title on the Sega Master System. With polished gameplay mechanics and memorable level design, this classic delivers an experience that has stood the test of time.
- Developer
- SEGA
- Released
- 1985
- Platform
- Master System
- Genre
- Action
- Players
- 2P
- Rating
- 4.2 / 5 (1.9K)
- Last updated
Teddy Boy Controls — Master System Keyboard Keys
Default keyboard bindings for Teddy Boy on our in-browser Master System 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 | 1 | Primary action (jump / confirm) |
| Z | 2 | Secondary action (attack / cancel) |
| Enter | Pause | Start / Pause |
Rebind any key from the EmulatorJS in-game settings menu (gear icon → Controls). A connected gamepad auto-maps to the same buttons.
Teddy Boy Longplay & Gameplay Videos
Watch a full playthrough of Teddy Boy on Master System before you dive in — recommended for getting a feel for the game's pacing, story beats, and difficulty curve.
Watch longplay on YouTube
"Teddy Boy" Master System longplay 1985
Teddy Boy Cheat Codes
3 community-curated cheats for Teddy Boy. Tick any to activate them automatically when you click "Play with cheats" — or copy a code into your own emulator.
-
Infinite Lives
00C0-1B04773-D9C-193B62-19C-3BE -
Invincibility
3A6-8FF-2A2 -
Infinite Time
2A4-C3E-6E2
External references
Frequently Asked Questions
When was Teddy Boy released?
Teddy Boy was released in 1985 for the Master System.
Who developed Teddy Boy?
Teddy Boy was developed by SEGA, available to play in your browser on RetroGameSpace.
How many players does Teddy Boy support?
Teddy Boy supports up to 2 players, ideal for couch co-op or competitive sessions on the Master System.
What type of game is Teddy Boy?
Teddy Boy is a Action game for the Master System, playable instantly in your browser — no downloads, no installs.
How can I play Teddy Boy for free?
Open this page and click "Play Now" — Teddy Boy runs free in your browser via WebAssembly emulation. No account, no payment, no installer.
Do I need to download anything to play Teddy Boy in the browser?
No. Teddy Boy streams from a public archive into a browser-side Master System emulator. Nothing is installed on your computer.
Can I save my progress in Teddy Boy?
Yes. Save states are stored in your browser (IndexedDB) per game, and you can also use any in-game save the original Master System cartridge supported.
Does Teddy Boy work on mobile devices?
Yes — the Master System emulator runs on iOS Safari and Android Chrome. Touch controls overlay the game; landscape mode is recommended.
Is it legal to play Teddy Boy this way?
RetroGameSpace is a transient caching reverse-proxy and does not host first-party copies of Teddy Boy. 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.
