| Action / Button | Keyboard Key |
|---|---|
| D-Pad (Up / Down / Left / Right) | Arrow Keys |
| Button A | Z or J |
| Button B | X or K |
| Button X / Turbo A | A or U |
| Button Y / Turbo B | S or I |
| Select | Shift |
| Start | Enter |
💡 Tip: You can also connect any USB / Bluetooth Gamepad controller!
| Gamepad Input | Retro Function | Keyboard Key |
|---|---|---|
| D-Pad / Analog | Character Movement / Steering | ▲ ▼ ◄ ► |
| Button A (East) | Primary Action / Attack / Fire | Z / K |
| Button B (South) | Secondary / Jump / Cancel | X / J |
| Button X / Y | Special / Turbo / Extra Fire | A / S |
| Select | Insert Coin / Select Option | Right Shift |
| Start | Game Start / Pause Game | Enter |
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Different online emulators are available for Great Baseball (Japan). Select an emulator core below for optimal performance:
Great Baseball is the original 1985 entry in Sega’s line of “Great” sports titles for the Sega Master System. Released exclusively in Japan, this early 8-bit baseball simulation laid the groundwork for the console’s sports library.
How to play: Playball! The Sega Master System uses the D-pad for pitching, batting, and fielding movement, alongside Button 1 and Button 2 for primary actions. In your browser, these are mapped to the arrow keys and the Z and X keys, with Enter for Start.
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