| 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 |
๐ก Tip: You can also connect any USB / Bluetooth Gamepad controller!
| Gamepad Input | Retro Function | Keyboard Key |
|---|---|---|
| D-Pad / Analog | Character Movement / Steering | โฒ โผ โ โบ |
| 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 |
 box cover |
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Different online emulators are available for 20 in 1. Select an emulator core below for optimal performance:
Released by Kaiser in 1991, 20 in 1 is a compilation cartridge for the NES. This release bundles multiple games together, giving you a choice of titles from a single main menu directly in your browser.
| Gamepad control: | ||
| Player 1: | Player 2: | |
| โ | โ | – |
| โ | โ | – |
| โ | โ | – |
| โ | โ | – |
| A | X | – |
| B | Z | – |
| SELECT | Shift | – |
| START | Enter | – |
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