Screenshots1 / 2
Champion Base Ball
冠军棒球
Champion Base Ball is an arcade action game developed by Alpha Denshi Co. under Sega license in 1983. Players control a baseball player to hit pitches and score runs against opponents. The game combines action gameplay with baseball mechanics, requiring timing and reflexes to connect with pitched balls. Players progress through different difficulty levels and opponents, with each stage presenting increasingly challenging pitching patterns. The arcade cabinet features joystick and button controls for batting and running actions, delivering straightforward baseball action gameplay.
- Developer
- Alpha Denshi Co. (Sega license)
- Released
- 1983
- Platform
- Arcade
- Genre
- Action
- Rating
- 4.7 / 5 (2.3K)
- Last updated
Champion Base Ball Controls — Arcade Keyboard Keys
Default keyboard bindings for Champion Base Ball on our in-browser Arcade 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 |
|---|---|---|
| ↑ | Joystick Up | Move up |
| ↓ | Joystick Down | Move down |
| ← | Joystick Left | Move left |
| → | Joystick Right | Move right |
| X | Button 1 | Primary action (jump / confirm) |
| Z | Button 2 | Secondary action (attack / cancel) |
| S | Button 3 | Tertiary action |
| A | Button 4 | Quaternary action |
| Q | Button 5 | Fifth button |
| W | Button 6 | Sixth button |
| 5 | Insert Coin | Insert coin |
| 1 | 1P Start | Start / Pause |
Coin and Start are convention "Insert Coin: 5" and "1P Start: 1". Some arcade boards expect specific button mappings — check the in-game prompts on coin-up.
Rebind any key from the EmulatorJS in-game settings menu (gear icon → Controls). A connected gamepad auto-maps to the same buttons.
Champion Base Ball Longplay & Gameplay Videos
Watch a full playthrough of Champion Base Ball on Arcade before you dive in — recommended for getting a feel for the game's pacing, story beats, and difficulty curve.
Watch longplay on YouTube
"Champion Base Ball" Arcade longplay 1983
External references
Frequently Asked Questions
When was Champion Base Ball released?
Champion Base Ball was released in 1983 for the Arcade.
Who developed Champion Base Ball?
Champion Base Ball was developed by Alpha Denshi Co. (Sega license), available to play in your browser on RetroGameSpace.
What type of game is Champion Base Ball?
Champion Base Ball is a Action game for the Arcade, playable instantly in your browser — no downloads, no installs.
How can I play Champion Base Ball for free?
Open this page and click "Play Now" — Champion Base Ball runs free in your browser via WebAssembly emulation. No account, no payment, no installer.
Do I need to download anything to play Champion Base Ball in the browser?
No. Champion Base Ball streams from a public archive into a browser-side Arcade emulator. Nothing is installed on your computer.
Can I save my progress in Champion Base Ball?
Yes. Save states are stored in your browser (IndexedDB) per game, and you can also use any in-game save the original Arcade cartridge supported.
Does Champion Base Ball work on mobile devices?
Yes — the Arcade emulator runs on iOS Safari and Android Chrome. Touch controls overlay the game; landscape mode is recommended.
Is it legal to play Champion Base Ball this way?
RetroGameSpace is a transient caching reverse-proxy and does not host first-party copies of Champion Base Ball. 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.
