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Little League Baseball - Championship Series
A landmark sports game for the NES, Little League Baseball - Championship Series combines tight controls with engaging gameplay. Its enduring appeal lies in the perfect balance of challenge and reward.
- Developer
- SNK
- Released
- 1990
- Platform
- NES
- Genre
- Sports
- Players
- 2P
- Rating
- 4.4 / 5 (644)
- Last updated
Little League Baseball - Championship Series Controls — NES Keyboard Keys
Default keyboard bindings for Little League Baseball - Championship Series on our in-browser NES 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) |
| 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.
Little League Baseball - Championship Series Longplay & Gameplay Videos
Watch a full playthrough of Little League Baseball - Championship Series on NES before you dive in — recommended for getting a feel for the game's pacing, story beats, and difficulty curve.
Watch longplay on YouTube
"Little League Baseball - Championship Series" NES longplay 1990
Little League Baseball - Championship Series Cheat Codes
8 community-curated cheats for Little League Baseball - Championship Series. Tick any to activate them automatically when you click "Play with cheats" — or copy a code into your own emulator.
-
Team 1 Score Modifier
048C:00 -
Team 2 Score Modifier
048B:00 -
Strikes Modifier
0487:00 -
Ball Modifier
0488:00 -
Out Modifier
0489:00 -
Hit A Homerun
UPEUYLOG+AGOLPUNI -
Balls Are Strikes
OZUITLEN -
Skip Intro Screen
OXVXSKPX
External references
Frequently Asked Questions
When was Little League Baseball - Championship Series released?
Little League Baseball - Championship Series was released in 1990 for the NES.
Who developed Little League Baseball - Championship Series?
Little League Baseball - Championship Series was developed by SNK, available to play in your browser on RetroGameSpace.
How many players does Little League Baseball - Championship Series support?
Little League Baseball - Championship Series supports up to 2 players, ideal for couch co-op or competitive sessions on the NES.
What type of game is Little League Baseball - Championship Series?
Little League Baseball - Championship Series is a Sports game for the NES, playable instantly in your browser — no downloads, no installs.
How can I play Little League Baseball - Championship Series for free?
Open this page and click "Play Now" — Little League Baseball - Championship Series runs free in your browser via WebAssembly emulation. No account, no payment, no installer.
Do I need to download anything to play Little League Baseball - Championship Series in the browser?
No. Little League Baseball - Championship Series streams from a public archive into a browser-side NES emulator. Nothing is installed on your computer.
Can I save my progress in Little League Baseball - Championship Series?
Yes. Save states are stored in your browser (IndexedDB) per game, and you can also use any in-game save the original NES cartridge supported.
Does Little League Baseball - Championship Series work on mobile devices?
Yes — the NES emulator runs on iOS Safari and Android Chrome. Touch controls overlay the game; landscape mode is recommended.
Is it legal to play Little League Baseball - Championship Series this way?
RetroGameSpace is a transient caching reverse-proxy and does not host first-party copies of Little League Baseball - Championship Series. 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.
