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Play SimEarth (Japan edition · Japanese) Online
SimEarth - The Living Planet
Play SimEarth Online — Shape a planet’s atmosphere, climate, and life, guiding evolution toward a civilization capable of leaving its home world.
Browser play
PC Engine CD / TurboGrafx-CD — EmulatorJS controls
Default Player 1 keyboard mapping. Change keys in Controller Settings.
| Console button | Keyboard |
|---|---|
| ↑ / ↓ / ← / → | ↑ / ↓ / ← / → |
| I / II | Z / X |
| RUN / SELECT | Enter / V |
Open Controller Settings to configure your keyboard or gamepad. Touch controls are available on mobile.
How to Play SimEarth
Quick start
Select an introductory world or scenario. Inspect climate and life displays, make one small environmental change, and allow time to observe its effect.
Controls
The direction pad moves the cursor. I starts the selected action, SELECT cycles the main screens, and RUN pauses the simulation. Use the displayed data and model controls to inspect or change the planet.
SimEarth — About this game
The subject of this simulation is an entire living planet. Geological and atmospheric conditions affect whether organisms survive, spread, and develop into more complex forms. You adjust the environment and watch the consequences unfold across the world rather than controlling a single settlement. A change that helps one region can create trouble elsewhere, so steady observation is as important as intervention. Intelligent life introduces further pressures as civilization develops toward the possibility of exodus. Use the information displays to understand a problem before changing several variables at once; a dramatic correction can damage a world that needed a smaller adjustment.
SimEarth Game manuals
Cheats
No cheats have been added for this edition.
Player verification and sources
Browser play was reviewed before this edition was published in the catalogue. The date below is the catalogue publication date, not the game’s original release date.
- Browser test and catalogue publication date
- Browsers and devices
- PC: Chrome, Edge and Firefox. Mobile: Chrome on Android and Safari on iPhone and iPad.
- Player engine and core
- EmulatorJS 4.3.0-pre · pce
- Tested by
- rwEmulator
Sources and editorial basis
rwEmulator reviews edition metadata, release information, game manuals and first-hand browser-play notes. Available manuals are linked below; the editorial policy explains how facts are checked and corrections are handled.