World Climate Simulator — Free Climate Strategy Game
Lead a real country through the climate crisis. Set carbon taxes, build solar & wind farms, invest in nuclear or green hydrogen, and race to net zero before 2°C of warming. Free to play, no download required.
What is World Climate Simulator?
World Climate Simulator is a free online strategy game about climate change and energy policy. You play as the leader of one of 50+ real countries — the USA, Germany, China, India, Brazil, UK, France, Japan, Australia, Norway, and more — and make real-world policy decisions across 5-year turns from 2025 to 2050.
Game Features
- 50+ playable countries — USA, Germany, China, India, Brazil, UK, France, Japan, Australia, Norway and more, each with real energy, GDP and emissions data
- Carbon tax and renewable subsidies — set policy sliders and watch their effect on your energy mix and economy
- 10-node tech tree — research battery storage, smart grids, offshore wind, green hydrogen, carbon capture, and fusion power
- International trade deals — negotiate energy imports and exports with 15+ partner nations
- Climate crises — survive droughts, recessions, geopolitical shocks, and more across multi-turn events
- Global leaderboard — compete with players worldwide for the highest climate score
- Country storylines — unique narrative events for each country track your progress through the decades
- Prestige system — reach 2050 and restart with harder goals and powerful bonus rewards
How to Play
- Create a free account (takes 30 seconds — just email and password)
- Choose your country from the interactive world map
- Set energy policies using intuitive sliders each 5-year turn
- Unlock breakthrough technologies with R&D points
- Negotiate trade deals and survive climate crises
- Reach 2050 with the lowest emissions and highest score — then share your result
Who Is It For?
World Climate Simulator is for anyone curious about climate change, energy policy, or strategy games — students, teachers, engineers, policy makers, environmentalists, and gamers. It is completely free, runs in any browser, and takes about 15 minutes per playthrough.
Frequently Asked Questions
- Is it free?
- Yes, 100% free. No download, no app store, no subscription. Just a browser and a free account.
- Does it work on mobile?
- Yes. The game is designed mobile-first and works on all smartphones and tablets.
- Is it educational?
- Yes. The simulation uses real-world energy data and shows the real tradeoffs between economic growth, energy security, and emissions reduction.
- How long does a game take?
- A full playthrough from 2025 to 2050 (5 turns of 5 years each) takes about 10–20 minutes.
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