PlanetMergeIdle

Build your own solar system in Planet Merge!

Start small, add planets, merge and upgrade them, and watch your solar system grow. Earn rewards as your planets orbit the Sun and keep expanding your cosmic world.

But space isn’t always peaceful. Face new challenges, defend the Sun from invading spaceships, restore its energy, build powerful protection, and continue your journey into new solar systems.

GAME FEATURES • Add and merge planets • Build and upgrade your solar system • Earn coins and unlock new upgrades • Defend the Sun from space invaders • Restore and protect your solar system • Complete evolving objectives and challenges • Enjoy satisfying idle progression and visual effects • Discover new solar systems as you progress

Merge, upgrade, defend and expand your way through the galaxy!