Seed dead worlds, terraform them into living ones, and outgrow your rivals.

Starseed is a minimalist real-time strategy game set among the stars. Your planets produce glowing seeds, and seeds are the only thing you command. Send them to capture barren worlds, grow your home planets, and wear down rival factions. The bigger swarm wins.

GROW YOUR WORLDS
Send seeds into your own planets to terraform them: Oceans, then Biosphere, then Civilization. Each stage raises output. At Civilization, specialize each world as a Forge, Bastion or Beacon to shape your strategy.

SIMPLE TO PLAY, HARD TO MASTER
• Tap one of your planets, or drag a circle around your seeds, to select them
• Tap any planet to send them: grey worlds get seeded, rival worlds get worn down
• Park seeds in open space to flank and set up ambushes
• Pinch to zoom and pan around larger maps
• One seed cancels one rival seed, so timing and numbers decide every fight

A CAMPAIGN ACROSS THE GALAXY
Fight through five chapters of handcrafted sectors, each with new twists:
• Orion Arm: learn to seed, terraform and fight the Blight
• Cygnus Drift: wormholes, orbiting worlds and the Prism
• Perseus Deep: fog of war, black holes and unstable stars
• Carina Expanse: derelict worlds, ion storms and three-way wars
• Galactic Core: the Hollow, and every hazard at once

Every chapter ends with a boss sector. Earn up to three stars per sector and chase your best times. Choose your rival strength for each sector, from Easy to Hard.

SKIRMISH
Jump into a randomly generated, mirrored map for a quick fair match whenever you like.

ATMOSPHERIC SOUND
An adaptive soundtrack is synthesized live as you play and responds to how the battle is going.

FREE TO START
The first chapter, Orion Arm, and Skirmish are free. Unlock the rest of the campaign, plus every chapter added later, with a single one-time purchase. No ads, no subscriptions.