Spaceship Idle: Design, Build, Explore & Battle

Spaceship Idle is an idle/incremental 4X grand strategy auto battler where you build your own spaceship and engage in space battles. Research a vast tech tree, equip unique weapons, unlock powerful upgrades, construct bigger and better ships, win epic (auto) battles, and conquer the galaxy!

Unique Weapons for Epic Space (Auto) Battles

Arm your ship with a vast arsenal: devastating autocannons, high-energy laser arrays, explosive missiles, and cutting-edge experimental weapons. Each comes with unique abilities and synergies. Send your spaceship into battle and watch it engage in automated combat against AI opponents—or even other players.

A Vast Tech Tree with Powerful Upgrades

Explore a galaxy of possibilities through a massive, intricate tech tree. Research advanced weapons and unlock game-changing upgrades—catalysts, add-ons, directives, and elements—each providing unique mechanics and strategies to power up your ship.

Bigger, Better Spaceships to Rule the Galaxy

Each prestige lets you construct bigger and stronger ships—expanding your reach across the galaxy, forging alliances, and defeating your rivals. The galaxy is yours to command.