Thousand Suns drops you into a galactic conquest where a full empire-building war plays out in roughly five minutes. Starting from a single home planet, you race against four AI rivals to spread your fleet across the galaxy and seize control before they do. Your homeworld produces ships on its own, and every neutral or enemy world you capture adds more production and more reach. The whole arc — from lone outpost to galactic dominance — is compressed into the time it takes to grab a coffee.
The core loop is straightforward: select a planet you control, then direct its fleet outward. Sending ships to a neutral or enemy world triggers an attack; sending them to your own world reinforces it. Every planet captured feeds more ships into your growing armada and tightens the pressure on the four bots racing alongside you.
When a planet levels up, a pulsing arrow appears above it. Clicking that arrow lets you choose the next upgrade for that world from three options: Industry, Agriculture, or Research. Picking the right upgrade for each planet shapes how quickly your production and capabilities grow.
Clicking and dragging from one of your planets to another establishes a ferry lane, which automatically routes newly produced ships to the destination. Clicking an existing ferry lane disconnects it, giving you direct control over where your production flows.
If the strategic, galaxy-spanning pace of Thousand Suns appeals to you, the broader collection of space games on Playgama is worth exploring for more cosmic strategy and sci-fi action. Tower Defense Galaxy Legend shares the galactic warfare theme and demands the same kind of strategic thinking across more than 100 missions with multiple tower types and enemy units. For a more relaxed take on building up a planetary empire, Galaxy Clicker lets you earn income from orbiting planets, buy new worlds, and merge them into larger ones at your own pace. Cosmic Convoy offers a sci-fi puzzle adventure where you chain resources across alien worlds and grow a fleet of specialised ships, echoing Thousand Suns' focus on expanding your reach across the stars.