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Space strategy in a nutshell. Astro Protocol is a turn-based space 4X where each game takes 1 to 2 hours. Explore the galaxy, colonize new worlds, research powerful technologies and command deadly fleets. No diplomacy, pure conquest. Turn based strategy at its core.

Astro Protocol is a cosmic simulation program overseen by six rival galactic factions. On this platform, the fate of the galaxy gets determined by every battle, anomaly, and advancement.

Explore a unique hex-based galaxy map

Each map offers a new procedurally generated layout — and a new challenge. Explore bright stars, dangerous asteroid fields, resource-rich gas giants, habitable planets, and mysterious anomalies.

Discover anomalies and unlock powerful rewards

Anomalies are events where everything can happen. Each anomaly is AI-free and features hand-crafted art by the talented artist Sami Rouhiainen. Choose from powerful, game-changing rewards that shape each run in a different way.

Colonize and terraform planets to expand your empire

Some planets are ready for colonization, while others must be terraformed to support new forms of life. Establishing colonies expands your supply network, lowering energy upkeep costs and enabling deeper exploration. The more colonies you control, the more resources you’ll generate to fuel your growth across the stars.

Build space stations and ships to control the stars

Build space stations to harvest nearby resources from gas giants, stars, and asteroid fields. Use those resources to build ships with unique roles — from agile scouts to long-range carriers and heavily armored battleships. Shape your fleet to fit your strategy and gain control over your rivals.

Research new technologies to gain the upper hand

Mix and match technologies from three unique tech branches, each offering powerful upgrades that shape your strategy. With randomized technology options and limited research capabilities, no two runs are the same — making every decision matter.

Crush enemy fleets

Every ship has two attack stats: the number of strikes per round and the damage dealt by each strike. Whether your enemy is heavily shielded or armored will determine the tactics you’ll need to use. Shields regenerate each turn, but armor is permanent — choose your attacks carefully to exploit enemy weaknesses.

Race for victory points against rival factions

Gain victory points by controlling planets and stations and by discovering anomalies.

The first player to reach the required victory points wins!