
Cosmopolis-4x
A light, accessible space strategy game with real tactical depth.
In Cosmopolis 4X, you begin with a humble homeworld on the edge of a quiet starfield. The rules are simple, the map is inviting, and your first few turns feel calm and intuitive — but just beneath that simplicity sits a surprisingly thoughtful tactical playground.
Here are some highlights of features:
A single-currency economy with real logistics:
All production flows through one currency (stars), but where those stars live matters. Planets generate value locally, infrastructure determines whether it reaches your central treasury, and disruption can strand resources far from where you need them.
Compact, procedural maps with meaningful terrain:
Maps are small but dense, built around terrain that actively shapes decisions rather than serving as decoration.
-
Moons add localized income and incentives for expansion
-
Asteroids enable harvesting and economic specialization
-
Nebulas provide defensive cover and retreat options
-
Wormholes create asymmetric flanking, surprise attacks, and high-risk shortcuts
Planets defined by three core resources:
Each planet specializes in Gas, Metal, or Bio, influencing development paths, economic discounts, and strategic value. Colonizing a planet isn’t just expansion — it’s a commitment to defend and integrate it into your economy.
Capital and Homeworld mechanics:
Players have both a permanent Homeworld and a flexible Capital.
-
Losing your capital disrupts your economy
-
Losing both capital and homeworld eliminates you
-
Capitals can be repositioned to manage risk, but doing so creates new vulnerabilities
Veins as contested infrastructure:
Veins act as movement and economic arteries, enabling fast traversal and development bonuses.
-
Veins can be disrupted by enemy presence
-
Control flips when nodes change ownership
-
Bigger empires must actively defend their supply lines
Subversion through cloaking and infiltration:
Cloaked units can bypass defenses, maintain vision in fogged regions, and exploit blind spots.
Infrastructure and territory matter, but they’re never absolute.
Diverse ship roles, not just bigger fleets:
Combat and non-combat ships serve distinct purposes. Science vessels, traders, boarding ships, and cloaked units all shape the map in different ways. Economic ships are powerful but fragile, creating incentives for escort, positioning, and interception.
Expansion creates vulnerability:
Colonizing a planet increases your options, but also opens new attack surfaces. Securing space isn’t just about growth — it’s about deciding which systems are worth defending and which risks you’re willing to take.
Simple on the surface.
Deep enough to keep you thinking.
And this is just the start. More ships, perks, map types, and mechanics are on the way as Cosmopolis grows into a breezy yet surprisingly sharp 4X-lite experience.
| Status | Prototype |
| Platforms | HTML5 |
| Author | dotoking |
| Genre | Strategy |
| Tags | 4X, Casual, easy-to-learn, galactic-warfare, Sci-fi, Short, Singleplayer, Space, Turn-based Strategy |
| Average session | A few seconds |
| Inputs | Mouse, Smartphone |
Download
Development log
- Cosmopolis Devlog — Updates and Fixes Jan26 p.243 days ago
- Cosmopolis Devlog — Updates and Fixes Jan2653 days ago
- Cosmopolis — Space Stations Arrive72 days ago
- Cosmopolis — The Complex Economy78 days ago
- Cosmopolis — Veins for Travel and Economic Expansion86 days ago
- Cosmopolis Devlog — Introducing the Science Vessel95 days ago
- Cosmopolis — Wormholes97 days ago



Comments
Log in with itch.io to leave a comment.
Pretty good; I like it. Play is quite slow though, and it'd be REALLY nice if the enemy ships didn't look exactly like mine.
Thanks for the feedback. Working on new art so the ships aren’t so generic. 😁