C.O.I. Skylines - Linked Cities
v1.0.3All City Blocks share one economy, service modules can be placed anywheres, and a toggle for the snap grid when building cities.
- Source code
- No source provided
- Tags
- Overhaul Balance Quality of Life Tweaks Settlement
One global settlement economy + Town Service Module & Snap-Grid placement Anarchy🏙 Linked Cities
• City Blocks & Town Services can be built anywhere while all sharing one global economy.
• Demand still exist, but in a global shared pool that can be satisfied at any location.
• The inspection panel for all city-blocks will show global supply & demand statistics.🏥 Linked Town Services
• Town Services no longer require to be attached to a city building to supply the global settlement.
• Retains all normal inputs, outputs, buffers, capacities, needs and satisfaction effects, workers, power, maintenance, and logistics requirements.
🪧 Deconstruction Anarchy: Removes restrictions on deconstructing interior city-blocks
⏹️ Snap-Grid Toggle: Press G to toggle snap-grid while placing City Blocks and Town Services.
🌆 Linked Cities & Town Services Demo — Click here to watch on youtube
🌆 Features coming soon™️
• Decoration Tile Anarchy—v1.0.4—Remove the requirement that decoration tiles must be snapped to city blocks, while retaining unity mechanic and the maximum reach of 3x3 city blocks.
🏭 Supports: Captain of Industry 0.8.6 - 0.8.7a
• Linked Cities will ALWAYS remain ✅ save-remove-safe 💾
• COI Skylines related mods including assets will be split into a separate mod
Build Stunning Skylines
Recommended City-Builder-Vibe Mod-pack:
• Mor Decor — Decorative Bushes, Grass, Flowers, Rocks & Mulch
• BetterLife — Decorative Roads, Signs, Walls & Buildings
• Flipped-Modules — Decorative, and compatible
• Tree-Anarchy — Decorative, plant trees closer together on any terrain.
• Truck Parking — Every metropolis needs vehicle parking!
• Highway Roads — Transportation infrastructure
• Cargo Flight — A true airport runway
• Cargo Helicopters — Extended air cargo delivery
• My Airship — that one DLC that adds a blimp.
• Shipping++ — Sea channel transportation services
Become the true real estate mogul you've always dreamt of being, without the logistical speghetti!
💾 Add-Saves & Removal
Existing settlements may wait until the next in-game month before their first link.
• Removing from a Save
↪ The mod registers no custom gameplay entities or prototypes and is marked as removable from saves.
↪ Your citizens will probably feel sad and isolated once link is gone
⚠️ If you find totals that differ from an equivalent vanilla connected city, please report them so any missing data can be corrected.
🖼️ Share you builds!
I would love to see what you guys come up with once your cities are linked. Custom Food Districts, hospitals, parks, modded assets → Your industrial smog-filled skies are the limit! Post here
I'll get started = )
If your working on a mod that falls into the City-Builder aesthetic and would like to be on the recommend list, hit me up!
No announcements yet.
v1.0.3
Latest- Game version
- 0.8.6 - 0.8.7a
- Released
- Aug 19, 2026
- File size
- 3.6 MB
- License
- CoI-Keep
===================== LINKED TOWN SERVICES ===================== - Town Services can now be placed away from City Blocks without requiring a settlement slot, while still participating in the shared Settlement economy. - Detached Town Services retain their normal inputs, outputs, buffers, capacities, needs and satisfaction effects, workers, power, maintenance, and logistics requirements. - The existing snapping-grid toggle is now available while placing Town Services. Keep snapping enabled as an optional alignment helper. - Any City Block may be removed as long as at least one City Block remains. The final City Block is protected until all Town Services have been removed. - Properly registered modded Town Services should automatically receive detached-placement support. - This feature is in public beta. If any issues are found, please report them, and they will be addressed with top priority.
v1.0.2b
- Game version
- 0.8.6 - 0.8.7a
- Released
- Aug 18, 2026
- File size
- 3.6 MB
- License
- CoI-Keep
===================== SNAPPING GRID TOGGLE ===================== - Added a toggle for the City Block snapping grid, allowing nearby City Blocks to be placed freely without being pulled into existing settlement slots. - While placing City Blocks, click the toggle in the placement toolbar or press G to toggle the snapping-grid. - Toggle Snapping-Grid's keybind can be changed in Escape Menu → Controls. - Verified compatibility with Captain of Industry 0.8.7a.
v1.0.1
- Game version
- 0.8.6 - 0.8.7
- Released
- Aug 09, 2026
- File size
- 3.5 MB
- License
- CoI-Keep
- Rebuilt and verified compatibility with Captain of Industry 0.8.7 while retaining support for Captain of Industry 0.8.6 through 0.8.6c. - Fixed startup failing when Linked Cities was enabled without another Harmony-based mod by ensuring the bundled Harmony library loads first.
v1.0.0
- Game version
- 0.8.6 - 0.8.6c
- Released
- Aug 07, 2026
- File size
- 3.5 MB
- License
- CoI-Keep
- Public beta: links every player City Block into one shared vanilla Settlement economy, even when towns are physically separated across the island. - Population stats will show shared/combined population, housing, food, water, wastewater, electricity, household goods, appliances, electronics, luxury goods, computing, healthcare, waste, recyclables, biowaste, health, and Unity stats across all linked City Blocks. - Allows exterior, interior, and bridge City Blocks, including unbuilt plans, to be removed without requiring the physical town to remain contiguous. Attached settlement services must still be removed first. - Can be added to existing saves. Established settlements with active monthly history may finish the current month before their first link. - Registers no custom gameplay entities or prototypes and can be removed from saves. Already-linked vanilla Settlements are not automatically split apart when the mod is disabled. - Mod will be considered stable once all deep late-game testing is complete and mod proves to correctly preserve accurate math across all population data under equal input/output conditions. In other words, the same amount of city tiles should produce the EXACT same demand, satisfaction, intput, and output numbers whether they are connected, or separated. Early-to-Mid game testing has proven correct so far, but there's alot of edge cases to test by myself that require many hours of beta testing. — If you notice any incorrect population data, please report so I can ensure all game balance & population systems remain preserved & unbroken.
v1.0.3 | 2026-08-18
===================== LINKED TOWN SERVICES ===================== - Town Services can now be placed away from City Blocks without requiring a settlement slot, while still participating in the shared Settlement economy. - Detached Town Services retain their normal inputs, outputs, buffers, capacities, needs and satisfaction effects, workers, power, maintenance, and logistics requirements. - The existing snapping-grid toggle is now available while placing Town Services. Keep snapping enabled as an optional alignment helper. - Any City Block may be removed as long as at least one City Block remains. The final City Block is protected until all Town Services have been removed. - Properly registered modded Town Services should automatically receive detached-placement support. - This feature is in public beta. If any issues are found, please report them, and they will be addressed with top priority.
v1.0.2b | 2026-08-18
===================== SNAPPING GRID TOGGLE ===================== - Added a toggle for the City Block snapping grid, allowing nearby City Blocks to be placed freely without being pulled into existing settlement slots. - While placing City Blocks, click the toggle in the placement toolbar or press G to toggle the snapping-grid. - Toggle Snapping-Grid's keybind can be changed in Escape Menu → Controls. - Verified compatibility with Captain of Industry 0.8.7a.
v1.0.1 | 2026-08-07
- Rebuilt and verified compatibility with Captain of Industry 0.8.7 while retaining support for Captain of Industry 0.8.6 through 0.8.6c. - Fixed startup failing when Linked Cities was enabled without another Harmony-based mod by ensuring the bundled Harmony library loads first.
v1.0.0 | 2026-08-02
- Public beta: links every player City Block into one shared vanilla Settlement economy, even when towns are physically separated across the island. - Population stats will show shared/combined population, housing, food, water, wastewater, electricity, household goods, appliances, electronics, luxury goods, computing, healthcare, waste, recyclables, biowaste, health, and Unity stats across all linked City Blocks. - Allows exterior, interior, and bridge City Blocks, including unbuilt plans, to be removed without requiring the physical town to remain contiguous. Attached settlement services must still be removed first. - Can be added to existing saves. Established settlements with active monthly history may finish the current month before their first link. - Registers no custom gameplay entities or prototypes and can be removed from saves. Already-linked vanilla Settlements are not automatically split apart when the mod is disabled. - Mod will be considered stable once all deep late-game testing is complete and mod proves to correctly preserve accurate math across all population data under equal input/output conditions. In other words, the same amount of city tiles should produce the EXACT same demand, satisfaction, intput, and output numbers whether they are connected, or separated. Early-to-Mid game testing has proven correct so far, but there's alot of edge cases to test by myself that require many hours of beta testing. — If you notice any incorrect population data, please report so I can ensure all game balance & population systems remain preserved & unbroken.
This mod has no dependencies.
No other mods depend on this mod yet.