Cities Skylines 2 Maps — Base Maps, Sizes & Editor

Cities Skylines 2 maps guide: complete breakdown of all 10 launching maps, 441 buildable tile limits, climate attributes, map editor, and modded maps.

By RogueWiki Editors · Last Updated: August 20, 2026

Cities Skylines 2 Maps Guide — Every Map, the Editor & Custom Maps (2026)

The short version: CS2 ships with 10 base maps, each with 441 unlockable tiles (21×21) and its own climate/vegetation theme system; CS1 has about 11 base maps with 9 tiles (moddable to 81). But for both games the real map library lives in the community — CS1's tens of thousands of custom maps on Steam Workshop, CS2's Paradox Mods plus the built-in editor. If you're searching "cities skylines 2 maps," you're either picking a starting map or hunting custom maps (including the famous Boston replica) — this guide covers all of it.

Cities: Skylines official screenshot (Steam store art)
Cities: Skylines official screenshot (Steam store art)


Official resources: Steam store page (CS2) · Steam store page (CS1) · CS2 official Wiki — Maps · CS1 official Wiki — Maps · Wikipedia — Cities: Skylines II

CS2's 10 Base Maps

CS2's maps split into theme groups (temperate/nordic, etc.), and each has a preset climate that affects snowfall, flooding, and other disaster events:

Map Character
River Delta Big river delta, rich water resources, beginner-friendly
Twin Mountain Twin-peak terrain, mountain building challenge
Barrier Island Coastal barrier island, waterfront/tourism city material
Lakeland Lake country, dense water networks
Windy Fjords Fjord terrain, steep elevation, scenery-oriented
Mountain Village Mountain-town layout, terraced building
Sweeping Plains Open plains (Canterbury Plains vibes), most flat land, top beginner pick
Great Highlands Highland hills, pronounced elevation changes
Tampere Lake city modeled on Tampere, Finland
Crimsonland Red-earth terrain, arid theme
Picking a starting map

Sweeping Plains (flattest) or River Delta (balanced water + flatland) are best for a first city; try Mountain Village or Windy Fjords for terrain challenges; scenery lovers go straight to Lakeland.

The tile system: CS2 gives you 441 tiles across the whole map (21×21, about 159 km² per the official Wiki) — a full order of magnitude over CS1's 9 tiles (81 with mods) and the Remastered's 25. Unlocking still works through milestones + buying tiles, but the ceiling is far higher. Individual tiles are smaller (denser simulation).

Cities: Skylines header
Cities: Skylines header

CS1 Map Comparison (For Veterans)

  • ~11 base maps: Black Woods, Cliffside Bay, Diamond Coast, Foggy Hills, Grand River, Green Plains, Islands, Riverrun, Sandy Beach, Shady Strands, Two Rivers (per the official Wiki).
  • DLC maps: expansions like Mass Transit and Campus brought new maps; there are also official Map Packs.
  • Tiles: 9 base tiles (81 across the full map); the 81 Tiles mod unlocks everything.
  • Scale reality: CS1's single-city cap is about 65,000 simulated citizens (CS2 has no hard cap — only your hardware). That's one of the biggest simulation differences between the two. The PS5/Xbox Remastered bumps CS1 to 25 tiles — see the platforms guide.

The Map Editor: Making Your Own

  • CS1: a full terrain editor (terrain/water/resources/roads) — it's precisely what spawned the Workshop's hundreds of thousands of custom maps.
  • CS2: the editor was rebuilt and built into the game (the official Wiki's Modding pages serve as beta docs) — maps, assets, and code mods can all be made in-game and published to Paradox Mods; the community has already built tooling around the new editor.
  • Basic flow: sculpt terrain → save the map → publish (Paradox Mods / Workshop) or use locally.

Custom Maps: Where to Get Them and How to Install

  • CS1 (Steam Workshop): subscribe → new game → the map appears in the list, one-click install; library size is in the hundreds of thousands.
  • CS2 (Paradox Mods + built-in editor): download maps/assets from Paradox Mods (official); in-game subscription syncs.
  • Famous works: real-city replicas are the community's crown jewels — Boston is the most famous (a long-running project with heavily reproduced streets and terrain), plus countless other cities and fictional themes.
  • Paid-content tie-ins: some DLC ships its own maps (like Bridges & Ports) — DLC list in the DLC guide.
  • Compatibility: CS1 maps don't work in CS2 (different map formats and entirely different content platforms — Workshop ↔ Paradox Mods don't talk to each other).
Two custom-map pitfalls

① Check mod dependencies: many Workshop maps require specific asset packs/mods — missing them means a "bald" city. ② Old-map compatibility: after CS1 updates, older maps often need fixed versions — prefer recently updated ones. Install methods in the sandbox guide.

Best Map Type Quick Reference

Need Recommendation
First-time player A flat map (CS2's Sweeping Plains)
Harbor/waterfront city Barrier Island / River Delta
Terrain challenge Mountain Village / Windy Fjords / Great Highlands
Real-city builder Workshop city replicas (Boston and friends)
Challenge playthrough High-difficulty resource/terrain maps (community "challenge maps")
CS1 veteran Jump into CS2's Twin Mountain (feels like the DLC mountain maps); gen differences in the 1 vs 2 guide

Frequently Asked Questions

How many maps does Cities Skylines 2 have?

10 base maps (River Delta, Twin Mountain, Barrier Island, Lakeland, Windy Fjords, Mountain Village, Sweeping Plains, Great Highlands, Tampere, Crimsonland) plus custom maps from Paradox Mods.

How do I use custom maps in Cities Skylines?

CS1: subscribe on Steam Workshop and it's installed. CS2: subscribe/download via Paradox Mods. Pick the map from the list when starting a new game.

Is there a Boston map in Cities Skylines?

Yes. Boston is one of the Workshop's most famous real-city replicas (a long-running community project), and it plays best on CS1.

What is the Cities Skylines map editor?

CS1 has a standalone terrain editor; CS2 built the editor into the game (maps/assets/code mods can all be made and published in-game).

Can I use CS1 maps in CS2?

No. The two generations use different map formats and different content platforms (Steam Workshop vs Paradox Mods) — nothing transfers.


For more guides, builds, and strategies, check out our Cities Skylines Hub.

Last updated: August 12, 2026.