Paper Kingdoms key art · Sample image (generated)

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Paper Kingdoms

A city builder drawn on folded paper.

Fictional sample record used to demonstrate the layout — not a real game.

Genre: Strategy Simulation
Developer: Fold Studio · Team
Release date: Oct 14, 2026
Price: Free demoDemo
Languages: EnglishEnglish, German
Unverified
Gameplay: City Building
Development method: AI-Assisted
AI coding tools: Cursor Claude Code

View demo on Steam All ways to play ↓

Links go to the official store or developer page. Last verified Oct 28, 2026.

Where to play

Every platform this game is on. Links are checked against official sources; we never host or mirror games.

SteamDemoFree
Download through the Steam app. A free Steam account is required.
Desktop · Steam
View demo on Steam

About Paper Kingdoms

A cozy city builder where districts unfold like pop-up book pages. Currently available as a Steam demo ahead of release. The four-person team uses two AI tools and has described their workflow in a series of short videos.

cozypapercraftdemo-available

How it was built

Verified

CursorPrimary

Day-to-day gameplay and UI code.

Developer ReportedHow we build Paper Kingdoms (video series)

Claude CodeSecondary

Large refactors and the save-format migration.

Developer ReportedHow we build Paper Kingdoms (video series)

Development approach

Editor-first workflow, with an agentic tool brought in for repository-wide changes.

Engine / framework: Unity
Languages: C#
Team size: 4 peopleDeveloper ReportedFold Studio
Development time: 1 yearsDeveloper ReportedFold Studio
Development cost: Not disclosed
AI-written code: ~50% of shipped codeDeveloper ReportedFold Studio

Workflow video series

Verification notes: Workflow shown on video.

Game performance

Illustrative

Each figure measures something different — concurrent players, owners, downloads and sales are never interchangeable and are never added together. Labels show where each number comes from.

Steam

DemoFree Store page

All-time peak concurrent players

Observed

410

Illustrativeas of Oct 28, 2026Steam

Demo only.

Not publicly available: Concurrent players, Steam reviews, Positive Steam reviews, Estimated owners, Gross revenue.

Sales & revenue (all platforms)

Copies sold

Not disclosed

Not yet released.

Reviews & rankings

Editorial review

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Sources

Source	Type	Published	Accessed
Paper Kingdoms — Steam page (demo) Steam	Store page	Not confirmed	Oct 28, 2026
How we build Paper Kingdoms (video series) Fold Studio	Press	Not confirmed	Oct 28, 2026