Asset editor: building Properties panel

About this game

Developer: Colossal Order · Publisher: Paradox Interactive · Platform: PC (Steam) · Art style: Realistic 3D · Screen type: City & Base Management

More Cities: Skylines screens in the Gallery

What to study

The asset editor exposes a building as an editable spec sheet: the right-hand Properties panel groups dozens of simulation values (size, milestone, attractiveness and entertainment accumulation, noise radius) into collapsible sections with plain numeric fields, while the lot itself stays visible for placing props. A red placement ring and a 'Space already occupied!' tooltip give the error in place, a counter tracks the prop budget (5 / 64 trees/props used), and a Day/Night Control slider at the foot lets the author preview lighting without leaving the editor. Frame at about 1:02 in the Trailer 2020 (Steam).

Patterns

How the screen is arranged.

detail-panel property-editor form-fields

Components

Parts on screen.

Toggle Slider Tooltip

Screen inventory

• Properties panel
• Size fields
• Milestone dropdown
• collapsible property groups
• numeric accumulation and radius fields
• prop placement tools
• Space already occupied tooltip
• trees/props used counter
• Day/Night Control slider

Top 3 colors

#404641 23%#af9b82 22%#7a794e 18%

Top three palette colors by share. The remaining colors make up the rest.

Source and credit

© Colossal Order / Paradox Interactive, Cities: Skylines screenshot: Trailer 2020 (Steam), shown for design study and commentary. PlayCraft is an unofficial fan project, not affiliated with or endorsed by Paradox Interactive.

Source tier 2 (publisher-released) · screenshot: Steam store page · Steam page

Source details

Fetched 2026-10-20. verified 2026-10-20: frame extracted from the official Trailer 2020 (Steam) and inspected visually; real game UI (asset editor Properties panel and placement tools) confirmed visible

Paradox EULA Section 6: free access, own commentary required

Rights holders: see Copyright & takedown.