About the Steam City UI window set
The three windows cover frame variants inside the Steam City progression: a primary build and upgrade menu, a reward popup framing for live-ops events, and a secondary informational dialog. Each frame ships with painted ornament and trim, slot regions for in-engine type, and overlay placement for primary call-to-action buttons.
Window proportions stayed inside a tight spec so the in-engine team can swap copy and reward art without re-painting the frame, supporting fast live-ops iteration during seasonal content drops.