The 1 October 2026 developer post places UI themes in Inventory → UI Themes and adds a corresponding BongoDex collection. It also explains selecting an entry in All Passes to activate progress for that pass.[1]

Understand the distinction
The post describes the Halloween-themed pass and plans for theme drops. A dated announcement about future chest availability is not proof that a reward is currently in every player’s pool.[1]
Suggested checklist
Limits and next steps
Availability is tied to the announcement date. In-game descriptions establish what can be claimed now.[1]
Continue with Bongo Cat multiplayer layouts: keep your screen usable.
Sources & verification
Facts last checked Oct 31, 2026. Checking a source does not change the page’s update date.
- UI THEMES are here! Irox Games · official · Published 2026-10-01 · Checked Oct 31, 2026
Developer announcement body retrieved through Valve’s public ISteamNews API. Dated statements may be superseded by later announcements.
Original language: en - Bongo Cat — official Steam listing Irox Games / Valve · official · Checked Oct 31, 2026
Steam desktop listing checked through Valve’s public appdetails API. Platform and requirements fields describe this storefront edition, not every console release.
Original language: en
Page history
Published an original English source-linked explanation with scope limits and a suggested checklist.
A source and a little context help us keep this guide useful.