What it is
Castle Festival is a browser rhythm game built in Unity by itch.io creator cowdj08. Guests bounce in time with the music, and you tap on the beat to send each one through a castle window, across three themed castles. The author says OpenAI Codex helped write the C# code, generated the castle and landscape geometry and materials, created the synthesized music and sound effects, and took part in iteration.
Who it's for: Players who like one-button rhythm games that follow the beat.
Before you start: It plays free in the browser, with click, touch or the Space key according to the author. The screenshots are in English; the full language list, age rating and whether scores are recorded online aren't stated. Based on the game page's public information. Not tested by AI Inspiration World.