エクスプロードゲーム is a Freem! creator account whose profile describes a solo creator who is also active on YouTube. Its Freem! page also lists an earlier action game made in Unreal Engine 5, and its lit.link page links further games and apps the creator made with Antigravity, including a browser dungeon RPG.
Build a deck of unit cards, then move your troops in real time on a board in this free Windows beta; its solo developer says Gemini and Claude did the programming through Antigravity's agent.