Save File Deletion Update Announcement – March 20, 2026 — Cardtonia Steam update #367463

Hi, Cardtonia players! Over the past 40 days without updates, I've been focusing on a major optimization overhaul of the current demo. Due to the scale of these changes, previous save files will no longer be compatible with the new version.Since releasing the demo, based on your feedback and gameplay data, I need to be honest and report that Cardtonia fell short in the following areas:1. We made you feel frustrated too early. With our cute art style, it's easy to mistake this for a lightweight deck-building roguelike. However, I'm actually a seasoned player of games like Battle Brothers and Darkest Dungeon. As the developer, my taste in games influences what I create, and I initially misjudged the learning curve for Cardtonia.2. Too much build freedom made dominant strategies too obvious. Those of you who have cleared Cardtonia four or more times might have noticed that "pretty much any ...