Fissionary - Demo Devlog - itch.iohttps://swan-e93.itch.io/fissionaryBuild explosive chain reactions, collect matter, and push your reactor to the edge of catastrophe.https://swan-e93.itch.io/fissionary/devlog/1705069/fissionary-free-demoFissionary - Free Demo!https://swan-e93.itch.io/fissionary/devlog/1705069/fissionary-free-demoTue, 13 Oct 2026 09:15:09 GMTdevlog

One spark can become a runaway reaction. How far can you take it? The free Fissionary demo is available now on itch.io. Choose your particles, start a chain reaction, collect matter, and research upgr...

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