MOLTYN: A Superhero Physics Sandbox Where You Melt Terrain and Throw It at Bad Guys

Australian solo developer Hingston Digital has released a free Steam demo for MOLTYN, a superhero physics sandbox where everything is simulated matter. The demo includes 5 story missions, 7 powers and the full sandbox island, and runs on Steam Deck. Early Access launches 12 November 2026 on PC (Windows) and Steam Deck, adding 10 missions, every sandbox world and local PvP.