: The engine used to build the game, GameMaker Studio 2, updated its runners. While older versions produced 32-bit executables, newer implementations (especially those handling web sockets and modern features) are optimized for 64-bit systems.
Deltarune , as distributed officially via Steam and Itch.io, is a 64-bit native application . Toby Fox’s development team (using GameMaker Studio 2) compiles the game for 64-bit processors by default. If you download the game on a 32-bit Windows 7 or 32-bit Linux distribution, you will receive an immediate error: "This app can't run on your PC." deltarune 32 bit