For this range of platforms, these are your best options:
| Engine | Windows | macOS | Linux | Android | Best For | | :--- | :--- | :--- | :--- | :--- | :--- | | Godot | ✅ | ✅ | ✅ | ✅ | 2D, lightweight 3D, total control | | Unity | ✅ | ✅ | ✅ | ✅ | 3D, high-end visuals (heavy installer) | | SDL2 + C++ | ✅ | ✅ | ✅ | ✅ | Max performance, but you build everything | A Downloadable Game For Windows Macos Linux And Android
Recommended: Godot 4.x – It produces small, standalone executables with no extra runtime installers. For this range of platforms, these are your
Steam does not support cross-buy with Android generally, and the Mac versions are often afterthoughts. However, Itch.io allows developers to sell "Download All Platforms" bundles. When you buy a game there, you get access to every OS build immediately. Steam does not support cross-buy with Android generally,
The Download Process:
The headline feature is simple: When you buy Project Chimera, you receive a download key granting access to four separate, platform-native executables. No emulation, no cloud streaming lag, and no “mobile version” with stripped-out mechanics.