Tag
4 catalogue entries use this topic; each Project's license policy is labeled separately.
Free 2D and 3D game engine with no royalties
Godot ships a complete engine, editor, and export pipeline under the MIT licence, which means no royalties, no revenue thresholds, and no licensing conversation before a project starts.
Open-source no-code engine for 2D, 3D, and multiplayer games
GDevelop is an open-source, no-code game engine that builds 2D, 3D, and multiplayer games with visual events instead of programming.
Modern game engine on Valve Source 2 with C# and live hotload
s&box is a modern game engine built on Valve's Source 2 and .NET that creates games in C# with millisecond hotload and a Unity-like scene system.
Commercial game engine with the widest platform reach
Unity's advantage is distribution. Console certification, mobile export, XR headsets, and the middleware ecosystem around them are all solved problems, which is why studios keep choosing it even after several rounds of unpopular licensing changes.