The games are created with the help of some of the best 2D engines for sure. Now there might be some free 2D engines or you might have to pay for some.

' Castle Game Engine ', which is a game engine for making 2D/3D games, is software that can be downloaded for free. We can develop games for Nintendo Switch as well as for Windows, Linux, macOS ...

GameMaker throws shade at Unity, makes its 2D engine free or $100 for most For most games, a license is either free or the cost of a medium-nice dinner.