List of C++ small game engines (2D)

Question

Tell me witch game engines in your opinion are the best for newbie. Ofc someone could say unreal engine, but I'm talking about game engines where we can practice our code skills! And second reason is my wooden pc can't open unreal :(. Let's make a list of cool c++ game engines (2D).

Answer 1

gamebryo, ogre3d

Answer 2

Great answer Martin! Thanks to you