When comparing Firemonkey vs GameApi, the Slant community recommends GameApi for most people. In the question“What are the best 3D game engines?” GameApi is ranked 58th while Firemonkey is ranked 68th. The most important reason people chose GameApi is:
In order to enable creation of 100 different kind of games, GameApi features are fully supporting all combinations of the existing features. This allows for huge amount of flexibility. The API carefully documents all dependencies between independent plugin-like modules and allows for combining their features in c++ code.
Ranked in these QuestionsQuestion Ranking
Pros
Pro Multi platform
It's available for Windows, OSX, iOS and Android.
Pro All combinations of the features are working
In order to enable creation of 100 different kind of games, GameApi features are fully supporting all combinations of the existing features. This allows for huge amount of flexibility. The API carefully documents all dependencies between independent plugin-like modules and allows for combining their features in c++ code.
Pro Selection of 2d and 3d algorithms and techniques that construct opengl vertex arrays
The library is based on constructing opengl vertex arrays for 2d and 3d features including changing mesh colours, attaching textures, building larger worlds from smaller meshes, selection of predefined meshes like spheres, cubes and cones, Model loading from .obj files. Font support, gradient and other 2d bitmap operations, creation of 3d objects from bitmaps, Manipulation of points, lines, faces.
Cons
Con Fairly new
It's about 2 years old, but still feels lacking compared to other engines. The main aim is desktop applications rather than high performance games.
Con In alpha
GameApi has just recently moved from pre-alpha to alpha status.