Ok. Game runs generally on (also my made) GLEngine, which is OpenGL wrapper, that includes TGLTimer component too.
GLEngine has a simple LoadTexture-function that accepts graphics formats BMP, PNG and JPG, all with possible alpha channel.
Basically GLEngine is only a tool for helping hard coded OpenGL (DelphiGL 1.5 headers), so game source has lots of glTranslate... and so on, GL calls. Menus and dialogs use GLMenuObjects and Delphi forms.

About sounds, i may be forced to use DelphiX, however there is no sounds yet in game. I need some wav files first... really need help with that.

Musics and possibly videos could be done with TMediaPlayer component, using MP3 and AVI formats. Also it would be possible to make 3D cinematics using GLEngine.