Caveman World: Mountains of Unga Boonga

Summary pulled directly from Steam - Some text may only be applicable to Steam platform

Caveman World: Mountains of Unga Boonga is a retro inspired 2.5D platformer adventure game set in fantasy prehistoric time. You play as a Caveman, exploring various levels and overcoming physical obstacles. Levels become increasingly more difficult as you encounter new enemies, obstacles, traps and more!