Kulkises were a tribe of simple beings - capable of interacting with their environment using just the power of mind their needs weren't many. But when one day a young Kulkis decided to explore a cavern little did he know he'll enter a strange and unknown research complex... Bounce up-and-down. Change color. Destroy blocks. Avoid spikes. Kulkis is a small flash game originally released in mid 2011. This version of the game has some small additional features over the original including consolidation of the hard mode into a single file and respecting music's copyright.

http://armorgames.com/play/18361/kulkis