What if Spelunk and Minecraft were mixed?
Download links (see about for more)
Vorago is a first person shooter that combines the voxels of Minecraft with the gameplay of Spelunky. Different levels of difficulty, loot and items add variety and replayability to the gameplay, and combined with random generation it results in fun times
The difficulty might be a bit harsh, but like many games keep trying and the game will reward your newfound skills!
If you have any issues it's mostly due to your GPU not supporting shaders, in which case I can do nothing :(