This Side-On Voxel Mining Game is turning out to be a fun little game and with more stuff still to come I think it will only get better.
Follow the game at the link below to be kept informed of updates and download news.
Link: Gold MIning Game

Included so far
1) Water which can flood the mine and is random for each new map
2) TNT which can be used to blast away areas
3) Single Block mining with rewards
4) Ladders
5) Lights which can reveal greater resource information
6) Water Pumps which can be used to remove water
7) Block safety with danger of falling rocks
8) Mine Supports to secure dangerous areas of the mine
9) Mine platforms to help you navigate the mine more easily
10) a new randomly generated map each new game
11) A shop to buy new mining equipment