A free app for Windows, by Lestoph.
In Skull Cavern: Modular Mining, you will play a miner in a world full of minerals. But this time, you will not mine stone, but skull bone. The goal of the game is to break them and sell them for money.
The elevator will not work if the floor is not reached, so you will need to climb the ladder until you reach the top. After that, you will have to press the button, and the elevator will be opened. It is also possible to open it manually.
When you go down, you will be transported to a new level.