Deep 2

Deep 2 is an action game from ALO-Soft. Aliens from the planet Zybonia have built a control centre deep under the Earth to drag the planet off to their own solar system, and you dig down through the rock to stop them. It is freeware.

How to set it up

1. Install DOSBox Staging or another DOS emulator.
2. Unzip the download into a folder of its own.
3. Start DOSBox Staging and type mount c "<folder>\deep2", where <folder> is where you unzipped the download, then c:.
4. Type DEEP2.EXE to start the game.