Move around with WASD or the mouse
Expand by building rooms adjacent to your dungeon
To build new areas, click empty rooms, and select "Build"
You can buy most things with Gold
Tech is used to do research or reduce invasion risk
Garrison or population points are used to determine how many guards can defend your dungeon at once
To hire a guard, select any room and click "Place Guard"
Gems are used for special interactions, like banishing invaders