its a 3d map making engine z to swap between make and play v to save, b to load Play: w a s d q e to move. arrow keys to look. Make: arrow keys to move. w a s d q e to move selected object. t f g h r y to size object. x to create new object. c to cycle between objects. space to delete selected object
@mathmathmath has a tutorial which massively helped. I recommend checking it out if you want to make your first 3d game This is not supposed to be practical I just thought it was kind of cool