Hello Freeman, and welcome to the audiogames.net forums. First, congratulations for giving us a full experience with playing with the mouse. There some other audiogames that make use of the mouse, but not one that is entirely played using it, besides, perhaps, Aprone's Daitona and the book of gold. Honestly, I liked the game so far. I'd just suggest, though I'm not so sure if there is already one, is a sound to indicate our character to serve as a reference. Thanks once again for the experience.
Best regards, Haramir.

Many thanks for trying the game and providing helpful feedback. I will have to think about how to describe the use of the mouse in more detail.
For the moment I will just add the following notes.

Each level is designed on a grid, so the rooms, walls and doors are all grid aligned.

The mouse is free to explore the level within a fixed distance of the player. So the player always remains at the centre.
As the mouse or player moves into a new grid square then the program produces a tone relating to the general room type. When the mouse moves into a new room then the program speaks the name of the room.
The player also hears the nearest object, within a limited arc, in the direction of the mouse. The volume varies with distance and relative angle. Each object has a repetitive audio signature, including doors.
There is a separate sound for when the mouse enters a grid square occupied by an object.

One technique is to move the mouse in a small circle, to scan your location like a radar.

The player moves in a straight line directly towards the position of the mouse, in steps that are a fraction of the size of a grid square. But you hear a room tone every time you cross into a new grid square. Obviously, you have to be careful not to hit a wall or robot otherwise you get a shock.

Corridors, junctions and doorways are always empty. Only rooms contain robots or treasure.

Hopefully, in this way, the mouse provides a greater degree of freedom of movement, and sensing. I'm hoping to use similar techniques in other games of different types.

How do I use this with a Mac trackpad? I'm running Windows inside a virtual machine and find using the trackpad to be impossible. Do I need to attach an actual mouse or is there any way to play with a trackpad?

It works because I'm running a virtual copy of Windows XP inside VMware Fusion. It should also work just fine using BootCamp since that's running native Windows on the Macintosh hardware. My question was more about the trackpad. Is it possible to play this game using a trackpad on a Mac or any kind of trackpad you would find on standard Windows machines?

I think I've solved the mouse issue. I guess I have to drag my finger around the trackpad to hear all the menu options. I guess I was expecting to flick around. I'm too used to touch screens, not the mouse pointer in Windows. Anyway, I've got the game going now but am very confused. When I start, I hear a bunch of beeps and tones. When I drag my finger on the touchpad, it tells me there is a corridor and a junction and some other things like walls. How do I move? I tried right clicking or control clicking on the Mac to simulate a right click but nothing happens. Is a right click supposed to move?

please add an option to control by keyboard or joystick. arcade games like this demand a responsive control scheme. IMO the mouse is not Ideal for such games.