What do I do with the model in the game room

Hint 1 of 12:

Did you notice something of interest in it?

Hint 2 of 12:

Namely the diamond ring.

Hint 3 of 12:

Play around with the controls. Write what each one does.

Hint 4 of 12:

You need to step on the tanks.

Hint 5 of 12:

Swipe at the planes. Now walk on a little further.

Hint 6 of 12:

You can't destroy the missle itself.

Hint 7 of 12:

Destroy its controller. The truck.

Hint 8 of 12:

Step on it with the dog's hind leg. Walk further if need be.

Hint 9 of 12:

Now come up to the tower where the diamond ring.

Hint 10 of 12:

Grasp it & keep walking to the edge of the dome.

Hint 11 of 12:

Breathe fire on the dome.

Hint 12 of 12:

Do it 3 times. Now reach in the hole & take the ring.