The Demon bundle includes:
- The Dream Machine: Chapter 1 & 2
- The Dream Machine: Chapter 3 DLC
This content is delivered as a single key, labelled "Dream Machine 1&2" in your Bundle Stars account's order.
When you activate this key you will see "The Dream Machine" in your Steam library - right click on the game in your Steam library and select "View Downloadable Content" then you will see that 'The Dream Machine Chapter 3' listed.