Looks like your game is set to restricted.
- Go to your developer dashboard.
- Go down to the game that you want to edit (in your case this would be Spaceful.)
- Under the game's title, you should see see several links saying Edit, Analytics, Widget, and more. Click on Edit.
- Scroll down to the very bottom.
- You should see a section that simply says "Published." Change this to "Public."
The game should now be available.