They have The Gallery - Episode 2: Heart of the Emberstone for 50% off ($14.99 usd) at the moment on steam, cheapest I have seen
https://store.steampowered.com/app/526140/The_Gallery__Episo…
If you already own The Gallery - Episode 1, if you buy the bundle you get it for 55% off ($13.49 usd).
https://store.steampowered.com/bundle/5046/The_Gallery__EP1_…