This app was mentioned in 7 comments, with an average of 2.29 upvotes
Orange Pixel has a few premium games that are now on sale for $0.99
https://play.google.com/store/apps/details?id=com.orangepixel.dungeon2
https://play.google.com/store/apps/details?id=com.orangepixel.spacegrunts
https://play.google.com/store/apps/details?id=com.orangepixel.gunslugs
https://play.google.com/store/apps/details?id=com.orangepixel.dungeon
https://play.google.com/store/apps/details?id=com.orangepixel.gunslugs2
https://play.google.com/store/apps/details?id=com.orangepixel.groundskeep2
Heroes of Loot 2 as well
https://play.google.com/store/apps/details?id=com.orangepixel.dungeon2