What are /r/DungeonDefense's favorite Products & Services?

From 3.5 billion Reddit comments

Mystery of Fortune 2 is pretty close. It becomes a total grindfest after a certain point though.

https://play.google.com/store/apps/details?id=com.nsd.mysteryOfFortune2&hl=en

More heroes in your party, but dungeons time to beat increases with every new dungeon. So mid-game dungeons can take up to 5-10 mins to complete.

It's also less active, for example you create a party then watch them fight through the dungeon, only using potions throughout.

The leveling of heroes is a lot more in depth, and also there are custom rule sets for heroes to follow (attack enemy with highest def, use special after a certain amount of mana).

It goes free every couple of months.