A blast!
Okay so the first game is a blast and the 2nd added a lot of improvements and is much much longer. Unfortunately the sequel is bloated with just absolutely unheard of difficulty spikes that require heavy grinding. You will have to grind for hours, yes, HOURS to farm enough gold to advance the story. Because of this, it is a very long game. But it’s free and it works on airplane mode. The ads are wild. You will be saving your progress a lot because overleveling to beat your enemies is not a viable strategy and when you die you lose a HUGE amount of gold. It’s a great concept. The first was a perfect proof of concept.