Kingdom Hearts: Chain of Memories uses a decidedly action-based combat system, and, as such, it makes more sense to categorize it as an Action RPG, especially with the Mega Man Battle Network games' categorization as such establishing precedent for quirkier action-based battle systems still "counting" as Action RPG gameplay.
The final installment of the IQ series, The Revenge of the Einstein, includes some of the most difficult block puzzles ever created in a Zelda game. The already existing puzzles from the IQ and Conker, which were considered to be of a better design, were used in this game and remodeled to be even more difficult, yet some rare puzzles are brand new.
A very short hack with very difficult riddles, which will test the limits of your intellect, while still being beatable if you invest enough time into solving. The hack also has some “breathing rooms”, in which you don’t need to think much to proceed.
