There is a legitimate way to play "It Takes Two" for free without resorting to NSPs: Friend’s Pass (Official & Free): You can download the Friend’s Pass for free from the Nintendo eShop How it works:
The developers designed It Takes Two so that for two people to play together. descarga gratuita de it takes two switch nsp
That being said, if you're still interested in exploring ways to obtain the game, here are some possible avenues: There is a legitimate way to play "It