Just leaving a bit of feedback.
Without taking in account Moon Chronicles and the Dog Garfield Baseball game, I can recommend Azure Striker. Shovel Knight and Mighty Gunvolt may be good games, but I couldn't just enjoy them (they are too difficult for my taste), also the fact that I really started in the SNES era (even though I played a bit of some NES games with friends) may have something to do with my disappointment in these games.
Azure Striker, while it's a fairly difficult game, it's enjoyable and offers a non-frustrating experience due to the lack of a life system.
Quote: Azure Striker Gunvolt is not about staying alive, but about playing well.