5. SteamWorld Dig
4. Pushmo World
3. Shantae and The Pirate's Curse
2. Shovel Knight
1. Knytt Underground
Honorable Mentions: Child of Light, Guacamelee, Thomas Was Alone.
Ok, so #1 was a late December 2013 release, but it shaped so much of my 2014 gaming that I have to give it credit because I didn't have an experience like it all year.