Hell is Other Demons from Swedish developer Cuddle Monster Games and publisher Kongregate might not be out for a few months yet but it sure does look exciting.
Moonlighter was already quite interesting, with the mix of action-RPG dungeon crawling along with working in a shop to sell your goods, now with the free Friends & Foes update it's even more fun.
Spread across three distinct campaign episodes, DUSK is a brutal retro-inspired shooter from David Szymanski and New Blood Interactive and it's now on Linux.
One Step From Eden fuses together deck-building with plenty of customisation and some fun looking action, it's also managed to get fully funded on Kickstarter.
BulletRage, releasing later this year is a twin-stick shooter from Chimera One Games that promises non-stop action and I've had a play with a preview build.