Good, relatively cheap indie games

Hello guys,I wanted to recommend you a few relatively cheap,and yet pretty good indie games.

-The Binding of Isaac $4.99 on Steam. One of the best indie games I've ver played. A must have.
-Gunpoint,currently $9.99 on Steam. Great stealth/action/puzzle game.
-Dungeons of Dredmor,currently $3.99 on Steam. It is so worth it,great rogue-like game.
-Hotline Miami,currently $8.49 on Steam. It is one of my favourite indie games.
-Space Pirates and Zombies,currently $9.99 on Steam. The title says it all,space pirates and zombies. What's there not to like?
-Super Hexagon,it is super cheap $2.99 on Steam.
-Aquaria,$9.99 on Steam. This one is very much worth it. Beautiful game,full of explorations,lost civilizations etc.. Great game!
-Machinarium,$9.99 on Steam. Great puzzle game
-Awesomenauts $9.99 on Steam. Awesome MOBA,it's like a simple version of LoL.
-Fez,also $9.99..Nice 2D platformer...
-Limbo,$9.99 is a very nice,fun 2D puzzle/platformer...
-Papers, Please,also $9.99...So much fun

Also be sure to often check humblebundle.com,as they always have some nice games on sale.