On the face of CastleMiner Z, I guess most players are likely to think it as a MOD of MineCraft. In fact, they just look alike. CastleMiner Z is an action-adventure game with very high playability. It was developed by DigitalDNA Games, based on sandbox gameplay, and belongs to the survival type of zombie horror game.
Diablo 1 HD MOD is currently the most advanced and popular Diablo 1's HD mod package, made by Wojtek25. It includes two modification projects with code names: Belzebub (single-player) and Tchernobog (multi-player).
Windward is small sea-war indie game with very high playability and detail production with the sincerity. It was wholly (design/programming/UI) completed by a single person (Michael Lyashenko from Canada - well-known for developing the popular NGUI plugin for Unity game engine).
StepMania was originally designed as a game emulator of the famous and popular series of arcade game - Dance Dance Revolution (DDR for short, developed by KONAMI, a dancing machine game enjoyed great popularity for a time where you could see it in many game rooms) for PC, first released in 2001.
Rampage Knights is a Roguelike-RPG action game with emphasis on cooperation developed by Rake In Grass game studio. It is mainly inspired from two classic video games Golden Axe and The Binding of Isaac, and fuses the fast-paced design of beat 'em up games and adventure elements in dungeon crawler games.
King Arthur's Gold (KAG for short) is a side-scrolling RTS type of small indie game based on the elements of Medieval Europe theme. It came up with retro & pixel style and unique, rare originality, and of course got inspiration primarily from one old video game King Arthur's World on SNES platform.
Rogue's Tale is a small 2D A-RPG indie game developed by nibbe. Very high difficulty and time consuming are its two striking features, which also cause it grossly underestimated, but this does not affect the fact it is a superb work with a pretty high playability (such as numerous kinds of dead methods making players impressed).