Rake in Grass participated in the Game GOTD with at least 6 of their games. One, Troll, is still available for free.
"The quest will take you through six lands from green plains, across the mysterious swamps and desert, through snowy mountains and dark horror forest to the terrible wasteland, the home of orcs. You will have to defeat many foes and face hideous and powerfull creatures to finally fight the freedom for peacefull people from the Plains. "
They are also giving away a shooter, Advent Annihilation Westbang.
"Wipe out hordes of lunatic Santas, elves and reindeer attacking your bank. "