First up is award-winning arcade real-time strategy game from Oxeye Game Studio, Harvest: Massive Encounter, co-created by current Minecraft lead coder Jens Bergensten, and downloadable for Windows, Mac and Linux on Steam, Desura and DRM-free. In this RTS/tower defense title making its first-ever bundle inclusion, offering battles of epic proportions with a unique style of resource management and exploration. According to IGN, "Harvest is a tower defense game with a goal of achieving high scores rather than a congratulatory, 'You've triumphed! The galaxy is safe again,' followed by a 'Game Over.'" So it's a perfect way to while away the summer days inside!