Top 20 Grey Box Games
A land of discovery stretches out before you. Explore the beautiful yet rugged world of RiME, a single-player puzzle adventure. In RiME, you play as a young boy who has awakened on a mysterious island after a torrential storm. You see wild animals, long-forgotten ruins and a massive tower that beckons you to come closer. Armed with your wits and a will to overcome—and the guidance of a helpful fox—you must explore the enigmatic island, reach the tower's peak, and unlock its closely guarded secrets.
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Grey Goo is a real-time strategy game features three factions -- the Beta, Humans and Goo -- each with its own style, strategies and epic units (very powerful, rare combatants that tower over the battlefield). The game features a single-player campaign and competitive multiplayer options. Both single and multiplayer modes require planning and intelligent decision making to capitalize on the build tree system and multiple tech upgrades available.