Three Rings Designs

Spiral Knights is a massively multi-player online role-playing game developed by Three Rings Design and published by Sega. In the game, the player controls a knight of the Spiral Knights order, which has crash-landed on the mysterious planet Cradle. Knights collectively explore the Clockworks, the mechanized, constantly reorganizing dungeon that fills the planet's interior. The knights equip armor and weapons to aid them in their battles against the monsters inhabiting the Clockworks.

Yohoho! Puzzle Pirates is an addicting 2D MMOPG (MMO Puzzle Game) from Three Rings Designs. The game offers both free game play, and pay options. In addition, it offers International Seas (Servers) and is available for Windows, Mac, and Linux. Finally, the game offers full-screen and window gameplay.

Bang! Howdy is a 3D online strategy game, in a steam-powered wild west world, from Three Rings Designs. It is available for Windows, Mac, and Linux; and offers full-screen and window gameplay.