Spiral Knights: Operation Crimson Hammer

Global, Action, RPG, Adventure, Massively Multiplayer, Free To Play, Multi-player, Steam Achievements, Partial Controller Support, Single-player, Co-op, Steam Leaderboards, Downloadable Content, Cross-Platform Multiplayer, MMO, Tradable

Link to the game in Steam

Challenge Warmaster Seerus and claim his mighty weapons for your own in this all-new Expansion Mission Pack!