User summary COLOSSEUM is a one-on-one duel card game. This game reflects many features seen in fighting video games, such as character-specific abilities, distance control, anticipating opponent's moves, three-way-deadlock skill interactions, and overdrive skills. With these features, this game provides an environment where players' risk and return fluctuate throughout the game. Publisher's summary 1vs1ã®å¯¾æˆ¦ã‚«ãƒ¼ãƒ‰ã‚²ãƒ¼ãƒ ã€‚å¯¾æˆ¦æ ¼é—˜ã‚²ãƒ¼ãƒ ã®èª­ã¿åˆã„ã‚’ã‚³ãƒ³ãƒ‘ã‚¯ãƒˆã«ã¾ã¨ã‚ãŸä½œå“ã§ã™ã€‚3すくみの相性を持つカードと、距離の概念を組み合わせ、常にリスク＆リターンが変動し続ける環境を構築しています。