Best singleplayer and rpg games on xbox one Between mastery and instinct, Black Book pushes your limits. While not perfect, Cardaclysm: Shards of the Four has some hypnotic moments. Griftlands has a few great ideas hidden behind classic gameplay. Gwent: The Witcher Card Game mixes RPG and Strategy with varying success. Library Of Ruina tries to innovate with unique poker mechanics. Monster Slayers offers a simple yet charming take on Action. Nowhere Prophet offers a decent RPG experience. The Amazing American Circus fails to capitalize on its explosive combos.