据报道，《生化危机 9》正在开发中，可能会推出合作游戏三部曲。 Resident Evil 9 reportedly under development with possible co-op gameplay introduction, potentially launching a co-op trilogy.

《生化危机 9》可能会采用合作游戏玩法，这与该系列以往的游戏有所不同。 Resident Evil 9 may feature co-op gameplay, a departure from past games in the series. 这可能会导致未来翻拍的合作三部曲。 This could potentially lead to a co-op trilogy with future remakes. 据报道，Capcom 正在开发五款《生化危机》游戏，其中一款是尚未发布的《生化危机 9》。 Capcom is reportedly working on five Resident Evil games, with one being an unannounced Resident Evil 9. 合作游戏玩法的加入可能会改变该系列的游戏规则。 The addition of co-op gameplay could be a game-changer for the series.