DYO 是一款 2D 解谜平台游戏，一名或两名玩家都能玩。你操控两个牛头人，各自被困在分屏的一半里，只有一起配合才能逃出受诅咒的迷宫。核心机制是把两半屏幕合并成一整块，这样角色就能从一侧跳到另一侧，再拆开分屏，把关卡结构重新摆布，为出口铺出一条路。整个过程围绕着反复合并、拆分和调整关卡展开。
这是一款本地合作游戏，两个人在同一台设备上一起玩。没有两个手柄也没关系，一个手柄两人共用同样可以玩。单人也能独自挑战。关卡里没有需要精准跳跃的操作，没有敌人，也没有计时器，靠的全是动脑。30 个关卡大约 3 到 4 小时的流程，每个关卡都可能有不止一种解法，有些解法连开发者自己都未必想到过。
DYO 于 2014 年作为四名游戏设计专业学生的假期项目起步，之后拿过若干奖项，也在世界各地展出过，2018 年才正式在 Steam 上线。游戏支持 Remote Play Together，方便远程和朋友一起玩。官方的建议是找个人一起玩，才能体验到 DYO 最好的一面。
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