小丑在两个摩天大楼之间捕获了蝙蝠侠。他正在黑暗骑士的头上扔各种施工材料。使用下落的混凝土块和金属梁爬到建筑物的顶部。提前思考并计划您的动作，以便块落在对您有用的地方。
Enable Flash in Chrome settings. When Flash is disabled, the label will read " Block sites from running Flash ".Click the toggle to enable flash and the label will read " Ask First ". Shown like the following:
Now Click And then,click " Allow " in the box that appears in the top-left to play the game.Shown like the following:
