Flag0
- Take a look at the source for the page
- Does anything seem out of the ordinary?
- The page looks really plain
- What is that image?
没有任何难度的一关，只是为了说明这个游戏怎么玩，打开页面只有一句话,其他什么也没有
Welcome to level 0. Enjoy your stay.
查看下网页源代码，发现有个图片
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<!doctype html>
<html>
<head>
<style>
body {
background-image: url("background.png");
}
</style>
</head>
<body>
<p>Welcome to level 0. Enjoy your stay.</p>
</body>
</html>
直接访问图片地址，找到FLAG
