What do you get when you mix Hotline Miami with Half-Life 2? Well, read the tile.
This upcoming free tiny indie game borrows the camera from hotline miami, the setting, enemies, weapons, and surprisingly enough, gameplay pacing from Half-Life 2. Fingers crossed that it'll be good. Sources (HAH! source, geddit?) say that it will even have its own built-in level editor.
To make the wait easier, here's another mashup:
= hotline miami + SUPERHOT