Alleys By: THEMEr Alleys is a new 3D adventure game by THEMEr. It takes place in an empty theme park and you need to find four special keys to escape. Much of the game is about looking carefully in and under things for keys, which makes it a bit difficult to make a step-by-step guide, especially since it's in 3D. But I'm posting videos of my playthrough and I'm also going to…