Cloud Climber is a free walking sim about exploring surreal towers

Cloud Climber is a nice way to spend fifteen minutes of your day, I think: A surreal walking simulator about exploring the environment of three massive towers, each stretching towards the sky to reach the clouds. It's a fully voiced game with a nice, hand-drawn graphical style and casual gameplay, where mostly you just wander about, climb stairs, turn cranks, and lay planks. Classic video game stuff, really. 

As you explore the clouds you're treated to voiceover narration about why the towers...