Under Microsoft, Double Fine has made its weirdest game yet—and this is only the beginning: 'We can take more risks.'

During a behind-closed-doors look at Double Fine's latest game Keeper , I'm struck that this is probably the studio's strangest game yet. With a back catalogue that includes everything from psychic summer camps to living Russian dolls, that's really saying something.

It stars a living lighthouse—tottering about on tree root legs—who travels through a post-apocalyptic world with a mutant bird friend. Focusing its light beam on parts of the environment causes changes, such as making a rock creature withdraw its limbs and slam down into the ground, or forcing back shadowy tentacles.

That makes for some light (ahem) puzzle-solving and exploration, elevated by the surreal surroundings. In one section, the lighthouse is able to use its beam to control the flow of time, reversing back to past e