Stair: Slide the Blocks to Ascend is a platformer in which you control the platforms, and not the character, for once.

It's the latest game from Alex Thompson, who was part of the team that made Stellar Smooch, with assistance from Bennett Foddy of QWOP fame.

As said, your goal here is to move the platforms on the left and right of the screen by dragging them around.

The challenge here is to get the woman up this tower as high as possible. She jumps automatically, so all you have to do is make sure she lands on a platform.

Most of the platforms are dragged horizontally, so you only need to clear the way for here most the time. But some platforms move vertically, while others cannot be moved at all.

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It's not the toughest arcade game out there, but it's one that'll test your endurance and concentration.

You can purchase Stair for £1.49 / $1.99 on the App Store.