4、<p>Perspective-shifting puzzler Miika is on sale now for 69p / 99c, down from its usual price of £1.49 / $1.99.</p><p>It also has a new seasonal theme to celebrate the winter holidays.</p><p>You can buy it on the App Store or Google Play.</p><p>Miika is a puzzle game that, similar to optical illusions of Monument Valley, relies on perspective manipulation to get around.</p><p>Change the camera angle and take advantage of the new paths that form.</p><p>The video below doesn't reveal too much of this mind-bending gameplay, but it does provide a good look at its cute 3D style.</p><p>Miika is only on sale for a limited time, so grab it on iOS or Android now if you'd like.</p>
2、"What is it?" she asked gaily. "You look fearfully solemn, Gilbert. I really haven't done anything naughty today. Ask Susan."