what is monument valley ?
<answer> It is a puzzle game developed and published by indie studio ustwo. <context> Monument Valley is a puzzle game developed and published by indie studio ustwo. The player leads the princess Ida through mazes of optical illusions and impossible objects.Monument Valley was developed over ten months beginning in early 2013 based on concept drawings by company artist Ken Wong.onument Valley was developed by Ustwo, a digital design firm founded in 2004 that has produced iPhone apps since 2007. Their Whale Trail game received millions of downloads, and their other apps include design app Granimator and photo sharing app Rando. Monument Valley was conceived as a touch game for tablets.