https://wccftech.com/todays-list-of-paid-games-that-are-on-sale-at-the-play-store-including-monument-valley-and-more/ > The titles are on sale for a limited time only and become full price at any moment. If you see a price next to the “install” button, without a strikethrough showing the reduced amount it isn’t on sale anymore. Once you download a paid title that’s free, it’s, yours to keep even after the promotion ends, and you can reinstall it on any other device linked with the same Google Play ID. > Related Today’s List of Paid Games That Are Free or on Sale at the Play Store Including Bridge Constructor Medieval and More