https://www.pcgamer.com/tales-from-the-borderlands-and-tokyo-42-headline-aprils-free-games-with-twitch/

The April line up of Free Games With Prime includes Tales From the Borderlands, DubWars, Steamworld Dig 2, Kingsway, and Tokyo 42. All the games are available now to Twitch Prime subscribers and are yours to keep, forever and ever, even if you cancel your subscription. 

Twitch Prime offers ad-free viewing, emotes, and "game loot" every month, like the Fortnite cosmetics and heroes it rolled out last week. But the Free Games With Prime program brings it in line with, for example, the Humble Monthly Bundle, and moves it from a nice bonus for Amazon Prime subscribers to—with allowances for individual opinion, obviously—worth the price of admission entirely on its own. That's $13 per month, by the way, or $99 per year.