This Steam game from Ittle Dew devs Ludosity is free to keep this weekend
You play healer Princess Remedy, who must cure those affected by a huge tower that's sprung from the ground, lifting entire towns with it and spreading diseases. You can download and keep the game at any time before Tuesday 6pm BST/10am PT: just head over to its Steam page. Princess Remedy 2 is a prequel to Princess Remedy in a World of Hurt, which has always been free-to-play. If you like the prequel, grab the original here. Developer Ludosity is known for making small, polished games such as t