Valve just announced a special event that will run from May 2 at 10AM (PT) to May 9. The event, Going Rogue: A Festival of Persistence, will offer discounts on games that can commonly fall under the roguelike and roguelite genres of video games.
Confused about what the differences are between roguelike and roguelite? Valve has you covered here as well. The team created a long writeup about the differences that you can check...