Deal | Macabre roguelite with 95% positive reviews for under $10 on Steam ⓘ Devolver Digital Cult of the Lamb is 60% off on Steam until August 25. Cult of the Lamb normally costs just under $25 on Steam. Fittingly, Cult of the Lamb is rated “Verified” for the Steam Deck, making it a good option for gaming on the go. A look at the Steam reviews, however, shows just how well Massive Monster's cult simulator has actually been received by players: An impressive 95% of more than 127,000 user reviews give it a thumbs up. That makes Cult of the Lamb one of the most popular roguelites on Steam.