Today I played and also checked performance of The Mound Call of Cthulhu. Im afraid small companies started using UE5 without fine tuning it to use its powerful photorealism but due to this they don't even let you close the upscalers in their games anymore. You can also find my steam review here: https://steamcommunity.com/id/SupremeMasterr/recommended/2569760?snr=159__402