日本語がないとだめなんだ:Collection for the Japanese people like me who can not read English well
Collection by: sele[JP]
Windows Into Hell
Collection by: Pennywise
Steam calls the picture you use to represent a game on Greenlight a "Branding Image". Ideally because the image accurately conveys and sells your project, not because it presses against your soul until it leaves its own afterimage as an irrevocable scar.