SteamAnalyser

SteamAnalyser is a sharp free utility from Immutable, the game growth platform. It isn't a design service or an art generator—you upload or paste a URL of your capsule, and it returns a 0–100 score broken into six equally weighted dimensions: genre clarity, title readability, contrast & color, uniqueness & polish, brand consistency, and composition. Each dimension gets a ranked list of fixes, so you know what to prioritize. The tool's focus on the 120×45 thumbnail size is its strongest insight—most discovery happens at that postage-stamp size, and SteamAnalyser flags elements that collapse or become muddled when shrunk. We like that it's fully free with no sign-up, no email gate, and the methodology is published so you can verify the scoring. There's no fluff. For indie developers on a tight budget, this is a fast way to get a second opinion without spending $200 on a design consultation. Where it falls short: it only analyzes capsules for Steam, not other storefronts like itch.io or Epic. It also won't help with trailer, screenshots, or description optimization—though the site does offer a separate store page guide. Compared to generic design critiques, SteamAnalyser is far more actionable because it's grounded in data from 25,000+ pages. But if you need a new capsule created from scratch, you'll still need an artist. For teams who want to A/B test variants, you can't run tests within the tool—you have to iterate manually. Overall, we'd recommend this as the first step for any indie before launching or updating a Steam page.