Steam Deck: Achievement Customizer plugin lets you style Steam achievement pop-ups like Xbox, PlayStation, Nintendo

GG Brief Editorial Desk · AI-assisted, source attributed

PC Gamer reports a new Decky plugin called Achievement Customizer that lets Steam Deck users design their Steam achievement pop-ups to resemble Xbox, PlayStation, Nintendo, or entirely custom themes. The article describes the plugin as giving users full control over the appearance of the small notification pop-ups on the SteamOS handheld. PC Gamer’s write-up notes the plugin was discussed on r/SteamDeck and framed as a way to change how achievement notifications look on the device. The piece was published by Dave James on 20 October 2026.

• What happened: PC Gamer reported that a new Decky plugin named Achievement Customizer allows Steam Deck owners to change Steam achievement pop-ups to mirror Xbox, PlayStation, Nintendo, or other custom designs.
• Why it matters: PC Gamer described the plugin as giving users full control over the Steam Deck’s small achievement notifications, enabling players to match the pop-up style across platforms.
• Context: The report, published by Dave James on 20 October 2026, frames the plugin as a Decky extension for the SteamOS handheld and notes the topic originated on r/SteamDeck.
• What next: PC Gamer’s article does not confirm distribution details, installation steps, compatibility requirements, or whether the plugin is officially supported.