GRAM Slim SMASH Controller


This guide details the GRAM PRI$M Controller, a breakthrough in ergonomic and modular controller design, developed in collaboration with WuhnWae. The GRAM PRI$M marries comfort with customization, evolving from the legacy of “The Classic” design to meet modern gaming demands.

Collaboration and Ergonomic Design

A Collaboration with WuhnWae

The PRI$M project benefits from the collaboration with WuhnWae, renowned for ergonomic and user-friendly designs, ensuring the controller provides optimal comfort and style during gameplay.

The Classic Design Reimagined

“The Classic” design's best elements are reinterpreted in the PRI$M, featuring an organic, topographical shape that promotes ergonomic use and adds a distinctive aesthetic.

Customization and Specifications

Color Options

To accommodate various preferences, the PRI$M offers the choice between white and black buttons, allowing for further personalization of the gaming setup.

Open Source Customization

True to GRAM's ethos, the PRI$M supports open-source customization, enabling users to modify and personalize their controller with printable parts or accessories available for purchase.


  • Model: GRAM PRI$M Drop 7

  • Button Layout: 20 buttons with Prism Mapping for ergonomic use

  • Body: Constructed from high-quality screen-printed aluminum for durability

  • Switches: Utilizes Kailh Choc v1 Red switches for responsive feedback

  • Buttons & Keycaps: Features MBK Profile PBT Keycaps for a comfortable and durable touch

  • Circuitry: Incorporates an RP2040 integrated circuit for superior performance

  • Firmware: Comes with the reliable Haybox firmware

  • Compatibility: Designed for use with Gamecube, Wii, Switch, Nintendo 64, PC, and Brook Wingman

  • Optimized for: A versatile gaming experience with games like the Super Smash Bros. series, Guilty Gear Strive, and more

The GRAM PRI$M Controller is a fusion of innovative design and ergonomic excellence, designed for gamers seeking a customizable and comfortable gaming controller.

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