This helpful report outlines the essential components for a Spore Mod Menu

The most essential tool for managing mods is the Spore Mod API Launcher Kit. It acts as the game's functional "mod menu," allowing you to install, configure, and launch mods safely.

In the world of Spore, modding is the "evolutionary leap" that takes the game from a simple life simulator to a playground of near-infinite creativity. While the base game offers a robust journey from a single cell to a galactic empire, the Spore Mod API and various community-created "mod menus" and toolkits unlock parts, editors, and features that Maxis originally left on the cutting room floor. The Evolution of the Spore Mod Menu

The most powerful "solid feature" you can add to your modded experience is Dark Injections , which overhaul the user interface and editor capabilities. Top Modded Features for Spore