Gone are the days of the default grey box. C00lgui V2 ships with a Custom Theme Engine . Users can modify:

As the table shows, C00lgui V2 leads in every performance metric. The weekly update cycle is particularly important, as Roblox patches UI libraries frequently. The V2 development team maintains a public changelog on their Discord, releasing hotfixes within 24 hours of a major Roblox update.

At its core, V2 is a designed for absolute environmental control. Unlike modern "FE" (Filtering Enabled) scripts that are often restricted to the local player's view, the legacy of c00lgui is built on server-wide manipulation. Key features typically found in the V2 suite include: