: FPS Bypass (critical in 2.1 for physics), Show Hitboxes, and StartPos Switcher. Eclipse Menu : The top-rated free alternative. : Offers a "Mega Hack style" experience without the cost.

If you are an iPad or iPhone user and serious about creating, iCreate Pro is worth the investment.

For mobile players, this APK modification was the premier choice for 2.1. It brought PC-level features to Android devices, including an FPS bypass, custom wave trails, texture pack switching, and a robust start position switcher. How to Install a 2.1 Mod Menu Safely

Allows the game to run at higher frame rates than the monitor's refresh rate, making physics smoother and tighter.

: A comprehensive free menu known for its user-friendly interface and focus on gameplay improvements like Startpos Switcher and Show Hitboxes .

Displays the exact, non-rounded collision boxes of objects.

What matters most to you? (FPS bypass, practice tools, or editor hacks)

When it comes to Geometry Dash modding, Absolute’s Mega Hack series is the undisputed gold standard. Mega Hack v7 was the pinnacle of the 2.1 era.

It is an excellent choice for players who want a free, full‑featured menu without paying for Mega Hack.

Download the DLL or Hack Client. Most "21 Top" mods come as a .dll file. Do not run an installer; you only need the DLL.

Customizable HUD elements, internal cheat indicator, detailed click counters, and smooth performance tweaks.

If the specific "GD Mod Menu 21 Top" is unavailable, consider these alternatives that offer similar features:

It is incredibly versatile and often preferred by creators for its advanced editor hacks. Top Features to Look for in a GD Mod Menu