The mechanics that define the modern tower rush genre were not invented overnight by a single massive studio.

Long before mobile phones were capable of running complex 3D graphics, strategy enthusiasts were laying the groundwork on PCs.
The Modding Community Roots
In the early 2000s, games like StarCraft and Warcraft III provided players with incredibly powerful tools to create their own modes.

These early custom maps stripped away the complex item shops and hero leveling, focusing entirely on unit spawning and base defense.
Modders tested wild ideas without budgets.The 'tug-of-war' map style was incredibly popular.Many modern developers started as teenage modders. The Mobile Revolution and Card Mechanics
However, to monetize and provide long-term progression, they introduced elements from incredibly popular physical trading card games.

By representing units as collectible, upgradeable cards, developers solved the issue of long-term player retention.
Core MechanicOrigin/InspirationTug-of-WarEarly PC RTS modsCard CollectingPhysical Trading Card Games (Magic: The Gathering) The Genre Today
Their formula has been copied, tweaked, and expanded upon by thousands of other studios around the globe.

The history of tower rush is a testament to the incredible creativity of the global gaming community.