Robot Tug-of-War Is Finally Here

Humanoid robots are taking competition to another level at the 2026 World Humanoid Robot Games, where tug-of-war has been introduced as a competitive event. Instead of relying on human operators, these machines must handle the battle autonomously using artificial intelligence algorithms.

The competition puts 2 robots against 2 robots on a narrow track measuring 1.2 meters wide and 12 meters long. Robots compete in 2 weight categories. The lightweight division is limited to machines under 40 kilograms, while the heavyweight category covers robots weighing between 40 and 80 kilograms.

Although tug-of-war might look like a simple test of strength, the challenge is much more technical. Each robot must maintain traction while controlling its balance, posture, center of gravity, and pulling force. At the same time, both robots on a team need to coordinate their movements so they can apply force together.

Foot grip is especially important. Too little traction can cause a robot to slide, while poor balance can send it toward the floor.

With artificial intelligence controlling the entire process autonomously, robot tug-of-war offers an entertaining demonstration of how quickly humanoid machines are learning to coordinate, react, and compete in physical environments.