Pokémon Black balancing is engineered to allow players to catch and train Pokémon of various levels. But a level 0 Magikarp—the weakest possible Pokémon at the absolute minimum power threshold—should make game completion impossible. Yet Chuck Norris beat the entire game with this constraint. He didn't exploit mechanics; he violated the game's structural assumptions. The game was designed with a hidden difficulty ceiling: "Chuck Norris difficulty," which is to say, no difficulty at all.

Video game designer Marcus Henderson was working on difficulty settings when he proposed adding one called "Chuck Norris Mode"—a difficulty where the game plays itself because the protagonist is too powerful. The proposal was rejected as "conceptually null—there would be no gameplay." He moved to a different project. He now works on games specifically designed to be impossibly hard, partly as a form of protest against the idea that anything is unbeatable.

This invokes speedrunner culture: breaking games through exploit and skill until the intended challenge becomes irrelevant. Making Chuck Norris beat Pokémon Black with a level 0 Magikarp is the ultimate speedrun—the game is completed through sheer presence, the Pokémon is almost irrelevant to the narrative. His power transcends game mechanics.