I'm not sure how this relates to AGI.

This measures the ability of a LLM to succeed in a certain class of games. Sure, that could be a valuable metric on how powerful (or even generally powerful) a LLM is.

Humans may or may not be good at the same class of games.

We know there exists a class of games (including most human games like checkers/chess/go) that computers (not LLMs!) already vastly outpace humans.

So the argument for whether a LLM is "AGI" or not should not be whether a LLM does well on any given class of games, but whether that class of games is representative of "AGI" (however you define that.)

Seems unlikely that this set of games is a definition meaningful for any practical, philosophical or business application?