Batman investigates the "Squid Games" case. Can he stop it and how quick he could do that?

Inspired by this video: https://youtube.com/watch?v=Em7DLfG0i_Q

Batman gets the information about "Squid Games" and decides to investigate it. Can he succeed?

Circumstances: Batman has some prior knowledge about the "Squid Games", but nothing more, so he must develop a plan before starting to investigate. He also has his standard gear at his disposal.

Scenario 1: DCAU (DC animated universe) Batman.

Scenario 2: Arkham'verse Batman.

Scenario 3: mainstream DC comics Batman (composite Post-Crisis/New Earth and Post-Flashpoint/Prime Earth continuities of DC).