Mr. Driller, released in 1999 for the Dreamcast, is a puzzle arcade game developed by Namco. Players control Susumu Hori as they dig through colorful layers of blocks while managing their oxygen levels. The game requires quick thinking and strategy as drilling through certain blocks can cause chain reactions. There are various modes, including a basic survival mode and a time attack mode. The objective is to reach a specified depth without running out of oxygen or being crushed.