Mario Kart Wii is the main video game played by TWD98. The majority of TWD98's uploads are of Mario Kart Wii.
Troy published the first Mario Kart Wii video to the TWD98 channel on August 30, 2009. In the video, Troy filmed himself performing every expert shortcut with text on the screen displaying how many Mushrooms were needed to complete the shortcut and the shortcut's overall difficulty on a scale of one to ten, one being the least difficult and ten being the most difficult.
Currently, Troy plays Mario Kart Wii in his "Race to 9999 VR" series.
- The video titled "Mario Kart Wii all Expert Shortcuts" was the very first video on the TWD98 channel as well as the first Mario Kart Wii related video on the channel.