Waluigi along with
Wario in Mario Kart Double Dash.
Mario dances against Waluigi in a dance-off in Dance Dance Revolution Mario Mix.
Waluigi in Super Smash Bros Ultimate as an Assist Trophy.
Waluigi slinging a cherry in Berry Basket in Mario Party 5.
Waluigi as an Assist Trophy in Super Smash Bros. For 3DS and Super Smash Bros. For Wii U.