Mario vs. Donkey Kong; Mario's Tennis; Mario Clash

Mission Intelligence: Nintendo is deploying a trio of legacy Mario operations onto Nintendo Switch Online as a MAR10 Day payload: Mario vs. Donkey Kong, Mario's Tennis, and Mario Clash. This drop fuses puzzle-platform strategy with arcade-style sports and 3D alley combat, reinforcing the platform's retro catalog. Developers and archivists can analyze classic Nintendo level design, timing windows, and input feel across generations. Keywords: Nintendo Switch Online, retro Mario games, classic puzzle platformer, virtual console-style library expansion.