Nintendo occasionally offers limited-time opportunities to play the full game or its online features for free: Nintendo Switch Online Free Trial : You can sign up for a free 7-day trial Nintendo Switch Online . This allows you to play the online modes of Smash Ultimate
If you want to with zero legal gray areas, this is your golden ticket. Nintendo periodically offers free 7-day or 14-day trials for their Nintendo Switch Online (NSO) service. However, there is a catch: you still need the game. super smash bros ultimate play for free