Well, what can I recommend to you besides chess, some kind of puzzles or maybe, for example, sudoku. By the way, sudoku is really a very good online game. Try it, it will be difficult at first, but if you learn the rules, you will soon become a real sudoku pro. I think it's better to stop on it, although there are many similar and interesting games on the Internet...
Watch your opponents' body language and racket position to anticipate their shots. This will help you react quicker and get into a better position to return the ball and more about pickleball courts
Geometry Dash is a popular rhythm-based platformer game developed by Robert Topala. In it, players navigate a geometric shape through various levels filled with obstacles, spikes, and hazards. The game is known for its challenging levels, which are synchronized with upbeat electronic music tracks. Players must time their jumps and maneuvers to the beat of the music to avoid obstacles and progress through the levels. The game features a level editor, allowing players to create and share their own custom levels, which has contributed to its enduring popularity and a strong community of creators. There are also different game modes and updates that introduce new challenges and gameplay mechanics.