Some new players think 999 is the max because the star icon in the profile only shows 3 digits — but that’s just a display limit; your actual stars are stored and tracked beyond that (viewable in the leaderboards or detailed stats).
While you can keep earning stars, RobTop uses an automated system to catch cheaters. If you exceed certain "humanly possible" rates, your account will be . geometry dash 2.1 star limit
To maximize your star count toward the global leaderboards, top players follow a specific "Star Grinding" strategy: Some new players think 999 is the max
To prevent the top players from hitting the cap before a proper patch could be implemented, the difficulty rating of thousands of levels was adjusted. RobTop and the difficulty rating team began systematically lowering the star rewards for various levels, particularly older or lower-quality rated levels that were being farmed for easy points. To maximize your star count toward the global
: Since new Daily levels are added every 24 hours, the theoretical limit increases by 10 stars every single day.