Negative symbols are a game element in tower games and nullify your Cashpot success.
Negative symbols
Negative symbols are a key mechanic in tower games; if you hit one, it triggers a full reset, clearing both the Cashpot and all individual towers back to zero.Negative symbols are a game element in tower games. If they appear, all Cashpot towers and the Cashpot are reset to zero.
To give you a better idea, here are some popular tower games that utilize these negative symbols: