Gaming machine and method including a value transfer bonus

A gaming machine comprising:

• a presentation assembly;
• a value input device configured to accept a physical item associated with a monetary value to establish a credit balance;
• a value output device configured to dispense a payout from the credit balance in response to a cashout input;
• and
• game-logic circuitry configured to perform the operations of:
• displaying a symbol array comprising a plurality of cells, each cell initially empty and comprising an overlay reel bearing catalyst symbols and blank spaces;
• displaying a plurality of indicators, each indicator bearing a plurality of values;
• initializing a spin counter;
• for a plurality of game cycles:
• spinning and stopping the overlay reels to display a blank space or a catalyst symbol superimposed over each cell in the symbol array;
• for each respective cell in the symbol array:
• determining whether the respective cell contains a catalyst symbol overlaying a symbol placed in the respective cell during a previous game cycle;
• in response to the respective cell containing a catalyst symbol overlaying a symbol placed in the respective cell during a previous game cycle:
• selecting one of the plurality of indicators associated with the respective cell;
• selecting a value from the plurality of values borne by the selected indicator;
• removing the selected indicator from the plurality of indicators and adding the selected value to a value borne by the symbol placed in the respective cell during a previous game cycle;
• replacing the selected indicator in the plurality of indicators with a new indicator bearing a plurality of new values;
• resetting the spin counter in response to locking a new symbol in the symbol array or adding value to a symbol already in the symbol array;
• and
• in response to the spin counter reaching zero, ending the game and awarding a prize.