A. 1. Replay previous levels: Go back to earlier levels to collect more colors that may be needed for current levels. 2. Use power-ups wisely: Save power-ups that can help you obtain the necessary colors when you reach challenging levels. 3. Check for color combinations: Sometimes, combining colors can yield the needed colors. Experiment with different combinations.

B. 4. Look for in-game events: Participate in any special events that may offer additional colors as rewards.