Caleta Gaming is known for its exciting and innovative online gaming solutions, and the Grandma Bingo is no exception. This online game can be considered quite affordable, given the minimum bet 0.04. The maximum bet option allows players to feel the excitement by betting up to the maximum bet 280 credits. Grandma Bingo allows trying your luck and reach unrealistic achievements by getting the maximum payouts of 10000x. The strongest global placement on August 4, 2025 was in Iceland, where the game ranked #12399. The best avarage position in United States over the past 30 days was #7632, recorded on July 9, 2025. The lowest position for the game in United States was #10108, noted on July 25, 2025. The game's SlotStar score ranged between 0.23 and 0.34 in United States during the past 30 days. The game's SlotStar rank ranged between 9616 and 11988 in United States during the past 30 days. On July 25, 2025, the game shifted by 2353.33 positions compared to the previous day in United States.