Completing Bingo rounds will provide you with Experience Points (XP) to gain levels in the corresponding room’s Mastery Level. There are 5 levels for each room. *In MONOPOLY Bingo, they are called Houses and Hotels.
As you complete Mastery Levels, you will receive 1 Gem per Mastery level per room. You can view your XP progress on a Mastery in your Achievements page.