One question on this subject, answered from our own work, with the numbers.
Dubit built the Dynamos Cricket app for the England and Wales Cricket Board (ECB). For the International Cricket Council's (ICC) Men's Cricket World Cup 2023, we built a Roblox Fan Zone that reached 220m players. It sat inside several popular Roblox games, where players earned 'Runs' and redeemed them for free items. For UEFA EURO 2024, Dubit built EUROballer Battle on Fortnite.