Which gaming company's loyalty program was the first to offer a 'battle pass' system that has since been widely adopted across the industry?

Gaming companies have developed sophisticated loyalty programs to reward their most dedicated players and keep them engaged in their ecosystems. These programs offer everything from exclusive in-game content to real-world rewards. Test your knowledge about the innovative loyalty strategies that major gaming companies have implemented to retain their player base and encourage continued spending within their platforms.

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Epic Games (Fortnite)
Valve Corporation (Dota 2)
Activision Blizzard (Call of Duty)
Riot Games (League of Legends)