Garena has announced a collaboration with Formula 1 team, McLaren Racing, and Free Fire, the world's most downloaded mobile game in 2019 and 2020. . Free Fire's crossover with McLaren â Ace the Field â will feature a thematic takeover in Free Fire, exclusive collaboration content and in-game features, as well as various promotional social media campaigns and offline activations.. Free Fire will deliver McLaren's vision for Grand Prix racing through an exclusive collaboration â MCLFF â