The APAC Simracing League Challenge (ASLC) hosts events in which leagues and communities face each other as a team.
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BRT Community
Simsport Racing International is a simracing community that focuses on ACC; but organises events on various sims for all skill levels!
ACC / LMU community
NA-focused, currently racing VRC Formula Alpha cars on various F1 and Non-F1 circuits around the world.