The IncrementGlobalStats method is an atomic operation. 

We ensure requests are handled one at a time, by locking the stats until the updating process is complete. Following subsequent calls wait in parallel, until all the operations finish.

So regardless of how many users interact on a statistic, it will be incremented and decremented as expected.

Note that when using ProcessStatistics, it is possible that using a SET operation will be unreliable, in an event where two or more users are editing a statistic. As such, it is best to use the INC, DEC, MAX, MIN, INC_TO_LIMIT, and DEC_TO_LIMIT operations when knowing that multiple users will be acting on a stat.

Find further information on Global and Player Statistics in our API Reference:

Happy coding!

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