Exchange Coupons are a steam inventory currency used to gain Arcade Tokens for the pet catchers in the arcade.
They are converted into 3 arcade tokens upon completion of any online game (This includes online games with only one human player. It will not be displayed on the match's ending screen, however, the player's coupon will be converted into tokens).
Exchange Coupon grant period has been changed from every 3 days to be weekly: you now receive 15 coupons once per week whenever you log in, and can play up to 15 games to exchange them into Arcade Tokens.
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