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From the announcement:
Gamers on Games will be giving away a Catalyst Game Labs gift certificate in September 2014! Want a chance to win it? Become a Gamers on Games patron
Gamers on Games : Catalyst Gift Certificate Giveaway
Gamers on Games will be giving away a certificate for Catalyst Game Labs to one of their Patreon contributors next month.
Source
From the announcement:
Source
From the announcement: