hahaha that day i just log in finish convoy / plunder and play arena i will soon delete this post because you see moderators ignore this and thats not right but they dont care i didnt upgrade anuthing that day i just played arena so i really dont know where are my coupons its bug 100%
Have you tried contacting support? That is what they are there for.
https://support-center.oasgames.com
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