To access "Get extra gold" section please press on a "plus" sign on the top of the screen -> press on a "plus" sign right next to Au balance.

Please note that offers in the "Get Extra Gold" section in War Robots are provided by our third-party partners, so we don't have full control on our end. If you feel that you met all the requirements and still didn't receive the reward, contact the extension provider (Tapjoy) directly. Select the offer in question and scroll down to the "Contact Support" section to submit a request.