Grubhub is hardly the first brand to have experimented with gaming. Last summer, Gatorade launched a Serena Williams-inspired video game ad tied to the US Open on ESPN's Snapchat Discover channel.

The ad for the food ordering app started with a man playing PUBG on his phone in a $100,000 kitchen. ... Gif: Grubhub / Kotaku. Advertisement.

Its Grubhub Community Relief Fund, including donations from customers that it matched, raised more than $15 million for restaurants, drivers and others. And it offered grants for restaurants to ...