Chipotle is once again giving away free meals in celebration of National Burrito Day. Last year, the restaurant chain launched an interactive game called the Burrito Vault in which players were tasked with guessing the ingredient order for a Chipotle burrito. The winner received a buy-one-get-one-free coupon.

Chipotle Mexican Grill has been serving burritos, tacos and other Mexican-inspired dishes for over three decades. The fast-casual chain has launched countless creative marketing campaigns, from partnering with brands like Strava to giving away $1 million in free burritos.

Chipotle Mexican Grill is celebrating National Burrito Day by bringing back its popular digital game, Burrito Vault, the restaurant announced in a news release. The interactive competition, inspired by the popularity of word puzzles,