In Candy 2021: Game 2021 Gratuit, you need to swap adjacent candies to create matches of three or more of the same type. When you make these matches, the candies will disappear and you'll score points. The goal is to clear the board of all candies before the timer runs out.

The main objective is to clear each level by matching candies and earning enough points within the given time limit. Some levels may also have specific goals, such as collecting a certain number of special candies or reaching a target score.

Yes, there are various special candies and power-ups that can help you clear levels more easily. These include striped candies, wrapped candies, and color bombs which can be created by matching four or five candies in a row or column.

Yes, Candy 2021: Game 2021 Gratuit is designed to be played offline, so you don't need an internet connection to enjoy the game once it's installed on your device.

Candy 2021: Game 2021 Gratuit is described as a 'gratuit' game, meaning it is free to play. However, like many free games, it may include optional in-app purchases for additional content or features.

The exact number of levels isn't specified, but Candy 2021: Game 2021 Gratuit offers an endless supply of levels to keep players entertained. Each level presents new challenges and puzzles to solve.

Yes, Candy 2021: Game 2021 Gratuit is compatible with mobile devices, allowing you to enjoy this delightful match-3 puzzle game on the go.

While not explicitly mentioned, many match-3 puzzle games offer daily challenges or seasonal events to keep the gameplay fresh and engaging. It's worth checking the in-game calendar or announcements for any special events.