In Sweet Merge, you simply tap or click to release candies onto the board. Combine candies of the same type to create larger ones. Your objective is to keep merging until you have the largest candy possible.

The main rule is to merge candies of the same type together. In normal mode, you start with small candies and aim for the largest one. In hard mode, you begin with the largest candy and merge it into smaller ones, ultimately trying to reach the tiny blue candy.

While there may not be a traditional tutorial, the gameplay is intuitive. You can start playing and understand the mechanics by trying out the first few levels.

Yes, Sweet Merge is designed to be playable on various devices including smartphones and tablets. Ensure you have a compatible browser or download the app if available.

If you cannot merge any more candies, you may need to restart the level or try a different strategy to clear the board and continue merging.

In hard mode, you start with the largest candy and work your way down to merge them into smaller candies, aiming to end up with the tiny blue candy. This adds an extra layer of challenge compared to the normal mode where you start small and aim for the largest candy.

The description does not mention specific power-ups or special candies, but you can explore the game to see if there are any unique features that assist in merging candies.

The provided information does not indicate the presence of online multiplayer features. However, the game focuses on single-player progression and challenges.