Tails.io is a simple and easy-to-play game where you have to tap and drag to rotate your tail, and attack the enemies by swiping it.

The gameplay is completely free, and it has no time limits or any other requirements. You can play as much as you want, and there are no rewards for playing the game.

The controls are very simple, and the gameplay is very easy to understand and very fun to play.

There are no enemies that can be killed by regular attacks, but there are some that can be killed by the tail. The enemies in the game are very easy to defeat, and it is very easy to get your tail to a certain length.