Smashs ability is a tackle which throws opponents quite far away.
He is really helpful in arenas with a small amount of lasers and enough space to tackle. Smash can also be used to activate a laser knot faster than the opponent.

Difficulty: ★★ - easy / friendly
(1 star= easy, 5 stars= very hard)

Ghosts ability is to become immortal for a few seconds. In this very small amount of time, he can't get killed by lasers or opponent attacks to revive his own team, this makes him to a nearly indispensable part of your team.
Ghost is highly recommended to new players.

Difficulty: ★ - easy
(1 star= easy, 5 stars= very hard)

Thiefs ability is stealing the enemies laser knots. To play thief you need to have some experience in the gameplay and also risk a lot for your team. Thief can be hard for new players. He is really helpful in arenas with lots of lasers.

Difficulty: ★★★★ - medium / hard
(1 star= easy, 5 stars= very hard)

Snipes ability is a teleport mark. The line you are connected to is a laser which eliminates all opponents standing in it. To play him right you need to be a really good player, fast instincts, and reflexes to jump through the walls at the right time.

Difficulty: ★★★★★ - very hard
(1 star= easy, 5 stars= very hard)

Shocks ability is shocking opponents for a few seconds. His range makes it quite easy to shock your opponents. New players like to play with him because of his easy handling.

Difficulty: ★★ - friendly
(1 star= easy, 5 stars= vary hard)

Blades ability is a laser blade which eliminates opponents when using it. Blade is good for fast eliminations and preventing the opponents' revival. Some gameplay experience is highly recommended.

Difficulty: ★★★ - medium / hard
(1 star= easy, 5 stars= very hard)