Unun.io unblocked is a free io game where you have to jump and race against other contenders. UnUn.io online is truly inspired by Helix Jump game. You will have to descend as many floors of the tower as possible while trying to avoid contact with spikes. Do not let other players bypass you, or else it will be hard to win. You are racing against the clock with the rivals so you must do your best to triumph all over them.
How to play
Move your character using keys A/D, left/right arrow keys or the left mouse button.