Heart Star — Play Free Online
More Co-op for Two games
Heart Star is a two-player cooperative puzzle game that plays in the browser with nothing to install. Nobody races anybody here: both players share the same level, and the exit only counts when the team gets there together. If you came to this site for Fireboy and Watergirl, the appeal will be familiar.
The catalogue describes it as a puzzle built around two characters and moving between them to reach the goal. Beyond that, treat any claim about level counts or hidden modes with suspicion. This page sticks to what the game shows you when you load it: the controls, the co-op idea and the kind of session it suits.
How to play
It is set up for two people on one keyboard. Usually one player takes the arrow keys and the other takes W, A, S and D. If you are alone, one person can handle both sides, which is slower and fiddlier but works for a quiet puzzle session. The aim is to help each other through to the exit.
In a cooperative puzzle like this, a round tends to go the same way. Look at the whole screen first, work out what each character can reach that the other cannot, and only then start moving. Most stalls come from one player rushing ahead while the other is still stuck.
Tips
- Agree who is on which key set before the first level, so nobody reaches for the wrong keys mid-jump.
- Talk through the route out loud. Two players who narrate what they are about to do solve puzzles far faster than two who guess.
- Play the first level slowly to learn the timing before you worry about speed.
- If the game freezes, reload the page. It restarts cleanly.
Similar games on Fireboy and Watergirl
The closest match is the main series: Fireboy and Watergirl and its Light, Ice and Crystal temple sequels, where each character has its own hazards. Duo Vikings and Duo Survival 2 are also for two players, with a different feel. Bad Ice Cream and Up Together are further options if you want a change of pace with a friend.
Heart Star suits short sessions with a second person at the same keyboard. A phone is a poor fit, because two sets of keys are what the game expects.
Questions about Heart Star
How do I control Heart Star?
It is built for two players on one keyboard, usually one on the arrow keys and the other on W, A, S and D. One player can also handle both sides.
Can I play Heart Star alone?
Yes, one person can control both characters, though it is slower than playing with a partner.
Is Heart Star free to play?
Yes. It runs in your browser on fireboywatergirl.click with no download or account.
Does Heart Star work on a phone?
It is an HTML5 game, but it expects two sets of keyboard controls, so a computer with a keyboard is the better choice.
