How to play Heart Lab
Heart Lab is a playful love compatibility game for two people. Type two names, press Test Love and a scene machine picks one of five little stories: a fire rescue, a thunder walk, a dog park, secret agents or a cliff climb.
The two names are turned into a love percentage with a letter-counting formula. The number counts up while your two characters walk into the scene, and sometimes a low score tries to fool you before it settles. A short line comments on the result, then you can replay the scene, swap the names or start a new pair.
Your last three matches are saved on your device. It is just for fun.
Controls
Click or tap. Enter starts the test, M mutes, Esc returns to the names.
Tap the names, then tap Test Love.
FAQ
Is the love percentage real?
No, it is a game. The score comes from a simple letter-counting formula on the two names. Enjoy it for fun.
Does the order of the names matter?
It can. Swapping the two names may change the percentage, so try both ways.
Why does a low number sometimes jump up first?
That is part of the show: for low scores the counter may climb high before it settles on the real value.
Are my names sent anywhere?
No. Names and your last three results stay on your device.
Is Heart Lab free?
Yes. It is free to play in your browser, with no download and no account.
Can I play on my phone?
Yes. It runs on phones, tablets and computers. Tap the names, then tap Test Love.