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Heart Box - free physics puzzles game icon

Heart Box - free physics puzzles game

Puzzle In-app purchases Contains ads

Funny physics puzzles with a little robot named Robby!

Rating
4.3
62.5K ratings
Downloads
7.1M+
on Google Play
Price
Free
In-app purchases
Updated
Feb 3
2026 · v0.2.7
Get it onGoogle Play See alternatives

Screenshots

  • Heart Box - free physics puzzles game screenshot 1
  • Heart Box - free physics puzzles game screenshot 2
  • Heart Box - free physics puzzles game screenshot 3
  • Heart Box - free physics puzzles game screenshot 4
  • Heart Box - free physics puzzles game screenshot 5
  • Heart Box - free physics puzzles game screenshot 6
  • Heart Box - free physics puzzles game screenshot 7
  • Heart Box - free physics puzzles game screenshot 8

About Heart Box - free physics puzzles game

Professor Rat created Robby but gave him a weak battery, which is why our hero has to constantly recharge and participate in crazy experiments.
Take the robot through all the experimental puzzle rooms of Professor Rat to release him from the charger!

Features:

▶ Over 180 levels for your brain!
▶ 4 funny game modes
▶ 20 physical objects
▶ Level Editor & Collection of QR levels
▶ Online database "Community Levels"
▶ Tons of skins for robot!
▶ Realistic physics
▶ High-quality graphics
▶ A lot of cartoons!
▶ Game achievements & leaderboards

Find new levels in our community:

Facebook: https://www.facebook.com/radbrothers
Twitter: https://twitter.com/Rad_Brothers
Instagram: https://www.instagram.com/rad_brothers
VK: http://vk.com/radbrothersid
YouTube channel: https://www.youtube.com/user/RadBrothersID
Our website: https://radbrothers.com

What’s new

Version 0.2.7 · Updated February 3, 2026

- Update SDKs

Play today's Threadline puzzle

Draw one line through every cell, visiting the numbers in order. A free daily puzzle from Fiplay, same board for everyone. It plays right here, no download.

More Threadline and other daily puzzles on Fiplay →

User reviews

Bree LeFae
Bree LeFae
Thanks for your help and I love the idea
Usaid Adam
Usaid Adam
Se
Anand Raj
Anand Raj
Good game
Ann Wangare
Ann Wangare
Ok
Wyatt Smith
Wyatt Smith
cool!
R C
R C
👍👍👍👍👍👍👍👍👍👍👍👍👍👍

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