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PhysKids: Fun Physics for Kids

Hello, star collector! We're here to help make your journey through the cosmos as smooth and enjoyable as possible. Whether you have a question, are stuck on a tricky puzzle, or have found a bug, you'll find the answers you need right here.

Frequently asked questions

How do I save my game progress?

Your progress is saved automatically at the completion of each level. You can close the game at any time and pick up right where you left off.

The game has no sound. How can I fix this?

Please check that your device's volume is turned on and not in silent mode. Also, check the in-game settings menu to ensure the music and sound effects are enabled.

Can I replay a level I have already completed?

Yes! You can access any previously completed level through the Level Select screen.

I'm stuck on a level. How can I restart it?

There is a restart button in the option menu (usually a circular arrow icon). This will reset the level to its starting position without losing your overall game progress.

What are the special purple star fragments for?

These are rare collectibles! Finding all of them throughout your journey may unlock a special surprise at the end of your adventure.

Gameplay hints & solutions

⚠️ Spoiler warning. Stuck on a puzzle? No problem! Below you'll find a hint for every level in the game. Open the group your level is in and find the level you're on.

Levels 1–15
  1. Our Village — The star fragments are scattered around the village. Simply walk up to them to collect them.
  2. The Hill Behind the Village — Push the large ball. It will roll down the mountain and collect the star fragment for you.
  3. The Enigmatic Lake — Find the end of the rope on the shore and pull it to bring the boat closer.
  4. Cliffs and Chasms — Use the ballista. Aim it at the star fragment on the other side of the cliff and fire the ball to hit it.
  5. The Forgotten Mine — Push the minecart underneath the weak wooden bridge to support it, then you can walk across safely.
  6. Western Canyon — Push the heavy cart onto the opposite end of the plank to act as a counterweight. Then, you can safely walk out and get the star.
  7. The Abandoned Station — Push the barrel so it falls onto one end of the seesaw. This will launch the ball on the other end up to hit the star fragment.
  8. Temple in the Desert — Use the ballista to shoot the first ball. Aim it so it hits the second ball, creating a chain reaction that knocks the second ball into the star fragment.
  9. Pyramid's Riddle — Use the ball launcher and aim at the walls. You need to bounce the ball off the walls at the correct angle to hit the star fragment.
  10. Sailing Down the Nile — Shoot a ball towards the back of the boat. The momentum will push the boat forward, allowing you to collect the star fragment.
  11. The Happy Farm — Use the long beam as a lever. Find the fulcrum point and press down on the opposite end to lift the wooden crate out of your way.
  12. The Magical Field — Hold the trampoline and stand where the balls from the launcher are landing. Angle the trampoline to bounce a ball up towards the star fragment in the sky.
  13. The Growing City — Go to the pulley system and turn the crank. This will lift the attached platform of construction materials up to hit the star fragment.
  14. High-Rise Puzzle — Push the wooden barrel so it falls into the container. The added weight in the container will pull on the rope, lifting the platform on the other side to hit the star fragment.
  15. The Warehouse — Use the pulley system to your advantage. Turn the crank to lift the heavy steel beam up to the star fragment.
Levels 16–30
  1. The Science Playground — Pull back the outermost ball of the pendulum and release it. The force will transfer through the line of balls, causing the one on the opposite end to swing out and hit the star fragment.
  2. The Physicist's Funfair — Spin the merry-go-round faster and faster. The centrifugal force will cause the hanging airplanes to swing further outwards until one of them hits the star fragment.
  3. The Skate Park Challenge — Use the ball launcher. Aim along the curves and ramps of the skate park to guide the ball along the path to the star fragment.
  4. Night of Fireworks — Observe the balloon's movement pattern. Time it right and launch the firework so it intercepts and hits the balloon carrying the star fragment.
  5. The Midnight Maze — Aim the spotlight at the maze to reveal the correct path. Then, simply walk along the lit path to collect the star fragment in the center.
  6. Laser Mirror Puzzle — Rotate each mirror to adjust the reflection angle of the laser. Create a path for the laser beam to travel until it hits the star fragment.
  7. The Clown and the Balloon — Aim the water gun into the clown's mouth and keep firing. The balloon on its head will inflate until it's big enough to pop up and hit the star fragment above.
  8. The Paddle Boat — Go to the paddle wheel and pedal it like a bicycle to move the boat forward and reach the star fragment.
  9. The Power of the Waterfall — Arrange the water channels to divert water from the waterfall onto the water wheel. The wheel will turn, powering the mechanism that lifts the pestle up to hit the star fragment.
  10. The Mighty Dam — Go to the valve at the bottom of the dam and turn it to open it. A powerful jet of water will shoot out of the pipe and hit the star fragment.
  11. Star-Chasing Car — Drive the car along the road to collect the star fragments placed on the path.
  12. Floating with the Balloon — Use the burner control to manage the balloon's heat. Turn the burner on to rise, and off to descend. Adjust your altitude to match the star fragments as the balloon drifts sideways.
  13. Soaring the Skies — Control the plane to take off from the runway, then steer it through the air to fly through all the star fragments.
  14. Skydiving — As you fall, steer your parachute left and right to navigate through the air and collect the star fragments.
  15. Sailing the Open Sea — Adjust the angle of your sail to catch the wind, and use the rudder to steer the boat towards the star fragments.
Levels 31–45
  1. The Snowy Peak — Use the binoculars to see which zipline leads to the star fragment. Then, choose and ride the correct zipline to get it.
  2. The Ice Village — Line up the sled with the star fragment and give it a strong push across the ice. It will slide and hit the target.
  3. Skiing Downhill — Steer your skis left and right to collect all the star fragments as you slide down the mountain.
  4. The Mysterious Ice Cave — Carry the torch to light your surroundings, then simply walk through the cave path to find and collect the star fragment.
  5. The Serene Japanese Garden — Push the floating buoy at the edge of the pond to create a wave. The ripple will travel across the water and hit the star fragment in the center.
  6. The Water Level Puzzle — For the single tank, drop stones in to displace water and raise the level to the star. For the connected tanks, add water to one to raise the level in both.
  7. Hydraulic Power — (1) Trace the correct hose to its pump. (2) Operate the multi-axis controls for the excavator arm. (3) Repeatedly use the pump to slowly lift the heavy platform.
  8. The Age of Steam — First machine: boil water to create steam to turn the turbine. Second machine: boil water to create steam to blow the lantern along the wire.
  9. The Steam Locomotive — Click and drag coal from the pile into the locomotive's firebox to generate steam power, then drive the train forward to collect the star.
  10. The European Square — This is a multi-step puzzle that combines several mechanisms you've learned:
    • Rolling a ball down a slope
    • Rolling the ball into a boat so the boat carries it to hit another star
    • Pushing a car so that it sits beneath the path the ball will roll through, then rolling the ball
    • Pressing a lever to drop a box into a trench, then walking past
    • Pushing a car out of the way to access a star
    • Toggling a lever to open and close a bridge
    • Standing on the spring lift
    • Using the ball shooter to collect a star
    • Using the ball shooter to open a passage
  11. The Magnetic Crane — Use the crane to drop a scrap car on the first star fragment. Then, use the crane to place steel plates to build a ramp to the second fragment.
  12. The Blackout City — First, go to the dam and open the water valve to generate electricity. Then, return to the city and flip the switches for the amusement park rides.
  13. The Solar Farm — Rotate all the mirror panels to reflect sunlight onto the central tower. This will automatically power the train and crane to collect the stars.
  14. Desert Driving — Drive the car along the desert path to collect all of the star fragments.
  15. The Rocket Factory — Solve the rope puzzles to clear the path. Once you've collected the last star fragment, the path to the train will open. Board the train to proceed.

Found a bug?

We work hard to make our game bug-free, but sometimes things slip through. If you've found a bug, please help us fix it by emailing ypok.contact@gmail.com with:

  • Device model — e.g. iPhone 14, Google Pixel 7
  • Operating system — e.g. iOS 16.5, Android 13
  • Level number — the level where the bug occurred
  • Bug description — what did you expect to happen, and what actually happened?
  • Screenshot or video (optional) — a picture is worth a thousand words!

Feedback & general inquiries

Have an idea for the game or just want to say hello? We'd love to hear from you! For all non-support inquiries, write to ypok.contact@gmail.com.

Thank you for playing, and happy star collecting!