Jam Matahari

Plant a stick, mark the shadow, then read time and direction in 15 places from the equator to Iceland

Theme: Science & Technology Category: Creative Game

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Jam Matahari turns players into sundial makers: plant a stick in a schoolyard, a temple courtyard, a garden or a town square, then mark its shadow tip hour by hour. From those dots players build a sundial, read the time from a frozen shadow, find solar noon, predict a hidden shadow by mirroring it across the noon line, and find north in a rotated courtyard with no compass. The sky changes color through the day, tree and pillar shadows drift softly over stone, sand and grass, and a “Did You Know?” science card closes every stage. It is ready to be re-skinned with the ordering brand’s theme, mascot and message. Try it right here below, then picture a game like this featuring your brand’s logo, characters and prizes.

Play It Now

Tap the shadow tip or pick an answer for each mission · slide the time, stick height or month · ← → adjust, Space run time, Enter lock, P pause, M sound

Play Full Screen (best on phones)

Rotate your phone to landscape for the best experience.
Add to Home Screen from your browser menu for quick access.

Game Info

CategoryCreative Game
ThemeScience & Technology
LanguageID · EN
DevicesPhone · Tablet · Laptop
No installPlays right in the browser
Price to playFree to play
Project file priceUS$49
ControlsTap the shadow tip or pick an answer for each mission · slide the time, stick height or month · ← → adjust, Space run time, Enter lock, P pause, M sound

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Gameplay

15 stages in real places, from Yogyakarta, Giza and the equator to Rome, London and Reykjavik, where latitude and season change the shadow’s length and direction
8 kinds of creative missions: mark the shadow tip each hour, predict a hidden shadow, find solar noon, set the stick height, pick a month, tell which way a shadow turns, read the time, and find north
Stone-paved yards, a mossy temple, gardens, desert sand and cobbled streets with soft moving shadows and a sky that changes through the day
A “Did You Know?” card on every stage, notes on scientific simplifications, Premium Coin bonuses (Golden Gnomon and Glowing Marker Stones), and Indonesian and English language

Production Quality

Original graphics, characters, music and sound effects created by our team
Plays instantly on phones, tablets and laptops with nothing to install, lightweight and smooth at 60 fps
Touch and keyboard controls, with high scores and progress saved on the device
Available in Indonesian and English

Order One for Your Brand

Swap the stick and courtyard for your brand’s products, mascot or campaign message, with your own colors and fact cards
Ideal for school and science-museum partnerships, planetariums, or heritage and temple tourism as an in-app game or interactive kiosk
Add online leaderboards, coupons or prizes, QR codes for events and visitor data forms
Fast turnaround from concept to launch, including setup on your website or app

Play Jam Matahari Online for Free on Phone and Laptop

Jam Matahari is a creative science sundial and shadow game you can play online for free right in your browser, with no download and no app to install. It runs smoothly on Android phones, iPhones, tablets, laptops and PCs, so it is perfect for a quick break at any time. The difficulty rises step by step, welcoming for beginners yet still challenging for experienced players. Jam Matahari is developed by PT Cerdas Inovasi Digital, a game development studio in Indonesia, and can be customised for brand promotions, events and education.

Play Full Screen

Frequently Asked Questions about Jam Matahari

Is Jam Matahari free?

Yes. Jam Matahari is free to play online in your browser, with no download and no sign-up needed.

Can I play Jam Matahari on my phone?

Yes. It runs in the browser on phones, tablets and laptops. On a phone, use the full screen button and rotate to landscape if the game needs more room.

How do I play Jam Matahari?

Tap the shadow tip or pick an answer for each mission · slide the time, stick height or month · ← → adjust, Space run time, Enter lock, P pause, M sound

How many levels does Jam Matahari have?

Jam Matahari is built in progressive steps, with the difficulty rising as you play. Category: Creative Game.

Can I order a version with my own brand?

Yes. We build custom games with your logo, mascot, prizes and leaderboard for events, booths, campaigns and education. Contact us on WhatsApp for a concept and quote.

How do I buy the project file?

The project file of Jam Matahari costs US$49. Use the "Buy project file" section on this page to pay online or order via WhatsApp; bundle discounts apply when you buy several games.

Buy the Jam Matahari Project Files

Get the full game to learn from, customise for your brand or publish on your own site.

Complete source code (HTML5 Canvas + JavaScript), no libraries or build step needed
All levels, graphics, music and sound effects included, ready to run in any modern browser
A short guide to changing texts, colours and difficulty and putting the game on your own website

Instant download after payment · secure checkout by PayPal · Buy 3+ games together and save up to 30%

Want a game like this for your brand?

We design and build custom games for event activations, booths, campaigns and education, complete with your logo, mascot, prizes and leaderboards. Besides web (HTML5), we can build it in the format you need: Unity, Unreal Engine, Godot, an Android/iOS app, a desktop (Windows/Mac) game, a touchscreen kiosk, WebGL 3D, or AR/VR. Tell us your idea and we will send a concept and quote.

Order via WhatsApp Game development services

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