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The project file of Irama Bandul costs US$89. Use the "Buy project file" section on this page to pay online or order via WhatsApp; bundle discounts apply when you buy several games.

Cerdas Inovasi DigitalSoftware Developer ~ Custom ServicesTraining ~ Established since 1995

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Irama Bandul

Tune the string, swing the pendulum to the gamelan beat

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Irama Bandul is a science simulation game that blends pendulum physics with the rhythm of gamelan. Players set the string length so that every time the pendulum passes its lowest point, its chime lands right on the beat, helped by a ruler, the formula T = 2π√(L/g) and a swing tuner. Twenty levels take players from a morning pavilion, a sunset garden and a palace at night to stages on the Moon and in a Mars crater with different gravity, bobs swapped mid-song, changing irama and big swings. The pendulum period becomes something you hear and feel, not just a formula to memorise. Try it right here below, then picture a game like this featuring your brand’s logo, characters and prizes.

Play It Now

Drag up and down or press ▲▼ to set the string length so the pendulum passes its lowest point on the beat · 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

CategorySimulation Game
ThemeScience & Technology
LanguageID · EN

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Gameplay

A pendulum with real physics: the period depends on string length and gravity, not on the bob’s mass, including the big-swing correction
20 levels across 5 stages: Morning Pavilion, Sunset Garden, Palace Night, Moon Stage (g 1.62 m/s²) and Mars Crater (g 3.71 m/s²)
Beat judging with Perfect, Good and Miss down to the millisecond, an In Sync meter, combos, three stars and a record for every level
A Did You Know card in every level, a swing tuner, live formulas on screen and original gamelan music that locks to the swing

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

A learning tool for oscillation and harmonic motion in schools, tutoring centres and education platforms
Great for science fairs, museums and cultural campaigns that want to introduce gamelan through play
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 Irama Bandul Online for Free on Phone and Laptop

Irama Bandul is a pendulum physics and gamelan rhythm simulation 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. Irama Bandul 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 Irama Bandul

Is Irama Bandul free?

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

Can I play Irama Bandul 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 Irama Bandul?

Drag up and down or press ▲▼ to set the string length so the pendulum passes its lowest point on the beat · P pause · M sound

How many levels does Irama Bandul have?

Irama Bandul is built in progressive steps, with the difficulty rising as you play. Category: Simulation Game.

Can I order a version with my own brand?

Buy the Irama Bandul 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.

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