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The project file of Detektif Dua Struk costs US$79. 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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Detektif Dua Struk

Compare two shopping receipts, find each item’s price, then crack the market case

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Detektif Dua Struk turns grade-8 simultaneous linear equations into a detective adventure in Pasar Sentosa market. Players read two shopping receipts whose unit prices are missing, match item counts with multipliers, subtract the receipts, then type the real prices into the notebook. Those prices are used to test the suspects’ statements and catch the liar. Twelve linked cases lead from simple differences through voucher and cash receipts to a final case that unmasks the leader of the receipt-forging gang. Every case is proven solvable, ready for school campaigns, textbook publishers, or your own shop and supermarket brand. Try it right here below, then picture a game like this featuring your brand’s logo, characters and prizes.

Play It Now

Tap + / - to multiply a receipt then Subtract · type prices on the keypad (Enter = OK) · pick a suspect then Catch · Tab switches receipt · 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

CategoryAdventure Game
ThemeJunior High
LanguageID · EN

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Gameplay

12 linked cases with a story, suspects, and secret letter stamps that spell the mastermind’s name in the last case
Detective mechanics: match item counts with multipliers, subtract two receipts, work out unit prices, then check suspects’ statements against the real prices
Voucher and cash receipts that require working out the goods total first, with tiered hints and stars for fewer wrong tries
A date-seeded Daily Case with a day streak, a Notebook collecting 18 market item prices, 8 badges, and an online leaderboard

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 market name, item list, and prices for your own shop, minimarket, or publisher products and logo
Ideal for school math-literacy campaigns, shopping-mall activations, high-score prize quizzes, and equation-teaching material
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 Detektif Dua Struk Online for Free on Phone and Laptop

Detektif Dua Struk is a detective game for solving two-variable equations 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. Detektif Dua Struk 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 Detektif Dua Struk

Is Detektif Dua Struk free?

Yes. Detektif Dua Struk is free to play online in your browser, with no download and no sign-up needed.

Can I play Detektif Dua Struk 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 Detektif Dua Struk?

Tap + / - to multiply a receipt then Subtract · type prices on the keypad (Enter = OK) · pick a suspect then Catch · Tab switches receipt · P pause · M sound

How many levels does Detektif Dua Struk have?

Detektif Dua Struk is built in progressive steps, with the difficulty rising as you play. Category: Adventure Game.

Can I order a version with my own brand?

Buy the Detektif Dua Struk 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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