BonX2 Game
A candy-coated balance puzzler that turned physics-based play into daily habit-forming fun.
- casual-game
- puzzle
- physics-engine
- mobile-game
- unity

Cut gamers' spending by comparing, trading, and reselling titles across every major retailer in one app.
Project Snapshot
The Challenge
Before partnering with iMobdev, the client ran a small community forum where gamers swapped tips on where to find the cheapest new and used titles. Every recommendation was manually researched — a team member would check Amazon, Fnac, Auchan, and PriceMinister by hand and post the results, which meant prices were stale within hours and coverage was limited to a handful of popular titles per week.
Gamers had no single place to compare live prices across retailers, let alone trade a game they'd finished for one they actually wanted. That gap pushed buyers toward whichever store they happened to remember, often overpaying by several euros per title, while sellers of used games had no efficient channel beyond classifieds and playground word-of-mouth.
The client's ambition was to turn that manual research habit into a self-service marketplace: scan a barcode, see every price instantly, and either buy at the best rate or trade directly with another player. Without automation, that vision was capped at the size of one volunteer team's spare time, and the business cost of staying manual was a hard ceiling on both catalog size and daily active users.
A further constraint was retailer data: pricing pages changed layout often and had no public APIs, so any solution needed to be resilient to upstream formatting drift without requiring constant manual patching.
Our Solution
iMobdev proposed a mobile-first marketplace built around three actions gamers already understood — trade, compare, and sell — anchored by a single search-or-scan entry point so users never had to type a full game title. The strategy prioritized speed to first result: from launch, a user reaches a price comparison or trade listing in three taps or fewer.
On the architecture side, we built native barcode scanning tied to a games catalog service, backed by a scheduled scraping and normalization pipeline that polls partner retailers (Amazon, Fnac, Auchan, PriceMinister) and republishes clean, comparable price records. A Node.js API layer serves catalog search, price history, and trade-offer matching, while MySQL stores structured game, platform, and offer data.
UX decisions were driven directly by what gamers needed to decide fast: the game detail screen surfaces trading-proposal counts, offers-compared totals, lowest price, and resale value as four equal-weight tiles, so a user can jump straight into "Trade my game," "Compare the offers," "Find the best price," or "Sell at the best price" without hunting through menus. A dedicated Compare & Buy screen separates brand-new from used pricing and ranks retailers under a "Top Sellers" banner, borrowing familiar retail-app conventions (Amazon, Fnac, Auchan branding) so trust transfers instantly.
Onboarding was kept low-friction with Google, Facebook, and native sign-in options plus a lightweight profile form, since acquisition depended on removing every unnecessary step between download and first scan. We shipped in two phases: a core search-compare-buy MVP first, followed by the trading and offer- matching layer once the price engine was stable in production.
The Impact
Within the first quarter post-launch, the price comparison engine was indexing offers from four major retailers and surfacing potential savings of up to 10 euros per title on popular releases. Barcode-first search cut the average time-to-price-check to under 15 seconds, and the trading module generated hundreds of active swap proposals within weeks of release, validating demand for a peer-to-peer channel alongside retail comparison. Retailer-side price scraping ran with over 99% uptime thanks to the resilient normalization pipeline built to absorb layout changes. The roadmap ahead focuses on expanding retailer coverage and predictive price-drop alerts to keep gamers buying at the right moment.
Key Features
Scan a game's barcode or search by title to jump straight to pricing and trade options.
Post and browse trading propositions to swap finished games with other gamers directly.
Compare new and used prices across Amazon, Fnac, Auchan, and PriceMinister instantly.
One-tap links to the lowest new or used price, and guidance to sell at the best rate.
See which retailers currently offer the best new and used deals for any given title.
Join via Google, Facebook, or a native account with a lightweight profile setup flow.
Screenshots
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“iMobdev turned our manual price-checking habit into a real product gamers open every week — the barcode scan alone changed how our community shops.”
Julien Marchand
Founder, Game2Game
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