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$
USD
I will build one small HTML5 game mechanic as a working single file


Numbra
About this gig
One mechanic, one file, one day.
A click counter with upgrades. A spinning wheel. A progress bar that fills and resets. A tiny prototype to test whether an idea feels good before anyone builds the whole thing.
You get a single HTML file that opens in any browser, works on a phone, and is short enough to read top to bottom. No build step, no dependencies, no engine. The code is yours outright.
This is deliberately the smallest thing I sell. If your idea needs more than one mechanic, say so and I will tell you straight away which of my other services fits - or that it does not fit at all.
Tell me the mechanic in one sentence and you will have an answer today.
Get to know Numbra
Numbra
HTML5 and Idle Game Developer
- FromGermany
- Member sinceAug 2026
Languages
German, English
I build small, fast browser games and web tools - one HTML file, no engine, no bloat. My work loads in under a second, runs on phones and desktop, and is small enough to drop straight into a website or a game portal. I published my own idle game (24 KB, single file, portal-ready) and I build the same way for clients: clean, tested, and delivered as something you can actually ship. Tell me what number you want players to watch grow, and I'll build the loop around it.

