The momentum behind Caffeine AI hasn’t slowed on Day 9. Builders across the Internet Computer community continue to experiment with the alpha version, publishing a mix of casual games, community tools, and feature-rich platforms. Some of these apps are early prototypes, some are polished enough to be useful straight away, and many are landing somewhere in between. The common thread? A lot of output, a little chaos, and plenty of energy.
One of the more detailed builds shared on Day 9 came from X user @AlphaWarden_, who posted Kingdom Clicker, a medieval-style idle game that lets players evolve a peasant hut into a full-fledged fortress. It’s a familiar concept — think Cookie Clicker with castles — but the creator’s workflow reveals how far Caffeine has come. The game is already in its 24th version, with about a quarter of the changes made for visuals and quality of life. According to the post, it took roughly five to six hours of work from start to upload.
The developer gave a few practical suggestions for working with the alpha. Before even starting to build, he consulted Caffeine about the game idea and used Gemini to generate a safe prompt that Caffeine would understand without triggering security filters. One of the standout instructions in his prompt was to keep the backend flexible for future upgrades — a forward-thinking move that paid off as new features were layered in.
The visual side wasn’t left behind either. The creator used Uplynk to swap out placeholder assets by prompting Caffeine to update models with specific links. While issues like balance and placeholder graphics still need attention, the rapid build cycle makes it clear how this kind of project would’ve taken days or weeks using traditional tools. That same speed is evident across several other projects showcased on Day 9.
@isaactevin shared a beta build for an onboarding platform that introduces newcomers to the ICP ecosystem, all made without touching a single line of code. The app, according to the post, helps users go from basic community interaction to actual job opportunities within the ecosystem. The simplicity of creation highlights a central idea around Caffeine — rapid development is no longer only for engineers.
Another contributor, @CaffeineIam, pushed out a production-ready app called CryptoWiki, a clean, functional project that runs live on the ICP network. The creator described the alpha as smooth and on point, celebrating the fact that it already delivers real utility. There wasn’t a detailed breakdown of prompts or iterations, but the launch itself suggests confidence in Caffeine’s output.
Meanwhile, @RickColi experimented with cloning and customising an existing dapp to create MicroFund, a trustless micro-funding app. The approach was straightforward and efficient: three prompts to tweak campaign logic, redesign the interface, and add both fiat and crypto support. This included features like goal tracking, currency selection, login management, and proof-of-donation options.
What’s interesting here isn’t just the result — it’s the pace. From prompt to prototype, the cycle is increasingly short. That doesn’t guarantee polished products, but it does encourage trial, feedback, and fast improvements. It’s less about building one perfect app and more about testing a dozen ideas in quick succession.
There’s still room for fun and nostalgia, too. @leftonredtweets built a 2D arcade shooter in the style of Asteroids, using Caffeine to layer in everything from progressive thrust and UFO upgrades to high score systems and wave-based progression. The creator wanted a game that looked and felt like the original, right down to ship physics and retro aesthetics. After some visual tuning, the game came together. It’s hard to miss the passion behind it — this is clearly someone who remembers the clunky 90s PCs where games like this first took off.
Alongside the shooter, the same creator shared another Caffeine-made tool inspired by DocuSign. While details were limited, it was pitched as a secure, fast document signing platform. Whether it’s aimed at enterprises or individual users remains to be seen, but it’s another case of a big concept turned into a working product in little time.
On the community utility side, @X2worldtech launched ICPedia, a decentralised encyclopedia for the ICP ecosystem. The details were light, but the naming and intent point toward an ongoing effort to document key topics and projects. Whether this becomes an educational resource or a reference tool depends on the team and the updates that follow.
Another unique build came from @TraderTrev_TT, who introduced Feedback Loop, an invite-only feedback platform designed to help improve Caffeine itself. It collects and sorts suggestions from alpha testers, allowing verified users to moderate the input before it gets passed on to support. Categories, priorities, device types — it’s all structured in a way that can be replicated for other communities too. In a sense, it’s Caffeine writing its own feedback mechanism, one version at a time.
The posts weren’t all focused on what’s finished. Some devs used their space to share partial builds or request feedback from others in the community. That kind of public iteration is becoming a recurring theme. It’s still alpha, after all — most of these builds are early-stage, and creators are upfront about known bugs and areas that need refinement.
But speed counts for something. Whether it’s a game that recalls the 1990s or a fundraising tool that connects communities, the idea that someone can push out a prototype in hours instead of weeks is powerful. Caffeine AI isn’t solving all the hard problems yet, and users are still learning how to craft prompts that don’t break the build process. Still, the variety of apps shared so far shows how flexible the tool already is.
As the days go on, patterns are starting to form. Developers are leaning on prompt engineering more than code editing. Users are clustering around app categories like games, education, productivity, and community engagement. And support tools — from onboarding to feedback — are making early appearances across multiple builds. There’s still a lot to figure out, but this stage seems to reward experimentation above everything else.
The tone across these updates is refreshingly honest. Posts come with disclaimers about broken assets, skipped features, or UI limitations. Builders are candid about what worked, what didn’t, and what they learned in the process. Some apps feel like quick wins. Others hint at long-term potential. All of them reflect the kind of creative freedom that comes with removing the usual barriers to shipping.
The question of how Caffeine scales, matures, or adapts beyond alpha still hangs in the air. But nine days in, it’s clear that users aren’t waiting around for permission or perfection. They’re building, iterating, sharing, and occasionally crashing things — exactly what a strong alpha is supposed to encourage. Whether these apps go on to see wider use or fade into GitHub archives isn’t the point right now. The process is what matters, and it’s already moving fast.
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