Paracausality OS
Version 2026
- Processor
- Espresso, on a continuous loop
- Memory
- Every project we have delivered
- Serial number
- IT04869410615
- DebugThe developers' minesweeperPlay
- Deploy RunnerShip your code to productionPlay
- CompilaFalling code blocksPlay
- VersionsMerge releases up to v1.0Play
- Code SprintType code as fast as you canPlay
- FirewallDefend the server from attacksPlay
- MemoryPairs of our projectsPlay
- SnakeEat the bugs, don't bite your tailPlay
Every game has its own weekly leaderboard.
Arrows or WASD to move · Space to start and pause
Click to check a cell · right-click to place a fix · click a number to check its neighboursTap to check · long-press or use Fix mode to mark a bug
Space, up arrow or click to jump · hold to jump higherTap to jump · hold to jump higher
← → to move · ↑ to rotate · ↓ to go down · space to drop · P to pauseSwipe to move · tap to rotate · swipe down to drop
Arrows or WASD to slide the versionsSwipe to slide the versions
Type the code lines exactly as shown · 60 seconds · speed and accuracy both count
Move the mouse or use ← → · click or space to launchDrag your finger to move · tap to launch
Find the project pairs as fast as you can
Website development for businesses: fast, polished and easy to find on Google
We build company websites, e-commerce, customer portals and custom web platforms. Every site is designed from scratch around the company, optimised for Google and AI search engines, and built to turn visits into enquiries.
What we build
Company websites
They present the company, services and work clearly, in one or more languages.
E-commerce
Online stores with payments, also connected to business software and ERPs like Odoo.
Portals and private areas
Spaces where customers, suppliers or staff access their data and documents.
Web platforms and SaaS
Subscription services and full web applications, like Vexamp.
What every site includes
- Custom design, not a theme from a catalogue
- A phone version as polished as the desktop one
- Technical SEO: fast pages, structured data, sitemap, multilingual versions
- Optimisation for AI search engines such as ChatGPT and Perplexity
- Contact and request forms that really reach your inbox
- Anti-spam protection and privacy compliance (GDPR and cookie consent)
This site is an example
The site you are looking at works like an operating system in the browser, with windows, games and two languages, and it stays fast and indexable. It shows what we can build when a site needs to be memorable.
Some of our projects
Frequently asked questions
How long does it take to build a website?
It depends on pages, features and content. Timelines are set in the quote, after an initial analysis.
Will we be able to update the site ourselves?
Yes, when needed we include a panel to edit text, images and products without technical skills.
Do you also handle hosting, domain and email?
Yes, we can publish and run the site on our servers, with your domain and business email.
Will the site show up on Google?
We take care of technical SEO from day one: speed, page structure, structured data and content written for what your customers search for.
Wallpaper
Wallpapers are animated and generated in code. Your choice is saved in this browser.
Appearance
Starts after 2 minutes of inactivity.
Now and then a bug crawls across the screen. Move the pointer close and squash it.
Dock
Language and sound
Short, subtle sounds when windows open, for notifications and on unlock.
Paracausality OS
The Paracausality Systems website, built as an operating system. Every project is an app, every section a window.
- Company
- Paracausality Systems
- VAT no.
- IT04869410615
- Shortcuts
- Ctrl K to search · Esc closes the front window · right-click the desktop for wallpapers
Book a call
Days with a dot have free slots. We confirm the time by email.
New project
Tell us what the software needs to do. We reply with the right questions or a call proposal.
Mon–Fri 9–18 CET · VAT IT04869410615