Paracausality OS
Version 2026
- Processor
- Espresso, on a continuous loop
- Memory
- Every project we have delivered
- Serial number
- IT04869410615
Free online games
- 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
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