What is sfact.io?
sfact.io is the next evolution of multiplayer in Satisfactory. We've reimagined how you play with friends by turning your save files into persistent, remote builds with incredible new capabilities.
Imagine bringing your Satisfactory save to a high-powered arcade machine whenever you want to play. That's sfact.io - your personal Game Saves on the Internet with professional-grade hardware and features that transform how you build, collaborate, and experience Satisfactory.
Instant Power
Scale from 1 CPU to 32+ CPUs with a simple restart
Always Available
Persistent worlds that never depend on any single player
Time Travel
Restore any moment in your build's history instantly
We fundamentally change how you think about online gaming. Instead of renting a "server," you manage Game Saves on state-of-the-art gaming infrastructure on the Internet. Your Game Saves are always ready to play by you and anyone you invite - from anywhere.
✨ Complete Freedom
- • Upload your existing save files instantly
- • Download and play locally anytime
- • Switch between devices seamlessly
- • Full portability - no vendor lock-in
- • Multiple Game Saves simultaneously
🚀 Powerful Features
- • Instant hardware scaling
- • Advanced save versioning
- • Real-time performance monitoring
- • Smart cost optimization
- • Professional-grade reliability
Your .sav file is automatically versioned every 5 minutes, creating a complete timeline of your build's progress that you can interact with.
Instant Restoration
- • Restore any previous version instantly
- • Recover from power grid disasters
- • Delete a whole set of factories, then change your mind
- • Experiment without fear of mistakes
Smart Storage
- • 1 GB free active storage
- • 100 GB free archival storage
- • Automatic intelligent thinning
- • Bookmark important milestones
Perfect for Content Creators
YouTubers can go back to specific moments in their playthrough to record new content. Share specific save versions with the community for challenges or showcases.
Like an arcade, you buy tokens and spend them only when playing. No monthly fees, no hidden costs, no commitments. You're only charged when your Game Save is in a "playable" state.
Billing Protection
Automatic billing stops during outages. Full refunds for our mistakes.
Minute-Based Billing
Charged by the minute (rounded down). Stop playing, stop paying.
Auto Cost-Saving
Auto-shutdown, AFK mode scaling, and scheduling features.
Advanced Features
Enable "Spot" mode for 50% cost reduction. If Google needs the hardware back (about once a day), your game automatically restarts on new hardware within minutes.
Monitor your server's performance from any device, even while playing on another. Three layers of detailed metrics.
- • Game state (1-second updates from Satisfactory API)
- • Historical CPU/memory performance graphs
- • Real-time VM health and resource usage
- • Performance alerts and notifications
Share your achievements with the community or collaborate privately with friends on the same build.
- • Public sharing via link for showcases
- • Private sharing with friend groups (coming soon)
- • Perfect for community challenges
- • Retain full control as the owner
Automated features that save money and eliminate management overhead.
- • Auto-shutdown after configurable inactivity
- • AFK mode: Scale down when no players online
- • Scheduled start/stop times
- • Automatic restart on crashes
🏭 Build Automation
Leave your build running on a cheap machine configuration while at work, then scale up to powerful hardware when actively playing.
👥 Gaming Communities
Persistent world that's always available. No more coordinating with the "server admin" to get the game running.
🎬 Content Creators
Time-travel through your build's history, share specific moments with viewers, and never lose progress.
⚡ Performance Seekers
Access high-performance hardware instantly. Scale from 1 CPU to 32+ CPUs with a simple restart.
💰 Budget-Conscious
Vacation for two weeks? Pay nothing. Only pay when you're actively using the service.
🔧 Tech Enthusiasts
Deep performance monitoring, multiple machine types, advanced features, and complete control.
sfact.io was created by passionate gamers who happen to be professional engineers. We built the platform we always wanted while playing Satisfactory - one that solves the real challenges we faced firsthand in our own gaming sessions.
Our Promise
- • Zero-downtime goal with enterprise reliability
- • Engineer-led customer support
- • Full refunds for any downtime or issues
- • Transparent pricing with no hidden fees
Join the revolution in Satisfactory multiplayer. Create your first persistent Game Save and experience the freedom of cloud gaming.