Infinite high-fantasy adventures, played offline in your browser
Mythforge generates worlds, quests, and characters locally on your device. No servers, no uploads, total privacy. Your data never leaves your device.
Plans from $9/mo
Mythforge
Mythforge is a high-fantasy adventure where an on-device AI dungeon master generates unique worlds, quests, and characters locally. Play entirely offline with zero data uploads, ensuring your secrets remain yours alone. (~1 GB on first use, use Wi-Fi.)
Your private AI Dungeon Master
A high-fantasy adventure generated locally on your device. No servers, no uploads, total privacy.
On-device AI engine
The AI runs directly in your browser. Your data never leaves your device, ensuring 100% privacy and offline play.
Infinite replayability
Forge an original legend each run. Worlds, quests, and characters are generated uniquely every time you play.
Deep immersion
Experience a rich, narrative-driven adventure with a responsive AI DM that adapts to your choices in real-time.
Zero latency
Instant responses without server lag. Play smoothly even with unstable internet or completely offline.
Browser-native
No downloads or installs required. Launch your epic journey directly from any modern web browser.
Your story, your data
Since nothing is uploaded to our servers, your adventure history and secrets remain strictly yours.
Three steps
From a blank screen to a living legend.
Start
Open the game in your browser and choose your hero's origin.
Play
Make choices as the on-device AI weaves your unique narrative.
Forge
Create a new legend every run with procedurally generated worlds.
Simple pricing
Pick a plan and start today.
One subscription unlocks every BestPaid tool except TradePulse, which is sold separately — see the full catalogue at bestpaid.app/saas.
For casual adventurers
- Unlimited offline play
- Full on-device AI access
- Cancel anytime
For legendary heroes
- Unlimited offline play
- Advanced world generation
- Custom character templates
- Priority support
Frequently asked
How does the on-device AI work?
Mythforge runs entirely in your browser. The AI Dungeon Master generates worlds, quests, and characters locally on your device — no internet required after loading, and your data never leaves your device.
Do I get a free trial?
No — this is a paid tool with plans from $9 a month. Starter is $9/mo and Pro is $19/mo; you can cancel any time.
Is my game data private?
Absolutely. Since the AI runs locally on your hardware, your story choices, character details, and world states are never uploaded to our servers. Your legend stays yours.
How do I pay, and can I cancel?
By card through our checkout. Plans are billed monthly and you can cancel at any time. Your access continues until the end of your billing cycle.
Forge your legend, privately.
Play in your browser, offline. Pick a plan and start your first adventure in seconds.
See plans