Interactive storytelling platform where you play, create and share stories in beloved worlds
The free endless dive trivia game where the rarest answer wins
Stage
Established
Not given
Founded
2020
Not given
Based in
US
Not given
Pricing model
Freemium
Free
Pricing
Free tier includes unlimited play across all worlds, character chat, and personal profile. Creator plan available for creating and sharing custom worlds (price not specified on pricing page).
Not given
Key features
Interactive fiction gameplay with branching narratives
Character chat and side conversations
Atlas world-building studio
Licensed worlds from film and publishing partners
Modifier cards for story customization
Private and public world sharing options
Creator API for building custom experiences
Hand-drawn art and human-written narrative beats
Seven prompts per dive with 25 seconds each
Six rarity scoring tiers from Plankton to One in a Krillion
Ocean depth visualization showing score as metres descended
Five real ocean zones from Sunlit Shallows to Hadal Trench
Unlimited mode for endless practice dives
Daily dive with same prompts for everyone
Multiplayer with pass-and-play or online rooms
Practice mode with no time pressure
Question bank with 172 hand-built questions
No account required; play as guest
What makes it different
Protects creator IP and never trains models on partner content
Narrative world model ensures canon compliance across all player stories
Human-created narrative beats and art paired with specialized AI
Transmedia experience combining fanfiction, RPGs and social gameplay
Small tuned models that outperform larger general models on narrative tasks
Rewards rare answers rather than just knowledge or speed
Never reveals answer lists to preserve mystery
Completely free with no premium tier or paywall
Score visualized as real ocean descent through five zones
Hidden Door
Free Krillion