Problyx vs Hidden Door

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Problyx compared with Hidden Door
Detail	Problyx	Hidden Door
What it does	Social prediction markets platform where you can predict news, sports, crypto and politics with friends using free play-money	Interactive storytelling platform where you play, create and share stories in beloved worlds
Stage	Not given	Established
Founded	Not given	2020
Based in	CY	US
Pricing model	Free	Freemium
Pricing	Not given	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).
Key features	Prediction markets on sports, politics, crypto, finance and other categories Daily Drop quiz game mode Ladder game mode (double-or-nothing) Tournaments Leaderboard rankings Community-created markets Mobile apps for iOS and Android Real-time probability tracking	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
What makes it different	Free to play with no real money required Social gameplay with duels and leagues Multiple game modes including Daily Drop and Ladder games Wide range of prediction categories	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
Free plan	Not given	Not given
Open source	Not given	Not given
Platforms	Not given	Not given
Public API	Not given	Not given
Community votes	0	0
DR (Domain Rating by Ahrefs)	11 no change since last check	44 no change since last check
Trust Flow (Majestic)	6	19
Citation Flow (Majestic)	23	37
Referring domains (Majestic)	16	602

5 details filled in for both companies.

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