WorldQL blog · Dec 2025
WorldQL announced OpenMonsters, an open-source multiplayer dungeon for AI evaluation and training, and said it showcases Dreamlab for building RL and evaluation environments.
Multiplayer engine for building games and RL environments
Company research
Public company, workplace, funding, and market signals
Updated Jul 29, 2026
Overview
WorldQL is a Boulder-based AI/developer-tools company focused on Dreamlab, a browser-based game engine and collaborative platform for building RL environments and AI evaluation/training systems; it originated as a multiplayer/game backend project and has since shifted toward AI infrastructure.
Primary product
Dreamlab
Founded
2021
Headquarters
Boulder, Colorado, United States
Team size
1-10 employees
Work style
Remote
Industry
Software Development
Sub-industry
AI evaluation and training infrastructure
Offices
Boulder, Colorado, United States
New Castle, Delaware, United States
Business model
B2B software
enterprise services
open-source tooling
Funding
Stage
Seed
Total raised
$500K
Latest round
Seed · Mar 2022
Latest amount
$500K
Mar 2022 · Y Combinator
People & investors
Leadership
Founder
Investors
Work & culture
Open-source, browser-first, collaborative, and fast-iteration oriented, with a strong emphasis on AI evaluation and training workflows.
Work style
Remote
Product & market
Pricing
Not publicly disclosed; appears to be direct-sales / contact-for-a-call.
Differentiators
- —Builds environments up to 10x faster than traditional workflows
- —Browser-based collaborative editor
- —Visual version control for environments
- —OpenEnv-compatible Docker export
- —Built on web technologies
- —Supports multi-agent editing and multiplayer environments
- —Focuses on RL and AI evaluation rather than general-purpose game dev
- —Supports both humans and AI interacting in the same environment
- —Open-source components and public GitHub repos
Technology
TypeScript
Deno
Web technologies
Browser-based editor
Rapier physics engine
ZeroMQ
Docker
OpenEnv-compatible containers
Key-value database
Multiplayer networking
Customers
AI labs
AI model vendors
enterprise AI teams
game developers
game studios
Competitors
Coherence
Edgegap
Pockethost
Gameye
Nodecraft
Scale & contact
Estimated revenue
≈$171k estimated annual revenue
Estimated monthly visits
88
Latest news
Dreamlab blog · Sep 2024
Explains Dreamlab’s architecture and positioning as an open-source multiplayer game engine with real-time collaboration, AI assistance, and built-in deployment.
WorldQL blog · Feb 2022
WorldQL described Mammoth v0.73 and its use for synchronizing Minecraft server processes for large player bases before the company shifted focus beyond Minecraft.
WorldQL blog · Sep 2021
Early company story describing WorldQL as a real-time, scriptable spatial database for multiplayer games, created to support an auto-scalable Minecraft server.
Jobs and careers at WorldQL
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