Jars AI founders join Roblox Foundation AI after shipping Build in New Zealand

Aug 4, 2026

Summary

Roblox absorbed Jars AI co-founders Steffen Holm and Chris Kruger into its Foundation AI team

The pair already shipped Roblox's mobile-first Build tool in New Zealand before formally joining

Jars AI hit 250,000 users and top-100 App Store entertainment on just $3.5M from Google and South Park Commons

This is Roblox's second AI acquihire after Morpheus AI, establishing a pattern of consolidating consumer AI talent

"Chris Kruger and Steffen Holm have been instrumental in helping us ship Build in New Zealand already"

— Nishchaie Khanna, Senior Director of Engineering, Roblox

Founded January 2023, Jars AI built 3D simulations driven by AI agents and LLM-to-LLM communication

The product reached 250,000 users and top-100 App Store entertainment on $3.5M from Google and South Park Commons

Core loop lets non-technical users generate interactive environments through AI - Roblox's exact mobile creation gap

"We saw hundreds of thousands of creators use AI to shape weird new worlds and stories"

— Steffen Holm, Jars AI co-founder

Holm and Kruger helped ship Build during its New Zealand pilot before formally joining Foundation AI

Build shares backend, AI models, and chat history with Roblox Studio for mobile-to-PC project portability

The tool extends AI-assisted mechanics, environments, and characters to creators who never opened Studio

Shipping before hiring signals Roblox de-risked the acquihire through a working integration first

Jars AI follows Roblox's earlier Morpheus AI absorption and founder hires into the same team

Two consecutive AI acquihires establish Foundation AI as Roblox's talent rollup channel for consumer AI

Signal for UGC-AI startups: Roblox is acquiring teams that already ship AI-native creation at scale

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