JUSTIN   YUAN

Investments

Through TIRTA Ventures, I invest across creator tools, content, and infrastructure in gaming and interactive AI. Select portfolio companies below.

Overworld Real-time world models that generate playable, interactive environments at 60 FPS.
Storeel AI-powered short drama platform delivering bite-sized vertical video series to global audiences.
nunu.ai Multimodal AI agents that test and play any game with human-like behavior.
Artificial Agency Tools for creators to direct intelligent agents and orchestrate dynamic digital experiences.
Hadean Supercomputing Cloud-native infrastructure to power massive, interoperable virtual worlds for games and enterprise.
Gardens Interactive Online multiplayer games built around meaningful player connection.
Midsummer Studios Reviving the life sim genre through player-driven storytelling and creative expression.
Common Sense Machines (acquired by Google) Turns 2D images and video into high-quality 3D assets using generative AI.
Cartwheel Generative animation platform for rapidly producing high-quality character animations.
Voldex Premier home for top UGC games on Roblox, connecting millions of players.
Bitpart AI AI-driven NPCs that bring game worlds to life with dynamic, multi-agent interactions.
Good Start Labs Gaming environments where millions of players naturally help evaluate and train AI models.
Leonardo AI (acquired by Canva) Generative content platform enabling creators to rapidly produce high-quality visual assets.
Loci (acquired by Epic Games) AI-powered search, tagging, and management of 3D assets.

Select investments I led during my time at Tencent.

Roblox (IPO'd on NYSE) The defining platform for user-generated gaming experiences and virtual social interaction.
mod.io Cross-platform modding infrastructure powering UGC for games and studios at scale.
Eleventh Hour Games (acquired by Krafton) Action RPG studio behind Last Epoch, blending deep character systems with modern live service.