May 4, 2019 · 39m · a16z
Founding Stories: Sandbox VR
gold bands on the timeline = statements, start to end. Hover to read, click to jump. CC turns on captions
This episode of Andreessen Horowitz's Founding Stories features Sandbox VR co-founders Steve Zhao and Siki Chen alongside a16z General Partner Andrew Chen as they discuss building a location-based virtual reality company. They explore the company's early funding struggles, full-stack business model, technological innovations, and long-term vision for interactive VR entertainment.
How this conversation actually went
Every chapter scored 0–10 on four independent dynamics. Hover any point for the reasoning behind the score. How this is scored →
speaking balance: gold is the host, purple is the guest (3 minute bins)
Siki lightheartedly but bluntly recalls telling founder Steve that pitching VR escape rooms was the dumbest pitch he had ever heard.
Hardest push from the host ▶ 2:12 Andrew corrects Siki's Nickelodeon referenceAndrew quickly cuts in to ensure Siki isn't confusing 100-year-old Nickelodeons with the modern TV network.
Biggest teaching moment ▶ 36:26 Siki reframes the Spaghetti Western analogy to silent filmsSiki corrects Andrew's comparison to Spaghetti Westerns by arguing VR is actually in its silent film era, explaining how game agency transforms the storytelling paradigm.
The host holds their own ▶ 26:10 Andrew lays out his core thesis on game DNA versus film DNAAndrew demonstrates his subject matter expertise by comparing competitors in Vegas and explaining why interactive game mechanics offer superior frequency over passive cinema.
the scores for every segment, with the reasoning behind each
| Chapter | Topic | The host as informed peer | Guest teaching | Guest disagreement | The host pushing back | Why |
|---|---|---|---|---|---|---|
| Legal Disclosures | 4 | 3 | 1 | 2 | Andrew demonstrates familiarity with film industry analogies and interrupts briefly to clarify Siki's reference to historical Nickelodeons rather than the cable channel. Siki provides historical context on Hollywood's vertical integration, which Andrew connects to early VR distribution. | |
| Initial Fundraising Challenges and Investor Skepticism | 3 | 3 | 1 | 1 | Steve and Siki describe the tactile physical experience of location-based VR compared to home VR. Andrew validates their points by drawing comparisons to famous movie scenes like the gun rack in The Matrix. | |
| Title Card: Raising the Seed | 2 | 4 | 1 | 0 | Steve recounts the intense financial strain of losing 90 percent on their first consumer VR title and pitching investors with one month of runway. Andrew asks structured questions to clarify team size and timeline details while Steve educates him on the survival struggle. | |
| Virality, the Green Room Effect, and Winning Over Investors | 4 | 3 | 2 | 2 | Andrew reveals his own historical blunder in passing on Sandbox VR's seed round while working at Uber because he couldn't test the hardware in person. Siki humorously pokes fun at Steve's early pitches while acknowledging why early investors were skeptical. | |
| Title Card: Raising the Series A | 5 | 2 | 1 | 1 | Andrew presents a strong investment thesis based on testing competitor products in Las Vegas, arguing that interactive game DNA creates far better retention than passive film experiences. Siki outlines their systematic database-driven approach to fundraising. | |
| Title Card: Getting from MVP to The Holodeck | 4 | 3 | 1 | 1 | Siki explains how deep learning and non-verbal capture will replace heavy physical hardware to render facial expressions in VR. Andrew contributes technical context around computer vision advancements required to achieve that fidelity. | |
| The Future of VR Content, Genres, and Storytelling | 4 | 4 | 2 | 1 | When Andrew compares current VR content to early Spaghetti Westerns, Siki reframes the timeline further back to the silent film era. Siki emphasizes that combining agency from video games with cinematic storytelling forms an entirely unprecedented medium. |