Gaming

Jam.gg (formerly Piepacker)

Website

At the crossroads of online gaming and video chatting, jam.gg is a web platform to play awesome multiplayer games with your friends. Jam.gg focuses on hyper accessibility with a patented technology cutting the internet bandwidth requirement by 15 on average. Jam.gg features top retro, pc indie and board games. The project branched out in two com

Founded 2020Origin source ↗Checked 2026-09-15

Overview

At the crossroads of online gaming and video chatting, jam.gg is a web platform to play awesome multiplayer games with your friends. Jam.gg focuses on hyper accessibility with a patented technology cutting the internet bandwidth requirement by 15 on average. Jam.gg features top retro, pc indie and board games.

The project branched out in two companies in 2023 with Jam on one side and Onibi (https://onibi.gg/) becoming its own company. YC being on both cap tables.

Company description As recorded 2026-11-08

Founders & team

Previously Piepacker

Company history As recorded 2026-11-08

Benjamin Devienne

Founder

Benjamin worked in gaming at EA, Ubisoft and Gameloft on over ~20 games. He created and scaled data science at Gameloft. He joined Facebook as Head of Analytics then moved to Twitch as Head of Research. Now an entrepreneur, he co-founded Jamgg (YCS20) and Onibi (2023). He has spoken at global events like TEDx and lectured at prestigious universities, including UdeM and MIT.

Founder profile As recorded 2026-09-15

Jules Testard

Founder

Former academic researcher at UCSD. Worked as a software engineer at AWS, Docker and Madhive. Loves distributed systems, hacking things together quickly, surfing and gaming.

Founder profile As recorded 2026-09-15

Founded 2020 · Source

News & product activity

Sources & observations

Y Combinator

Profile depthverified profile
Website observationwebsite unreachable
Last website check2026-11-11
Location · source statedSan Francisco, CA, USA; Remote
Pricing evidenceNo pricing page confirmed
Maturity: Not assessed · 3 of 6 areas documented

Source-based assessment · automated evidence rules

The source reports an inactive or acquired company; current product identity needs review.

Maturity is an evidence-based assessment, not a success rating. It may understate the current stage where evidence is limited. Coverage records documented areas, not a complete or independently audited company history.

Stage definitions
independent websitesource corroborationdescriptive evidenceclassified market and modelsourced peoplesourced founding year