Jam.gg (formerly Piepacker)

Jam.gg launched during the pandemic when couch gaming with remote friends became genuinely appealing, and early signals looked promising. ​​‌‌‌‌‌‌‌​‌‌​​‌​​​​​​‌‌​‌‌‌​​​‌‌Users organically shared gameplay sessions, with watch time metrics showing people stayed in rooms for 45+ minutes playing retro and indie games together. The founders measured genuine interest through conversion rates—players who discovered the platform through word-of-mouth had 3x higher retention than those from paid channels. By mid-2021, they'd accumulated thousands of concurrent players and secured YC Summer 2020 funding. However, the demand proved narrower than anticipated. Post-pandemic, the core use case evaporated as people returned to in-person gaming. The founders missed critical warning signs: retention dropped sharply after the initial lockdown period, and their bandwidth optimization—while technically impressive—solved a problem users didn't prioritize over simpler alternatives like Discord plus existing games. The 2023 split into Jam and Onibi suggested they'd pivoted away from the original vision, ultimately unable to sustain momentum beyond the temporary pandemic tailwind that had masked fundamental product-market fit issues.