The "Ycombinator of Games" was Kickstarter at one point, but there have been few major successes from that. Unreal Grants, Steam, Patreon, and itch.io are today

The "Ycombinator of Games" was Kickstarter at one point, but there have been few major successes from that. Unreal Grants, Steam, Patreon, and itch.io are today's best analogues. Personally, I don't think a Ycombinator model for games would be appropriate unless you think MMOs/GaaS are the only things worth playing.