Remote couch co-op bridge for consoles
Problem
Couch co-op games are designed for two people on the same sofa, but families and friends increasingly live far apart. Remote-play tools like Parsec only work for PC: there is no way for a remote player's controller input to be sent over the internet and injected into a physical console (Switch 2, PS5) as if it were a second local controller. The thread's replies confirm no real solution exists — only workarounds like both owning the same console plus PS+.
Opportunity
A hardware+software kit (low-latency input relay dongle + streaming of the host's screen) that makes a remote friend appear as a local controller on any console. Sell as a niche gaming accessory with subscription for match-scheduling/lobby features.
Market analysis
A confirmed product gap with emotional resonance, but it is a hardware product fighting console input authentication, latency budgets and per-platform quirks — the classic kind of niche a solo software builder cannot credibly ship. The workaround stack (console remote play plus Parsec hosting) is clunky but free, which caps willingness to pay.
Market · Long-distance families and friends who own a Switch 2/PS5 and want couch co-op; recurring Reddit demand, but a small niche that buys once and expects it to just work.
Pricing · Would have to sell as a dongle accessory in the $50-80 range typical of niche gaming hardware (think controller adapters), plus optional subscription; free software workarounds anchor expectations near zero.
Pros
- + The gap is verified: nothing on the market injects a remote player as a local console controller.
- + Strong emotional use case (siblings, partners, parents and kids) that generates organic word-of-mouth.
- + Console-gamer accessory buyers are historically tolerant of one-time hardware prices.
Cons
- − Requires physical hardware: firmware, USB/HID or Bluetooth controller emulation, manufacturing and support — far beyond a solo software build.
- − Controller authentication and per-console quirks (Switch pairing, PS5 HID rules) make a universal dongle genuinely hard.
- − Total latency stacks: network plus emulation plus video streaming back to the remote player.
- − Free workarounds exist (dual consoles plus online play, PC ports via Steam Remote Play Together/Parsec).
Existing / similar tools
Source
r/Doesthisexist (Reddit)
The reason this does not exist is not that nobody thought of it — it is that modern consoles authenticate controllers cryptographically, so a generic “pretend to be a gamepad” dongle ranges from imperfect to impossible depending on the platform, and the consoles most people own are the strictest. A solo builder’s realistic wedge is not hardware at all but the software half: a polished host app that pairs existing capture and remote-input gear, handles the lobby/scheduling layer, and targets the subset of games where a keyboard-emulated input device works. That is a thinner moat but an order of magnitude more shippable. Anyone considering the hardware route should budget for per-console reverse engineering that can be invalidated by a firmware update — you would be one Nintendo patch away from a warehouse of bricks.