protonscr

LEGO City Undercover uses single controller input for both players

protonclosed
ValveSoftware/Proton#9387 · opened 2026-01-10 by TitanNano · updated 2026-01-10 · 1 comments · github
TTitanNano 2026-01-10 github

Compatibility Report

  • Name of the game with compatibility issues: LEGO City Undercover
  • Steam AppID of the game: 578330

System Information

I confirm:

  • [X] that I haven't found an existing compatibility report for this game.
  • [x] that I have checked whether there are updates for my system available.

steam-578330_lego_city.log

Symptoms

When launched through Steam Big Picture Mode, the game recognized the single connected Steam controller as input for both players.

  • This issue did not exist before Proton 10. (i.e., Proton 9 works fine)
  • This issue does not occur when launching the game through the regular desktop mode of Steam.

Reproduction

  1. start big picture mode
  2. Start LEGO City Undercover
  3. Load a save game or start a new one.
  4. In the game world, press any of the controller buttons. (Moving the analog stick does not trigger the issue.)
  5. The second player gets enabled.
  6. Both players are controlled by the same controller.
Kkisak-valve maintainer 2026-01-10 github

Hello @TitanNano, we're using one issue report per unofficially supported game title, so I've gone ahead and transferred this issue report to https://github.com/ValveSoftware/Proton/issues/1961#issuecomment-3733557999.

Upstream links