Turbo Sliders Unlimited now natively supports Linux. This fixes some online connectivity issues there were when using Proton (either with Linux or Steam Deck), and also increases the performance. All online features of the game are cross-platform.
Join the community on Discord to find others to play with: https://discord.gg/QCHEsuwQwT
The game can be launched either with OpenGL or Vulkan. Which one is better for you might depend on your system and hardware.