system information

Computer Information:
    Manufacturer:  Unknown
    Model:  Unknown
    Form Factor: Desktop
    No Touch Input Detected

Processor Information:
    CPU Vendor:  AuthenticAMD
    CPU Brand:  AMD Ryzen 7 1700 Eight-Core Processor          
    CPU Family:  0x17
    CPU Model:  0x1
    CPU Stepping:  0x1
    CPU Type:  0x0
    Speed:  3000 Mhz
    16 logical processors
    8 physical processors
    HyperThreading:  Supported
    FCMOV:  Supported
    SSE2:  Supported
    SSE3:  Supported
    SSSE3:  Supported
    SSE4a:  Supported
    SSE41:  Supported
    SSE42:  Supported
    AES:  Supported
    AVX:  Supported
    AVX2:  Unsupported
    AVX512F:  Unsupported
    AVX512PF:  Unsupported
    AVX512ER:  Unsupported
    AVX512CD:  Unsupported
    AVX512VNNI:  Unsupported
    SHA:  Unsupported
    CMPXCHG16B:  Supported
    LAHF/SAHF:  Supported
    PrefetchW:  Unsupported

Operating System Version:
    "Manjaro Linux" (64 bit)
    Kernel Name:  Linux
    Kernel Version:  5.2.11-1-MANJARO
    X Server Vendor:  The X.Org Foundation
    X Server Release:  12005000
    X Window Manager:  Mutter(Budgie)
    Steam Runtime Version:  steam-runtime_0.20191007.0

Video Card:
    Driver:  NVIDIA Corporation GeForce GTX 970/PCIe/SSE2
    Driver Version:  4.6.0 NVIDIA 430.40
    OpenGL Version: 4.6
    Desktop Color Depth: 24 bits per pixel
    Monitor Refresh Rate: 60 Hz
    VendorID:  0x10de
    DeviceID:  0x13c2
    Revision Not Detected
    Number of Monitors:  2
    Number of Logical Video Cards:  1
    Primary Display Resolution:  1920 x 1080
    Desktop Resolution: 3840 x 1080
    Primary Display Size: 20.08" x 11.30" (23.03" diag)
                                            51.0cm x 28.7cm (58.5cm diag)
    Primary Bus: PCI Express 16x
    Primary VRAM: 4096 MB
    Supported MSAA Modes:  2x 4x 8x 16x 

Sound card:
    Audio device: Nvidia GPU 71 HDMI/DP

Memory:
    RAM:  16031 Mb

Miscellaneous:
    UI Language:  English
    LANG:  en_US.UTF-8
    Total Hard Disk Space Available:  221574 Mb
    Largest Free Hard Disk Block:  110383 Mb
    VR Headset: None detected

Steam Linux Runtime Information:
{
  "can-write-uinput" : true,
  "steam-installation" : {
    "path" : "/home/marcel/.local/share/Steam",
    "data_path" : "/home/marcel/.local/share/Steam",
    "issues" : [
    ]
  },
  "runtime" : {
    "path" : "/home/marcel/.local/share/Steam/ubuntu12_32/steam-runtime",
    "version" : "0.20191007.0",
    "issues" : [
    ]
  },
  "os-release" : {
    "id" : "manjaro",
    "id_like" : [
      "arch"
    ],
    "name" : "Manjaro Linux",
    "pretty_name" : "Manjaro Linux"
  },
  "architectures" : {
    "i386-linux-gnu" : {
      "can-run" : true,
      "library-issues-summary" : [
      ],
      "graphics-details" : {
        "x11/vulkan" : {
          "messages" : "ERROR: [Loader Message] Code 0 : /usr/local/lib/libvulkan_intel.so: wrong ELF class: ELFCLASS64\nERROR: [Loader Message] Code 0 : /usr/local/lib/libvulkan_radeon.so: wrong ELF class: ELFCLASS64\nERROR: [Loader Message] Code 0 : /home/marcel/.local/share/Steam/ubuntu12_64/libVkLayer_steam_fossilize.so: wrong ELF class: ELFCLASS64\n",
          "renderer" : "GeForce GTX 970",
          "version" : "1.1.99 (device 10de:13c2) (driver 430.160.0)"
        },
        "glx/gl" : {
          "renderer" : "GeForce GTX 970/PCIe/SSE2",
          "version" : "4.6.0 NVIDIA 430.40"
        },
        "egl_x11/gl" : {
          "renderer" : "GeForce GTX 970/PCIe/SSE2",
          "version" : "4.6.0 NVIDIA 430.40"
        },
        "egl_x11/glesv2" : {
          "renderer" : "GeForce GTX 970/PCIe/SSE2",
          "version" : "OpenGL ES 3.2 NVIDIA 430.40"
        }
      }
    },
    "x86_64-linux-gnu" : {
      "can-run" : true,
      "library-issues-summary" : [
      ],
      "graphics-details" : {
        "x11/vulkan" : {
          "messages" : "ERROR: [Loader Message] Code 0 : /home/marcel/.local/share/Steam/ubuntu12_32/libVkLayer_steam_fossilize.so: wrong ELF class: ELFCLASS32\n",
          "renderer" : "GeForce GTX 970",
          "version" : "1.1.99 (device 10de:13c2) (driver 430.160.0)"
        },
        "glx/gl" : {
          "renderer" : "GeForce GTX 970/PCIe/SSE2",
          "version" : "4.6.0 NVIDIA 430.40"
        },
        "egl_x11/gl" : {
          "renderer" : "GeForce GTX 970/PCIe/SSE2",
          "version" : "4.6.0 NVIDIA 430.40"
        },
        "egl_x11/glesv2" : {
          "renderer" : "GeForce GTX 970/PCIe/SSE2",
          "version" : "OpenGL ES 3.2 NVIDIA 430.40"
        }
      }
    }
  },
  "locale-issues" : [
    "c-utf8-missing",
    "i18n-supported-missing"
  ],
  "locales" : {
    "<default>" : {
      "resulting-name" : "LC_CTYPE=en_US.UTF-8;LC_NUMERIC=de_DE.UTF-8;LC_TIME=de_DE.UTF-8;LC_COLLATE=en_US.UTF-8;LC_MONETARY=de_DE.UTF-8;LC_MESSAGES=en_US.UTF-8;LC_PAPER=de_DE.UTF-8;LC_NAME=de_DE.UTF-8;LC_ADDRESS=de_DE.UTF-8;LC_TELEPHONE=de_DE.UTF-8;LC_MEASUREMENT=de_DE.UTF-8;LC_IDENTIFICATION=de_DE.UTF-8",
      "charset" : "UTF-8",
      "is_utf8" : true
    },
    "C" : {
      "resulting-name" : "C",
      "charset" : "ANSI_X3.4-1968",
      "is_utf8" : false
    },
    "C.UTF-8" : {
      "error-domain" : "srt-locale-error-quark",
      "error-code" : 0,
      "error" : "No such file or directory"
    },
    "en_US.UTF-8" : {
      "resulting-name" : "en_US.UTF-8",
      "charset" : "UTF-8",
      "is_utf8" : true
    }
  },
  "egl" : {
    "icds" : [
      {
        "json_path" : "/usr/share/glvnd/egl_vendor.d/10_nvidia.json",
        "library_path" : "libEGL_nvidia.so.0"
      },
      {
        "json_path" : "/usr/share/glvnd/egl_vendor.d/50_mesa.json",
        "library_path" : "libEGL_mesa.so.0"
      }
    ]
  },
  "vulkan" : {
    "icds" : [
      {
        "json_path" : "/usr/local/share/vulkan/icd.d/intel_icd.x86_64.json",
        "library_path" : "/usr/local/lib/libvulkan_intel.so",
        "api_version" : "1.1.102"
      },
      {
        "json_path" : "/usr/local/share/vulkan/icd.d/radeon_icd.x86_64.json",
        "library_path" : "/usr/local/lib/libvulkan_radeon.so",
        "api_version" : "1.1.90"
      },
      {
        "json_path" : "/usr/share/vulkan/icd.d/nvidia_icd.json",
        "library_path" : "libGLX_nvidia.so.0",
        "api_version" : "1.1.99"
      }
    ]
  }
}

The Steam Linux Runtime container tool is not installed.