Почему не могу запустить steam, и как это исправить?

Не удалось разобрать аргументы: Параметр «--disable-factory» не поддерживается в этой версии gnome-terminal.
Package libgl1-mesa-dri:i386 needs to be installed
Package libgl1-mesa-glx:i386 needs to be installed
Running Steam on debian 8 64-bit
STEAM_RUNTIME is enabled automatically
Pins up-to-date!
/home/vit/.local/share/Steam/steam.sh: line 823: /home/vit/.local/share/Steam/ubuntu12_32/steam-runtime/run.sh: Нет такого файла или каталога
Error: You are missing the following 32-bit libraries, and Steam may not run:
libstdc++.so.6
/home/vit/.local/share/Steam/ubuntu12_32/steam: error while loading shared libraries: libstdc++.so.6: cannot open shared object file: No such file or directory