Steam + Nvidia

No probado

sudo dnf install akmod-nvidia
sudo dnf install xorg-x11-drv-nvidia-cuda
sudo dnf update -y

Probado en Fedora 26 + GeForce GTX 650

Requiere de RPM Fusion

su -

dnf config-manager --add-repo=https://negativo17.org/repos/fedora-nvidia.repo
dnf install -y \
    nvidia-driver
    nvidia-driver-libs.i686
    steam

reboot