(cons*
  (channel
    (name 'guix)
     (url "https://git.savannah.gnu.org/git/guix.git"))
  ;   ;; Enable signature verification:
  ;   (introduction
  ;     (make-channel-introduction
  ;       "897c1a470da759236cc11798f4e0a5f7d4d59fbc"
  ;       (openpgp-fingerprint
  ;         "2A39 3FFF 68F4 EF7A 3D29  12AF 6F51 20A0 22FB B2D5"))))
  ; (channel
  ;   (name 'guix-gaming-games)
  ;   (url "https://gitlab.com/guix-gaming-channels/games.git")
  ;   ;; Enable signature verification:
  ;   (introduction
  ;     (make-channel-introduction
  ;       "c23d64f1b8cc086659f8781b27ab6c7314c5cca5"
  ;       (openpgp-fingerprint
  ;         "50F3 3E2E 5B0C 3D90 0424  ABE8 9BDC F497 A4BB CC7F")))
  ;   )
  ; (channel
  ;   (name 'duke-nukem-3d)
  ;   (url "https://gitlab.com/guix-gaming-channels/duke-nukem-3d.git"))
  ; (channel
  ;   (name 'quake-3)
  ;   (url "https://gitlab.com/guix-gaming-channels/quake-3.git"))
  ; (channel
  ;   (name 'katco-non-free)
  ;   (url "https://github.com/kat-co/guix-channels.git")
  ;   (branch "non-free"))
  ; (channel
  ;   (name 'katco-upstream-staging)
  ;   (url "https://github.com/kat-co/guix-channels.git")
  ;   (branch "upstream-staging"))
  ; (channel
  ;   (name 'wigust)
  ;   (url "https://notabug.org/wigust/guix-wigust"))
  %default-channels)