timetunnel(6x) on Linux
The text f4f9c7e3dae6, as Debian 10 (Buster) shipped it.
Plasma tunnels fade in and out
Flags it lists
-
-dilate -
-end -
-fps -
-head -
-marquee -
-no-fog -
-no-fps -
-no-logo -
-no-texture -
-reverse -
-root -
-start -
-tardis -
-tun1 -
-tun2 -
-tun3 -
-visual -
-window -
-wireframe