goop(6x) on Linux
The text 37a7a3ac5759, as Debian 4.0 (Etch) shipped it.
squishy transparent oil and bubble screenhack
Flags it lists
-
-additive -
-count -
-delay -
-install -
-mono -
-non-transparent -
-planes -
-root -
-subtractive -
-transparent -
-visual -
-window -
-xor