The sea is a port of the Shadertoy “3d simplex noise” by Nikita Miropolskiy (MIT), and the rain ripples and the wake come from other Shadertoy shaders. Every credit is in the README.
Fishing
Something is biting
Progress
0%
Tension
0%
Hold to reel in
Fishing
Caught!
New speciesPersonal best
It got away. Let go before the line gets too tight.