I believe peak Hello World is actually written in Chicken [0].
> chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken
> chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken
> chicken chicken chicken chicken
> chicken chicken chicken chicken chicken chicken chicken chicken chicken
> chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken
> chicken chicken chicken chicken chicken chicken chicken
> chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken
> chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken
> chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken
> chicken chicken chicken chicken
> chicken chicken chicken
> chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken
> chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken
> chicken chicken chicken
> chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken
> chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken
> chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken
> chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken
> chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken
> chicken chicken chicken chicken chicken chicken
> chicken chicken chicken
> chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken
> chicken chicken chicken chicken
> chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken
> chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken
> chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken
> chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken
> chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken
> chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken
> chicken chicken chicken chicken chicken chicken
> chicken chicken chicken chicken
> chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken
> chicken chicken
> chicken chicken
> chicken chicken chicken chicken chicken chicken chicken chicken chicken
> chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken
> chicken chicken chicken chicken chicken chicken
> chicken chicken
> chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken
> chicken chicken chicken chicken chicken chicken chicken
> chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken
> chicken chicken chicken chicken chicken chicken
> chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken
> chicken chicken chicken
> chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken
> chicken chicken chicken chicken chicken chicken chicken
> chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken
> chicken chicken chicken chicken chicken chicken
> chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken
> chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken
> chicken chicken chicken
> chicken chicken chicken chicken chicken chicken chicken chicken
> chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken
> chicken chicken chicken chicken chicken chicken
[0] https://esolangs.org/wiki/Hello_world_program_in_esoteric_la...
> chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken
> chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken
> chicken chicken chicken chicken
> chicken chicken chicken chicken chicken chicken chicken chicken chicken
> chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken
> chicken chicken chicken chicken chicken chicken chicken
> chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken
> chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken
> chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken
> chicken chicken chicken chicken
> chicken chicken chicken
> chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken
> chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken
> chicken chicken chicken
> chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken
> chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken
> chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken
> chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken
> chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken
> chicken chicken chicken chicken chicken chicken
> chicken chicken chicken
> chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken
> chicken chicken chicken chicken
> chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken
> chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken
> chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken
> chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken
> chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken
> chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken
> chicken chicken chicken chicken chicken chicken
> chicken chicken chicken chicken
> chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken
> chicken chicken
> chicken chicken
> chicken chicken chicken chicken chicken chicken chicken chicken chicken
> chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken
> chicken chicken chicken chicken chicken chicken
> chicken chicken
> chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken
> chicken chicken chicken chicken chicken chicken chicken
> chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken
> chicken chicken chicken chicken chicken chicken
> chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken
> chicken chicken chicken
> chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken
> chicken chicken chicken chicken chicken chicken chicken
> chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken
> chicken chicken chicken chicken chicken chicken
> chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken
> chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken
> chicken chicken chicken
> chicken chicken chicken chicken chicken chicken chicken chicken
> chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken chicken
> chicken chicken chicken chicken chicken chicken
[0] https://esolangs.org/wiki/Hello_world_program_in_esoteric_la...