The game from my childhood.
Rewrite from BASIC to few other languages: JS, Ruby, Python, Go.
To run JS version:
npx github:drom/animal
http://pdp-11.trailing-edge.com/rsts11/rsts-11-013/ANIMAL.BAS
The Animal Game predates the personal computer by many years, going back at least to the early 70's.
Published in "101 BASIC Computer Games" (ed. by David H. Ahl - Maynard, Mass., Digital Equipment, 1973.)