The puzzle version.

[RicardoRix]

Wondered about the puzzle that the game was inspired from?

https://www.puzzle-lits.com/?size=4

[T72on1]

What exactly do you wonder about?

[RicardoRix]

What?
I had not come across the puzzle before.
Have you ever wondered about the puzzle that the game was inspired from?

What do you wonder?

[T72on1]

But was the game inspired on the puzzle? Or the other way around? Or both on something else?

[RicardoRix]

The game was inspired from the puzzle.

The game designer mathgrant used to have an account here
https://boardgamearena.com/player?id=1166851

Not sure what has happened to him.

He also designed mammalath.

[T72on1]

Ok thanks for the info.

[andycupid]

I think all games of this sort origin from the concept of polyomino. I'm no expert on game origins though. By the way, I do wish proto-games such as this are more open to rule tweaking. For instance, having a larger board