If you like this, you might like Quantum Childminding too: https://www.puzzlescript.net/play.html?p=f7712f978d624c66f1f...

It's about looking after Schrodinger's daughter; similar to the above, she appears only if you prove she cannot be anywhere else.

I like this game a lot, especially how it's easy to understand & fun to play with.

Thanks for that, I really enjoyed it. Thats a very imaginative short game

Thanks for highlighting this — I’ve been waiting for something else by QNTM! I’ll note he has done this sort of thing before, in the form of HATETRIS [https://qntm.org/hatetris].

That's actually quite fun!