CPC Game Reviews just gave an unexpected 7/10 to a 1984 quiz game that can be played by up to 6 players.
I'm tempted to try this one...
(https://www.cpcgamereviews.com/images/screenshots/c/challenge_my_bluff.png)
This is the link to the review (https://www.cpc-power.com/index.php?page=detail&num=18953), but I warn you: don't read the last sentence as nich spoils the answer to the question of the screenshot!
That's actually a link to CPC-POWER, so here's the correct link to the review (https://www.cpcgamereviews.com/review/2458/). ;)
Confession: I bought this game on eBay around 20 years ago and completely forgot about it until I found it again 2 years ago while looking through my collection! :-[