There's 51 of 'em – so off you go...
Can you name the 51 clubs who've played the most Champions League matches since 1992/93? We suspect not, but you'll give it a ruddy good go.
We reckon a good target score is 45 here – but as ever, let us know how you fare @FourFourTwo and then challenge your pals to see how they stack up against you.
(Please note: Using an ad blocker? You won't see the quiz unless you turn it off *shakes fist*.)