Classic board game (4)
'classic board game' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for life that I've seen before include "The longest sentence" , "Actuarial estimate of our remaining years" , "Baffin oiler (anag) - 7 film" , "and 12 Down: Biology, medicine, etc" , "Maximum stretch?" .)
(Other definitions for clue that I've seen before include "Evidence that helps to solve a problem" , "Hint to help the puzzler" , "Slight indication (as here)" , "Crossword hint?" , "What's this" .)
(Other definitions for ludo that I've seen before include "Simple board game, involving dice" , "Loud sort of board game with dice and counters" , "Children's board game" , "Traditional board game" , "Game (meaning 'I play' in Latin)" .)