Crossword Genius

Does it require many, to play it? (5)

Ross

I believe the answer is:

lotto

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'does it require' is the definition.
I can't judge whether this definition defines the answer.

'many to play it?' is the wordplay.
'many' becomes 'l'.
'to play it?' becomes 'otto' (I am not sure about this - if you are sure you should believe this answer much more).
'l'+'otto'='LOTTO'

Can you help me to learn more?

(Other definitions for lotto that I've seen before include "form of gambling" , "Housey-housey, bingo" , "Venetian painter - gambling game" , "Game of chance based on numbered balls being drawn at random" , "Game like bingo" .)

I've seen this clue in the Evening Standard.
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