70 Across

[M3242q8]

A card game for 2 to 4 play ers

[mallyh]

whist ?

[emeritus]

Cassino answered previously

[Captain2]

How many letters? Far too many games to guess at.

[Svejk]

there must be thousands

[factor-fiction]

Thus was answered in Crosswords earlier if you want to do a search. Or if you give the letter count it may speed things up. Thanks

[cupid04]

cassino

[boxtops]

This one didn't say how many letters it is, either http://www.theanswerbank.co.uk/Quizzes-and-Puzzles/Question1330492.html

[Baldric]

Remember: Not everyone will have a copy of the crossword in front of them, so please write the clue EXACTLY as it appears, the number of letters required and which (if any) you already know e.g.
Excellent on-line resource for answering questions (10) A?SWE?B?NK