Wiktionary
number games
n. 1 (context idiomatic English) A '''numbers game''': the use of inappropriate statistics (numbers) to reflect a desired result (usually misleading). 2 (number game lang=en nodot=1): lottery, '''numbers game'''.
Usage examples of "number games".
His earliest memories, after the view of Claremont Street through the window hole, were of Uncle Sly playing number games with him, forcing him to work with his mind when he could do nothing with his body.