English for Today by Ganiu Abisoye Bamgbose (Dr GAB)

S

Many students are playing ~game~ with their lives (nonstandard).
Many times
Many students are playing games with their lives (standard). To deal with someone or something in a way that lacks due seriousness or respect is to play games with the person or thing.

Since you don’t want to be serious, ~the battle line is~ drawn between you and your future (nonstandard).
Since you don’t want to be serious, the battle lines are drawn between you and your future (standard).
GAB