– Play Game & Enter Sweeps ( August-17 ) Their sweepstakes is free however to play their instant win game you will need a PIN code found on slurpee products in 7-eleven stores . ( read rules ) . Some free slurpee codes to play the game ( Not guaranteed to work ) : XC8F GNJF ABRT XCJ9 K7AJ HG4Q XCJB TPGT 4JF7 XCYL AM3L NKFX X4DC YBY4 G4AD X43F E6CR 8W9L XPBK 6APT AKQD X37L HXKN 6KRP XCME K87N More Info…