Hasselbeck passed for 329 yards, completing 39-of-51 throws, including a 15-yard touchdown to T.J. Houshmandzadeh, helping Seattle come from 17 points behind.
Mare's kicks were from 37, 37, 24 and 20 yards.
Matthew Stafford completed 22-of-42 passes for 203 yards and two touchdowns, along with the five interceptions, for the Lions (1-7). Stafford's scoring throws were for 7 yards to Brandon Pettigrew and 29 yards to Bryant Johnson -- the first two TDs of the game.
Jason Hanson kicked field goals of 41 and 50 yards for Detroit.