Some making-out. Not outright female nudity, but revealing clothing.

Some strong violence. Sight of bloody dead and near-dead bodies. Graphic bloodshed. Sight of car running over body several times.

Frequent use of "fuck". Some use of milder words too.

Some drinking at a party early in the film.

Pervasive threat and intense sequences. Grisly images occasionally recur in the protagonist's mind; these are shown onscreen, often with the intent of making the viewer jump.