Suggestions by @benpopplewell

Bikini Bottom

as Comedy in The 18 Age Category of British Film Classification

Project X

as Comedy in The 18 Age Category of British Film Classification

Brüno (film)

as Comedy in The 18 Age Category of British Film Classification

Evil Dead (2013)

as Horror in The 18 Age Category of British Film Classification

The Hills Have Eyes (2006)

as Horror in The 18 Age Category of British Film Classification

The Last House on the Left (2009 film)

as Horror in The 18 Age Category of British Film Classification

Overlord (2018)

as Horror in The 18 Age Category of British Film Classification

Overlord (2018)

as Action in The 18 Age Category of British Film Classification

Ghost of Tsushima (film)

as Action in The 18 Age Category of British Film Classification

Watchmen

as Action in The 18 Age Category of British Film Classification

Rambo: Last Blood

as Action in The 18 Age Category of British Film Classification

Rambo (2008)

as Action in The 18 Age Category of British Film Classification

Rambo III

as Action in The 18 Age Category of British Film Classification

Blade of the Immortal

as Action in The 18 Age Category of British Film Classification

Ninja Assassin

as Action in The 18 Age Category of British Film Classification

Sweeney Todd: The Demon Barber of Fleet Street

as Horror in The 18 Age Category of British Film Classification

Friday the 13th (2009 Film)

as Horror in The 18 Age Category of British Film Classification

The Texas Chainsaw Massacre: The Beginning

as Horror in The 18 Age Category of British Film Classification

Compiègne (horror film)

as Horror in The 18 Age Category of British Film Classification

Weapons (2025 Film)

as Horror in The 18 Age Category of British Film Classification