Here’s a look at a couple of dark, R‑rated satires available in the high-definition format.

Violent Night (Universal Studios Home Entertainment, rated R, 2.39:1 aspect ratio, 112 minutes, $24.98) — Answering the age-old question “was Santa Claus a disgruntled Viking raider?” comes director Tommy Wirkola’s action-packed dark comedy from late last year now available in the high definition disc format.

This unusual exploration of Christmas’ famed icon takes viewers on a brutally violent journey after meeting the …