While the film struggles with technical polish, the action choreography is widely cited as its strongest feature.

: Many reviewers from IMDb and Letterboxd criticized the poor ADR (automated dialogue replacement) and "wildly inconsistent" tone.

The film also takes massive liberties with the lore, blending Arthurian and Viking elements:

“Siege works because it doesn't take itself too seriously and offers enough action and heart to appeal to the less cynical of viewers.” IMDb

: Keanu Gonzalez's portrayal of Tuck is frequently highlighted for having the most impressive martial arts sequences. Technical Shortcomings

: The Australian landscape stands in for England, and while the cinematography is often praised, the "castles" sometimes reveal contemporary metal grates and brickwork.