Grabbers unfolds on Erin Island, a small coastal area populated by fishermen, laborers, those prone to overindulgence, and law enforcement officers. An object descends from the sky, and this entity—whatever its nature may be—appears comfortable in the ocean but also possesses a desire for something more: human blood. Consequently, it naturally gravitates toward the nearest population of humans, initiating a series of disturbances. I won't reveal further plot details beyond noting that this comedy-horror film incorporates a familiar romantic storyline and an abundance of beer; perhaps even a greater quantity than one might initially think. When I mention "horror," don’t imagine anything genuinely frightening. The movie aligns with films like Shaun of the Dead and The World's End, delivering humor, some substandard effects, and memorable characters. It isn't destined to be life-altering, but within its category, it proves acceptable. The filmmakers made a smart choice in avoiding excessive use of the monsters. They opted for simplicity, which prevents the special effects from becoming overly prominent. They aren’t convincing, certainly, but that’s not essential in this type of comedy; they simply need to be adequately executed, and those here are. Ultimately, if you appreciate Simon Pegg and Nick Frost's films, you will likely enjoy this one. The narrative is straightforward, the effects even more so, yet that's precisely what contributes to its appeal. I found it agreeable and might revisit it at some point.

Source on TMDB