Movies Like 21 Days

Loved 21 Days? These 24 movies and shows share its DNA — surfaced by our semantic engine from theme, mood, cast and genre, then ranked by how closely they match. Every pick includes cast, ratings, trailers and streaming options.

24 titles

The Houses October Built 2014 ★ 5.0

Delirium 2018 ★ 4.7

The Devil Inside 2012 ★ 4.7

Insidious 2011 ★ 6.9

The Deep House 2021 ★ 6.0

Paranormal Activity 2 2010 ★ 5.8

A Haunted House 2013 ★ 6.0

No One Gets Out Alive 2021 ★ 5.8

Paranormal Activity: The Marked Ones 2014 ★ 5.4

Delirium 2018 ★ 5.7

15 Cameras 2023 ★ 5.7

28 Days Later 2002 ★ 7.2

A Haunting 2005 ★ 7.5

47 Hours to Live 2019 ★ 5.9

The Last House 2026 ★ 6.6

Don't Breathe 2016 ★ 7.0

The Purge 2013 ★ 6.3

Hidden 2015 ★ 7.0

Oxygen 2021 ★ 6.6

Death's Roulette 2023 ★ 6.4

28 Years Later 2025 ★ 6.6

28 Weeks Later 2007 ★ 6.6

Cargo 2017 ★ 6.4

Don't Be Afraid of the Dark 1973 ★ 6.0