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10 Best Movies Like 21 Days

If you loved 21 Days, we've curated the perfect watchlist for you based on shared genres, themes, and directorial style.

#1
Harbinger Down

Harbinger Down

2015★ 4.6

Why watch this? A perfect follow-up to 21 Days for fans of Horror. It captures a similar spine-chilling atmosphere.

A group of grad students have booked passage on the fishing trawler Harbinger to study the effects of global warming on a pod of Orcas in the Bering Sea. When the ship's crew dredg...

#2
7 Nights Of Darkness

7 Nights Of Darkness

2011★ 4.0

Why watch this? A perfect follow-up to 21 Days for fans of Horror. It captures a similar spine-chilling atmosphere.

In 2010 six reality television show contestants spent seven nights in an abandoned and haunted asylum. The show never aired but an editor for the network was able to piece together...

#3
Hack-O-Lantern

Hack-O-Lantern

1988★ 4.9

Why watch this? A perfect follow-up to 21 Days for fans of Horror & Thriller. It captures a similar spine-chilling atmosphere.

When Tommy was a boy, he saw his grandpa, the leader of a vicious satanic cult, murder his father in a brutal ritual on Halloween night. Now he is 18, and grandpa is ready to indoc...

#4
Re-Elected

Re-Elected

2020★ 6.9

Why watch this? A perfect follow-up to 21 Days for fans of Horror. It captures a similar spine-chilling atmosphere.

Friends battle former U.S. presidents when they come back from the dead as zombies on the Fourth of July....

#5
The Cave of the Golden Rose 3

The Cave of the Golden Rose 3

1993★ 6.3

Why watch this? A perfect follow-up to 21 Days for fans of Adventure. It captures a similar heartwarming atmosphere.

The powerful evil wizard Tarabas gets knowledge about a prophecy that a king's child will defeat him. So he sends out his army of dead soldiers to kidnap all royal children. When t...

#6
Android Re-Enactment

Android Re-Enactment

2011★ 7.1

Why watch this? A perfect follow-up to 21 Days for fans of Horror. It captures a similar spine-chilling atmosphere.

Ermus Daglek, retired Empathtek engineer, commandeers a defunct factory where he creates androids based on persons from his past and recreates a dinner party where he lost the love...