On October 21, 2011, Universal Studios Singapore began their Halloween Horror Nights event. This freshman Halloween Horror Nights event included a single haunted house and ran seven nights. The Singapore theme park’s Halloween Horror Nights 2 in 2012, also ran for seven nights and included three haunted houses.

By 2015, Singapore’s Halloween Horror Nights event had grown to four haunted houses, three of which were designed using local Singaporean horror lore and myths. Singapore’s Halloween Horror Nights 2016 event featured five haunted houses and ran for 16 nights.

The 2023 edition of Singapore’s Halloween Horror Nights includes a themed haunted house based on the Netflix streaming zombie high series, All of Us Are Dead.