3 O'clock Horror

A timed horror puzzle adventure with sanity at stake

3 O'clock grymlins Team · Published by Gabe Simao · Released Jul 19, 2021

Reviews: Mostly Positive; 71% of 58
Recent reviews: Not enough recent
Players: 0; daily peak, Oct 28, 2026
Steam Deck: Untested
Last update on Steam: 5 years ago; Oct 13, 2021
Minimum PC: ® HD 620; 2 GB RAM · 0.5 GB disk; Full requirements

What is 3 O'clock Horror?

This free, single-player 2D horror adventure follows a man visiting his great-uncle's mansion in search of his father or a fortune. You explore the house, solve puzzles and finish writing his account of the night before 3 a.m. The puzzles you complete determine the ending, while spells provide help at the risk of losing sanity.

For you if...

+you like dark mysteries and minimalist pixel art

Not for you if...

−you avoid jump scares and monsters that hunt you

What players say

71% of 58 reviews are positive

Players praise the atmosphere, music and sound effects. Common complaints concern confusing progression and lengthy notes in small print, especially under the time limit.

Screenshots and trailer

3 O'clock Horror system requirements

Minimum: ® HD 620, 2 GB RAM, 0.5 GB of disk space.

As published by the developer.

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Minimum

OS: Windows 10
Processor: 2 Ghz
Graphics: Intel® HD Graphics 620 or greater
Memory: 2 GB RAM
Storage: 500 MB available space

Does 3 O'clock Horror have co-op or multiplayer?

No: single-player only, no multiplayer modes declared.

Single-player

Does 3 O'clock Horror run on Steam Deck?

Untested Not yet tested by Valve on Steam Deck.

PC version details

DRM: None declared on Steam
Controller: Keyboard and mouse
Platforms: Windows
Steam features: Family Sharing
Languages: Text only: English.

Does 3 O'clock Horror use AI-generated content?

No AI-generated content is disclosed on the game's Steam page.

Self-reported by the developer under Steam rules: it covers AI content that ships in the game, not tools used to make it. Steam page checked on Oct 28, 2026. How to filter AI games on Steam