Family Mysteries: Poisonous Promises Cover Art

Family Mysteries: Poisonous Promises

Adventure 1.15 GB 553 views

Game Overview

A poisoned body, a shattered yacht, and a wealthy family with too much to lose set the tone for a glossy murder investigation steeped in 1980s cop-show excess. Family Mysteries: Poisonous Promises trades haunted mansions for sunlit marinas, neon nightlife, palm-lined streets, and the polished surfaces of a Miami-inspired city where every witness seems to be hiding something. Players take the role of a detective working alongside partner Duke to untangle a case involving two yacht survivors, suspicious toxicology results, and a conspiracy that reaches beyond a single killing. The mood is breezy but tense, balancing colorful vacation imagery with a pulpy crime-drama plot full of sudden reveals.

Investigation follows the familiar hidden-object adventure format: search detailed scenes for useful items, inspect evidence, question suspects, and apply clues to environmental puzzles. Laboratory work adds a detective flavor, asking players to analyze samples and connect physical evidence to the case rather than merely collecting inventory objects. Thirty-four minigames break up the searches with logic challenges, mechanical puzzles, and optional match-three sequences, while certain situations offer alternate solutions that give the adventure a little flexibility. The main story moves through 38 distinct locations, and the bonus chapter returns to the central yacht mystery for extra context once the core investigation is complete.

Its strongest feature is the setting, which gives a dependable Artifex Mundi-style puzzle adventure a more playful identity than the genre’s usual supernatural gloom. Bright artwork, exaggerated rich-family drama, and nods to Miami Vice, Beverly Hills Cop, and CSI make the case feel like an interactive afternoon crime serial rather than a grim procedural. Puzzle veterans will recognize many genre conventions, but the steady clue-hunting and approachable challenges also make it a comfortable entry point for newcomers. Anyone who enjoys hidden-object mysteries with a sunny backdrop, light forensic touches, and a clean self-contained story should find plenty to like here.

Screenshots

Installation

  1. Select the Download button at the top of this page to open UploadHaven.
  2. On UploadHaven, wait for any countdown, then select Free Download. Optional: UploadHaven Pro for faster downloads.
  3. When complete, extract the archive to a Family Mysteries: Poisonous Promises folder using 7-Zip.
  4. Open the extracted folder and start the game normally.
  5. For errors, check Setup Guide & Troubleshooting below. Keep your security software enabled.

System Requirements

  • OS: Windows 7, Windows 8, Windows 10
  • Processor: 2.0 GHz
  • Memory: 1 GB RAM
  • Graphics: 256 MB VRAM
  • Storage: 2 GB available space
Last Updated
Status
Online
Looking for a newer update? Request an update
Skip the browser next time Browse, download, extract, and organize your games with the SteamUnlocked Launcher.
Get the Launcher

Setup Guide & Troubleshooting

How do I fix missing DLL errors for Family Mysteries: Poisonous Promises?

After extracting Family Mysteries: Poisonous Promises, navigate to the _Redist or _CommonRedist folder inside the game directory and install DirectX, Vcredist, and any other dependencies included.

What should I do if the downloaded file is corrupted?

The full archive is 1.15 GB — make sure your download completed fully before extracting. Use 7-Zip to extract the files. If you still see a "file corrupted" error, re-download and try again.

Do I need to run the game as administrator?

Usually, no. Start the game normally from the extracted folder. If you see a permissions or save error, check that the folder is writable and follow the game's documented fix. Only grant administrator access when a trusted game's specific setup requires it.

How do I update my GPU drivers for this game?

Family Mysteries: Poisonous Promises requires a 256 MB VRAM or equivalent. Update your NVIDIA or AMD drivers to the latest version for the best performance.

The game won't launch — what should I try?

Check that extraction completed and your PC meets the system requirements. Note any error message before choosing a fix. If it identifies a missing runtime, install the required DirectX components or Microsoft Visual C++ Redistributable from Microsoft.

My antivirus is blocking the game — is it safe?

A warning needs to be investigated; the download source alone cannot confirm that a file is safe. Keep your security software enabled and review the detection details. Do not run or restore a flagged file unless you have verified that it is a false positive. If you are unsure, leave it quarantined.

Need more help? Browse our FAQ & Troubleshooting Guide for solutions to common issues.
Looking for something else? Explore all games on SteamUnlocked →
Saved to My Library View Library