Murders & Mistresses - Supporter Upgrade

Overview

Murders & Mistresses - Supporter Upgrade is a Steam DLC connected to Murders & Mistresses. It was prepared by UndergradSteve, published by UndergradSteve, and released on Sep 25, 2026. This page focuses on the store listing, screenshots, price, requirements, and its relationship to the main game rather than presenting it as a normal live-player game.

Store reviews and relationship

Murders & Mistresses - Supporter Upgrade is a DLC, so player-count observations and tracked peak are not meaningful in the same way they are for a base game. The useful signals here are reviews, store recommendations, price, platform support, and the link back to Murders & Mistresses.

Language and system requirements

Murders & Mistresses - Supporter Upgrade is available in 1 languages including:

2 regional rating boards including dejus and steam germany

Recommendations and store value

Murders & Mistresses - Supporter Upgrade has recommendation data pending. Twitch streaming and unit-sales estimates usually belong on the parent game page, while this page is better for checking the DLC, price, media, and store details.

Murders & Mistresses - Supporter Upgrade overview details

Murders & Mistresses - Supporter Upgrade is tracked as Steam Store content with pricing, reviews, packages, media, requirements, and its relationship to the parent app.

Steam Store description

Hey guys, Undergrad Steve here! If you loved M&M and want more of it while also supporting us, this Supporter Upgrade is for you. It contains a ton of bonus content, all easily accessible from the in-game Extras menu. Here's what's in it: 3 Bonus Sex Scenes with 9 New Animations Crash Victoria's almost-wedding, seduce Nicole, and watch Frank and Olivia's steamy last hour leading up to their deaths. Unlock All Sex Scenes Button Unlock the entire "Memories" collection — every sex scene in the game — with one click. Optionally you can also only unlock non-open-marriage sex scenes. 13 Hours of Developer Commentary & Behind The Scenes Videos Watch me (Undergrad Steve) talk through my process and design decisions, then play through the entire game start to finish, giving my thoughts on every scene I come across. The first commentary episode and the first behind-the-scenes video are both included in the base game's Extras menu, so you can check them out if you're unsure. 22 Wallpapers 22 stylish and sexy 4K wallpapers, featuring your favorite love interests. 7 Guides Find out what really happened in each case, how the hostage negotiation works, how to romance each love interest, and how to earn every achievement in the game. 6 Deleted & Unfinished Scripts 6 of my screenplays, some cut from the game, others unfinished bonus scenes with my notes on why they were cut or not finished. Thank you for supporting a small team making ambitious games. — Steve

SteamPulse editorial summary

Murders & Mistresses - Supporter Upgrade is listed as a DLC with $7.99. It supports Windows and macOS, belongs to Single-player, Downloadable Content, Steam Achievements, Custom Volume Controls, Adjustable Difficulty, Playable without Timed Input, Save Anytime, and Steam Cloud, and is associated with Adventure, Casual, and Indie. Because it is a DLC, SteamPulse focuses on its Store listing, relationship to the parent app, media, packages, and metadata rather than treating it like a standalone concurrency page.

Content descriptors

The upgrade contains fully consensual, explicit sex scenes with all participants over the age of 18, including public sex and cheating (never on you). One scene is framed as the protagonist's own fantasy and has him held at gunpoint throughout. There is no NTR (no one ever cheats on you). The videos and guides discuss the full game, including suicide, graphic violence, murder, kidnapping, drug use, grief and cruelty.

Support and legal notes

Real questions answered from SteamPulse data, including live players, monthly momentum, review sentiment, regional audience signals, Twitch activity, and current Steam pricing.