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A Mass of Dead Achievements · SteamPeaks

Apps A Mass of DeadAchievements

A Mass of Dead

GameApp ID 269,630by Dev ArcReleased 15 Jul 2015

Playing now

0

All-time peak

77

11:14 UTC · 17 Sep 2026steampeaks.com

Data

Price history Charts Patches News Reviews Audience Estimates Availability

Technical

Metadata Packages DLC Depots3 Requirements Install size Configuration Cloud saves

Content

Achievements Community Media Related apps

History

Update history Store history

Everything

Achievements Overview Price history Charts Patches News Reviews Audience Estimates Availability Metadata Packages DLC Depots3 Requirements Install size Configuration Cloud saves Community Media Related apps Update history Store history Full details

Every achievement on record

Achievements

22 achievements

Challenger
Cleared All Normal Difficulties of Challenge Stages
—
Soldier
Cleared All Hard Difficulties of Challenge Stages
—
Master
Cleared All Hell Difficulties of Challenge Stages
—
Survivor
First saw the ending
—

Windows · macOS · Linux

Engine —

Indie Action Zombies Shooter Top-Down Top-Down Shooter +2

View on SteamSteamCompare Share

App ID269,630

Release date15 Jul 2015

Engine—

Install size1.34 GB

TypeGame

Last update5 Sep 2026

Steam DeckUnknown

DLC0

DeveloperDev Arc

Changenumber37,686,496

Price$4.99

Packages0

PublisherDev Arc

SystemsWindows · macOS · Linux

Followers369

Depots3

Compare this game

A Mass of Dead

Dev Arc
Released 15 Jul 2015·App 269630

Steam user reviews

Mixed

50.0%· 56 reviews

Recent —

SteamPeaks Rating

36.8 Negative

Recent 30 days —

Playing now

0

+0 vs. yesterday

0.0%of peak

All-time peak

77

Jul 2023

Updated 17 Sep 2026, 11:14 UTCData by SteamPeaks.com

Awesome Weapon

Get the first unique weapon

—

Awesome Equipment

Get The First Unique Equipment

—

Equipment Master

Full Upgraded All Equipments

—

Flamethrower Master

Full Upgraded All Flamethrowers

—

SMG Master

Full Upgraded All SMGs

—

Shotgun Master

Full Upgraded All Shotguns

—

Equipment Collector

Got All Equipments

—

Flamethrower Collector

Got All Flamethrowers

—

SMG Collector

Got All SMGs

—

Shotgun Collector

Got All Shotguns

—

Weapon Master

Full Upgraded All Weapons

—

Item Master

Full Upgrade All Items

—

Weapon Collector

Got All Weapons

—

Item Collector

Got All Item

—

Challengers

Cleared All Normal Difficulties of Challenge Stages in co-op mode

—

Soldiers

Cleared All Hard Difficulties of Challenge Stages in co-op mode

—

Masters

Cleared All Hell Difficulties of Challenge Stages in co-op mode

—

Assemble!

Cleared one stage in co-op mode

—

Names, descriptions and icons are the game’s own, as Steam publishes them.