One-armed robber

Overview

App ID2551020

Release dateDec 15, 2023

Last change number40066746

Last record update1 day ago

App info

App type

Game

Developer

Duhndal

Publisher

Duhndal

Steam profile

Counts toward game count and achievement totals · checked Nov 1, 2025

Website

duhndal.com

Platforms

Windows

Steam Deck

Playable

Features

9

Single-playerMulti-playerCo-opOnline co-opSteam CloudIn-app purchasesSteam AchievementsStatsFamily Sharing

Patches

Builds

1

Build	Branch	Updated
25831348	public	Oct 9, 2026

Depots

Depots

3

ID	Name	Systems	Size	Download	Manifest
228989	— shared from 228980	Windows	—	—	—
228990	— shared from 228980	Windows	—	—	—
2551021	—	All	1.15 GB	1.02 GB	5351340385864899005

Branches

1

Branch	Build	Updated	Access
public	25831348	Oct 9, 2026	Open

Configuration

Install foldersteamapps/common/One-armed robber

Launch options

1

Executable	Arguments	Systems	Description
OAR.exe		Windows · 64-bit

Cloud saves

Space per player20.0 MB

Filesup to 50

Save locations0

Achievements

Achievements436 hidden

Most unlocked66.1%Counter Sabotage

Rarest0.3%Plundering Prodigy

Global unlock rate

share of players who have it

• Counter Sabotage Hidden achievement 66.1%
• Breaking The Ice Complete a heist for the first time 64.7%
• Flashing Lights Hidden achievement 55.5%
• Barbed Feet Hidden achievement 54.9%
• Pest Control Hidden achievement 31.5%
• I Want It All Steal every valuable during a heist 29.3%
• Cop Carnage 250 Police Kills 19.8%
• Time to get out! Hidden achievement 11.4%
• Millionaire! Steal $1.000.000 6.4%
• The Bare Minimum Complete a heist only leaving with the minimum take 5.9%
• Trigger Happy Complete 10 heists loud 5.6%
• Lockpicking Initiate Pick 100 locks 3.5%
• Lawmen Liquidator 1000 Police Kills 2.9%
• Guard Eliminator Kill 250 guards 2.5%
• Silent Operator Complete 10 heists stealth 2.4%
• Pacifist Complete a heist without equipping guns or mask 2.4%
• Circuit Breaker Breaker Kill 50 powerbox defuser units 1.6%
• Guns Blazing Complete 25 heists loud 1.3%

All 43 achievements

• Workplace Accident Hidden achievement 1%
• Money Magnet Steal $5.000.000 0.9%
• Covert Specialist Complete 25 heists stealth 0.8%
• Lousy Security Kill 500 guards 0.8%
• Flash Foiler Kill 50 blinding shield units 0.6%
• Shield Shatterer Kill 50 shield units 0.6%
• Public Enemy Complete 50 heists loud 0.5%
• Powerbox Punisher Kill 100 powerbox defuser units 0.5%
• Lockpick Luminary Pick 500 locks 0.5%
• Stealth Mastermind Complete 50 heists stealth 0.4%
• Guard Reaper Kill 1000 guards 0.4%
• Interceptor Interceptor Kill 50 interceptor units 0.4%
• Titan Takedown Kill 50 juggernaut units 0.4%
• Light Disrupter Kill 100 blinding shield units 0.3%
• Glare Eradicator Kill 300 blinding shield units 0.3%
• Interceptor Exterminator Kill 100 interceptor units 0.3%
• Interceptor Dominator Kill 300 interceptor units 0.3%
• Bulldozer Breaker Kill 100 juggernaut units 0.3%
• Juggernaut Demolisher Kill 300 juggernaut units 0.3%
• ACAB 5000 Police Kills 0.3%
• Electric Executioner Kill 300 powerbox defuser units 0.3%
• Barrier Breaker Kill 100 shield units 0.3%
• Shield Shredder Kill 300 shield units 0.3%
• Locksmith Legend Pick 1000 locks 0.3%
• Plundering Prodigy Steal $20.000.000 0.3%