GET YOUR BEARINGS
About One-armed robber
One‑Armed Robber puts you in the shoes of a one‑armed bank thief, letting you team up with a friend to make two arms total. The game mixes action, strategy and simulation as you plan and execute heists.
You can choose stealth or loud approaches, unlock tools, customize guns and haul loot back to the truck. It runs on Windows, supports single‑player, online co‑op and includes Steam features such as achievements and cloud saves.
01 / THE GUIDE
Heist Playstyles
Each heist can be tackled either quietly or aggressively. The description notes that a suppressor suits stealth, while damage and ammo favor a loud approach, letting players decide how to reach the vault.
Regardless of style, the final objective remains the same: collect loot in the vault and escape alive. This consistency lets players experiment with different tactics across multiple runs.
- Try a suppressor first to see how stealth affects guard behavior.
- Switch to an extended mag if you prefer sustained fire.
02 / THE GUIDE
Gun Unlocks and Mods
New guns become available as you progress, and each can be customized to fit your playstyle. The description mentions unlocking and buying guns, then adding attachments like suppressors or extended magazines.
Customization directly influences how you handle encounters, allowing you to tailor firepower or concealment based on the chosen heist approach.
- Invest in a suppressor for silent entries.
- Add an extended magazine when you expect heavy resistance.

03 / THE GUIDE
Two‑Arm Cooperation
Playing with a friend gives you two arms total, which the description highlights as a core cooperative element. This shared capability expands the range of actions each player can perform during a robbery.
Co‑op is supported online, and both players can coordinate to manage weapons, guard encounters, and loot transport, making teamwork essential for larger hauls.
- Communicate weapon choices before entering the bank.
- Divide loot‑carrying duties to avoid overloading one player.
04 / THE GUIDE
Unlockable Tools
As you become more experienced, new tools unlock, each with a special purpose. The description states these tools enable new ways to complete heists that were previously unavailable.
These tools broaden strategic options, allowing players to adapt to different guard layouts or vault configurations as they advance.
- Experiment with each new tool to discover its best use.
- Combine tools with weapon mods for synergistic effects.
05 / THE GUIDE
Carrying and Exfiltrating Loot
The vault’s loot must be gathered and taken out alive. If the duffel bag cannot hold everything, the description offers two solutions: return to the truck for a new bag or have friends help carry the excess.
This mechanic forces players to plan extraction routes and consider the weight limits of their equipment, influencing how many trips are needed.
- Prioritize high‑value items when bag space is limited.
- Use the truck as a staging point for multiple runs.





COMMUNITY
Player discussion