Gun Guesser is a free educational geography quiz where players learn about the history of firearms by identifying where they were designed. You're shown a historical firearm and place a pin on a world map to guess its country of origin. The database covers over 900 firearms spanning from pre-1900 through the modern era.

Is Gun Guesser free to play?

Yes, Gun Guesser is completely free. No account or sign-up required — just enter a name and start learning.

Can I play Gun Guesser with friends?

Yes. Create a multiplayer room, share the 4-letter room code with friends, and compete in real-time. Up to 10 players per room.

How many firearms are in Gun Guesser?

Over 900 historical and modern firearms from every major arms-producing country. Categories include pistols, revolvers, rifles, submachine guns, machine guns, shotguns, sniper rifles, and heavy weapons, spanning pre-1900 through the present day.

Is Gun Guesser like GeoGuessr?

Gun Guesser is inspired by GeoGuessr but focuses on firearms history. Instead of identifying locations from street-view photos, you identify where historical firearms were designed on an interactive world map.

What categories are available in Gun Guesser?

Categories are organized by historical era (Classic, World War I, World War II, Pre-1900, Modern) and by weapon type (Pistols & Revolvers, SMGs & PDWs, Machine Guns, Shotguns, Snipers & Precision Rifles, Heavy Weapons).

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M/937A (Portuguese Army)

Submachine Gun

DesignerFBP

Design Year1948

Difficulty

Medium

In-Game Hints

-A hybrid submachine gun combining features of the MP40 and M3 Grease Gun
-Used extensively in colonial wars in Africa during the 1960s-70s
-A frankenstein combination of German and American designs

Country of OriginClick to reveal

Portugal

Wikipedia

About the M/937A (Portuguese Army)

The M/937A (Portuguese Army) is a submachine gun designed by FBP in 1948. In the Gun Guesser firearms database it is rated medium difficulty, meaning players find its country of origin moderately challenging — correct guesses usually require knowing the era or designer.

Submachine guns are automatic weapons that fire pistol-caliber cartridges. They excel in close-quarters combat and saw heavy use in both World Wars, though assault rifles have largely replaced them in military service.

Gun Guesser is an educational geography quiz that presents you with firearms like the M/937A (Portuguese Army)and challenges you to locate their country of origin on a world map. It's designed to help players learn firearm history, geography, and the global story of how different nations developed their military and civilian arms industries.

Think you know where the M/937A (Portuguese Army) was designed? Play Gun Guesser to test your firearms geography knowledge, or browse the full firearms database to study up before your next game.

Can You Guess Where the M/937A (Portuguese Army) Was Made?

Test your knowledge in Gun Guesser — the educational geography quiz where you pin firearm origins on the world map.

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Related Firearms

M/937A (Portuguese Army)

In-Game Hints

About the M/937A (Portuguese Army)

Can You Guess Where the M/937A (Portuguese Army) Was Made?

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