| Countries with the Most Military Troops | 0 | - | 4.95 | 291,801 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 277,551 |
| Countries with NO Military | 0 | - | 4.97 | 63,567 |
| Countries with the Most Tanks | 0 | - | 4.91 | 108,436 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 112,660 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 196,304 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,952,374 |
| Majority Muslim Countries | 0 | - | 4.98 | 378,252 |
| NATO Countries | 0 | - | 4.98 | 283,890 |
| EU Countries Quiz | 0 | - | 4.99 | 278,757 |
| Top Five Countries by Religion | 0 | - | 4.93 | 173,720 |
| Countries with the Most Elite Universities | 0 | - | 4.95 | 149,963 |
| Countries by Number of Books Published | 0 | - | 4.95 | 73,170 |
| Landlocked Countries | 0 | - | 4.99 | 427,042 |
| Countries with the Most Christians | 0 | - | 4.93 | 144,881 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 51,254 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 75,228 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 324,225 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 89,307 |
| Buddhist Countries | 0 | - | 4.96 | 145,222 |
| Countries with the Most Billionaires | 0 | - | 4.91 | 337,243 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 124,910 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,810,845 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 145,326 |
| Countries with Most Nobel Prizes by Continent | 0 | - | 4.93 | 60,112 |
| Five Coldest Countries by Continent | 0 | - | 4.97 | 76,971 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,817 |
| Himalayan Countries | 0 | - | 4.93 | 140,734 |
| Andean Countries | 0 | - | 4.94 | 85,751 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,875 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,425 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,433 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,648 |
| Countries in World War I | 0 | - | 4.88 | 229,383 |
| Danube Countries | 0 | - | 4.97 | 72,524 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,753 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,954 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,394 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,859 |
| European Landlocked Countries | 0 | - | 4.99 | 147,715 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,497 |
| Countries with the Most Species | 0 | - | 4.99 | 103,632 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 230,371 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,603 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,805 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,939 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,908 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,663 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,115 |
| Countries in the Alps | 0 | - | 4.87 | 118,937 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,935 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 108,077 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 79,046 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,149 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,100 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,368 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,560 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,978 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,500 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,294 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,945 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,818 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,657 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,905 |
| Countries with the Most Grassland | 0 | - | 4.94 | 78,003 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 120,099 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,705 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 76,276 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,811 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 246,202 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,433 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,598 |
| Largest Countries By Category | 0 | - | 4.97 | 159,052 |
| Countries by Countries | 0 | - | 4.97 | 63,788 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,200 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 336,388 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,987 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 410,227 |
| Island Countries | 0 | - | 4.99 | 712,919 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,055,898 |
| Northernmost Countries | 0 | - | 4.99 | 364,483 |
| Countries of South America | 0 | - | 5.00 | 933,970 |
| Countries of Oceania | 0 | - | 5.00 | 1,065,062 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,892,265 |
| "Land" Countries | 0 | - | 4.98 | 338,905 |
| Countries that Start with A | 0 | - | 4.98 | 2,177,844 |
| Countries that Start with B | 0 | - | 4.95 | 2,308,476 |
| Countries that Start with C | 0 | - | 4.96 | 1,833,032 |
| Countries that Start with D | 0 | - | 4.96 | 717,512 |
| Countries that Start with E | 0 | - | 4.95 | 1,386,313 |
| Countries that Start with G | 0 | - | 4.97 | 1,512,856 |
| Countries that Start with H | 0 | - | 4.96 | 610,329 |
| Countries that Start with I | 0 | - | 4.92 | 1,295,546 |
| Countries that Start with J | 0 | - | 4.98 | 607,719 |
| Countries that Start with K | 0 | - | 4.97 | 821,544 |
| Countries that Start with L | 0 | - | 4.98 | 1,097,822 |
| Countries that Start with N | 0 | - | 4.93 | 1,124,875 |
| Countries that Start with P | 0 | - | 4.94 | 1,223,041 |
| Countries that Start with S | 0 | - | 4.98 | 1,764,513 |
| Countries that Start with T | 0 | - | 4.90 | 1,015,674 |
| Countries that Start with U | 0 | - | 4.97 | 909,063 |
| Countries that Start with V | 0 | - | 4.98 | 612,440 |
| Countries that Start with F | 0 | - | 4.83 | 621,867 |
| Countries that Start with M | 0 | - | 4.97 | 1,389,335 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,763 |
| Countries with U.S. Troops | 0 | - | 4.38 | 132,674 |
| Countries with the Most Catholics | 0 | - | 4.90 | 110,570 |
| Orthodox Countries | 0 | - | 4.92 | 132,922 |
| Richest Island Countries | 0 | - | 4.85 | 101,327 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,396,370 |
| Monarchies of Europe | 0 | - | 4.90 | 98,998 |
| Monarchies of Asia | 0 | - | 4.97 | 71,585 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 124,300 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,336 |
| Countries with the Most Muslims | 0 | - | 4.95 | 161,328 |
| Countries with the Most Exports | 0 | - | 4.96 | 156,343 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 190,630 |
| Countries by Oil Consumption | 0 | - | 4.96 | 124,489 |
| Largest Economies in 2050 | 0 | - | 4.88 | 112,038 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 275,434 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 105,108 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 85,192 |
| Five Countries by a Single Word by Continent | 0 | - | 4.91 | 78,835 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 119,211 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,440 |
| Countries with Megacities | 0 | - | 4.99 | 267,716 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,088 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,301 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,428 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,407 |
| Countries by Official Language | 0 | - | 4.95 | 196,173 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,881 |
| Countries in their Native Language | 0 | - | 4.99 | 199,922 |
| Independence from Whom | 0 | - | 4.99 | 213,354 |
| Subdivisions by Country | 0 | - | 4.87 | 50,659 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,624 |
| Megadiverse Countries | 0 | - | 4.96 | 148,285 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 133,104 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,569 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,787 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,253 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 164,432 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,913 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,253 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,614 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 96,150 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,281 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,723 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 108,469 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,495 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,205 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,931 |
| Richest Countries A-Z | 0 | - | 4.91 | 104,196 |
| Large Countries with Small Economies | 0 | - | 4.95 | 81,372 |
| Smallest Countries with at Least One Border | 0 | - | 4.88 | 107,783 |
| Southernmost Countries of the World | 0 | - | 4.99 | 229,459 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 106,208 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,678 |
| Countries With the Most Languages | 0 | - | 4.90 | 203,865 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,532 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,640 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,833 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,755 |
| Tallest Countries North to South | 0 | - | 4.85 | 130,919 |
| Widest Countries East to West | 0 | - | 4.92 | 130,821 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,624 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,366 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,551 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 95,141 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 149,081 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,592 |
| Countries by Contribution to UN Budget | 0 | - | 4.88 | 77,528 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,917 |
| Countries with Double Letters | 0 | - | 4.96 | 97,549 |
| Countries that End in N | 0 | - | 4.95 | 172,570 |
| Countries with Five Letters | 0 | - | 4.96 | 284,548 |
| Countries with Six Letters | 0 | - | 4.94 | 214,891 |
| Countries with W | 0 | - | 4.96 | 161,271 |
| Countries with Z | 0 | - | 4.98 | 292,923 |
| Countries with Letters Missing | 0 | - | 4.96 | 187,631 |
| Countries That End in U | 0 | - | 4.95 | 121,364 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 135,378 |
| Countries that End in O | 0 | - | 4.92 | 160,352 |
| Countries that End in R | 0 | - | 4.87 | 119,267 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 156,048 |
| Countries Ending in "IA" | 0 | - | 4.99 | 210,100 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 184,630 |
| Countries by Last Two Letters | 0 | - | 4.85 | 136,138 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 143,645 |
| Countries That End in Y | 0 | - | 4.91 | 186,160 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 199,162 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 153,391 |
| Countries that End in I | 0 | - | 4.94 | 135,410 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 185,181 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 96,129 |
| Countries That End in NIA | 0 | - | 4.92 | 110,145 |
| Countries That End in BIA | 0 | - | 4.93 | 149,713 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,909 |
| Countries Whose Names Start with Saint | 0 | - | 4.88 | 119,878 |
| Countries That End in RIA | 0 | - | 4.93 | 127,131 |
