| Countries with Nuclear Weapons | 0 | - | 4.89 | 216,187 |
| Countries with NO Military | 0 | - | 4.96 | 48,790 |
| Countries with the Most Tanks | 0 | - | 4.90 | 74,738 |
| NATO Countries Quiz | 0 | - | 4.98 | 223,872 |
| EU Countries Quiz | 0 | - | 4.99 | 226,306 |
| Top Five Countries by Religion | 0 | - | 4.91 | 140,237 |
| Countries with the Most Elite Universities | 0 | - | 4.95 | 120,688 |
| Countries by Number of Books Published | 0 | - | 4.95 | 63,089 |
| Countries of the World Quiz | 0 | - | 5.00 | 40,507,697 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 318,016 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,023,931 |
| Majority Muslim Countries | 0 | - | 4.97 | 311,758 |
| Countries on the Equator | 0 | - | 4.82 | 132,840 |
| Members of the Arab League | 0 | - | 4.82 | 59,454 |
| Sahara Desert Countries | 0 | - | 4.97 | 125,280 |
| Himalayan Countries | 0 | - | 4.95 | 102,626 |
| Andean Countries | 0 | - | 4.90 | 57,021 |
| Countries with the Oldest Median Age | 0 | - | 4.85 | 57,865 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 48,617 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 101,946 |
| Coffee Producing Countries | 0 | - | 4.82 | 53,583 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 52,779 |
| Danube Countries | 0 | - | 4.97 | 56,375 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 91,425 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 64,619 |
| Countries with the Best Passports | 0 | - | 4.87 | 70,420 |
| Countries with the Worst Passports | 0 | - | 4.87 | 48,833 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 108,453 |
| European Landlocked Countries | 0 | - | 4.99 | 114,861 |
| Partially Recognized Countries | 0 | - | 4.98 | 88,809 |
| Countries with the Most Species | 0 | - | 4.99 | 89,099 |
| Countries 197 to 205 | 0 | - | 4.88 | 55,881 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 44,461 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 43,830 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 47,801 |
| Countries that Use the Peso | 0 | - | 4.81 | 46,147 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.87 | 58,477 |
| Countries with a AAA Credit Rating | 0 | - | 4.89 | 48,721 |
| Countries in the Alps | 0 | - | 4.82 | 101,903 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 84,712 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 85,897 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 71,158 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 77,776 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 93,417 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 87,107 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 89,100 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 45,787 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 45,084 |
| Countries with the Most Christians | 0 | - | 4.93 | 106,255 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 54,207 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 68,948 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 48,346 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 36,433 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 95,021 |
| Arctic Ocean Countries | 0 | - | 4.93 | 71,540 |
| Countries with the Most Grassland | 0 | - | 4.93 | 69,022 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 96,732 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 60,985 |
| Countries that Host the Most Refugees | 0 | - | 4.93 | 52,991 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 193,065 |
| World Countries - Blind Typing | 0 | - | 5.00 | 71,524 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 41,989 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 40,542 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 65,727 |
| Largest Countries By Category | 0 | - | 4.96 | 143,976 |
| Countries by Countries | 0 | - | 4.96 | 54,138 |
| Least Christian Countries with Exceptions | 0 | - | 4.89 | 71,665 |
| Buddhist Countries | 0 | - | 4.96 | 130,176 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 77,434 |
| Countries with the Most Millionaires | 0 | - | 4.84 | 82,204 |
| Spanish-Speaking Countries | 0 | - | 4.94 | 338,794 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 352,113 |
| Island Countries Quiz | 0 | - | 4.99 | 639,113 |
| Countries in World War I | 0 | - | 4.89 | 208,358 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 206,608 |
| Biggest Countries by Area | 0 | - | 5.00 | 925,565 |
| Northernmost Countries | 0 | - | 4.99 | 325,480 |
| Countries of South America | 0 | - | 5.00 | 784,494 |
| Countries of Oceania | 0 | - | 5.00 | 883,128 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,113,170 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,553,794 |
| Countries with U.S. Troops | 0 | - | 4.39 | 124,943 |
| Countries with the Most Catholics | 0 | - | 4.91 | 92,073 |
| Orthodox Countries | 0 | - | 4.91 | 116,182 |
| Monarchies of Europe | 0 | - | 4.88 | 86,341 |
| Monarchies of Asia | 0 | - | 4.95 | 53,632 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 281,417 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.95 | 104,856 |
| Countries with the Most Billionaires | 0 | - | 4.94 | 278,870 |
| Countries with the Most Muslims | 0 | - | 4.93 | 130,765 |
| Countries with the Most Exports | 0 | - | 4.96 | 122,110 |
| Top Crude Oil Producing Countries | 0 | - | 4.87 | 155,545 |
| Countries by Oil Consumption | 0 | - | 4.96 | 110,535 |
| Largest Economies in 2050 | 0 | - | 4.90 | 98,360 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 237,279 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.94 | 71,558 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.86 | 60,153 |
| Countries that Start with A | 0 | - | 4.98 | 1,928,712 |
| Countries that Start with B | 0 | - | 4.96 | 2,067,140 |
| Countries that Start with C | 0 | - | 4.96 | 1,634,210 |
| Countries that Start with D | 0 | - | 4.96 | 585,182 |
| Countries that Start with E | 0 | - | 4.95 | 1,222,095 |
| Countries that Start with G | 0 | - | 4.97 | 1,341,513 |
| Countries that Start with H | 0 | - | 4.95 | 498,963 |
| Countries that Start with I | 0 | - | 4.92 | 1,152,983 |
| Countries that Start with J | 0 | - | 4.98 | 502,483 |
| Countries that Start with K | 0 | - | 4.97 | 705,301 |
| Countries that Start with L | 0 | - | 4.98 | 963,567 |
| Countries that Start with N | 0 | - | 4.92 | 990,028 |
| Countries that Start with P | 0 | - | 4.94 | 1,092,858 |
| Countries that Start with S | 0 | - | 4.98 | 1,594,212 |
| Countries that Start with T | 0 | - | 4.88 | 902,787 |
| Countries that Start with U | 0 | - | 4.96 | 815,342 |
| Countries that Start with V | 0 | - | 4.98 | 546,109 |
| Countries that Start with F | 0 | - | 4.83 | 531,816 |
| Countries that Start with M | 0 | - | 4.97 | 1,245,582 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 97,200 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 160,947 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 75,797 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 124,316 |
| Countries with Megacities | 0 | - | 4.99 | 194,988 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 169,646 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 96,958 |
| Countries With More than 200 Million People | 0 | - | 4.93 | 93,825 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 62,808 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 245,325 |
| Countries by Official Language | 0 | - | 4.95 | 153,602 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 246,991 |
| Countries in their Native Language | 0 | - | 4.98 | 177,105 |
| Independence from Whom | 0 | - | 4.99 | 183,861 |
| Subdivisions by Country | 0 | - | 4.82 | 46,205 |
| Who Controlled These Colonies? | 0 | - | 4.89 | 112,309 |
| Megadiverse Countries | 0 | - | 4.96 | 124,815 |
| Countries With the Most English Speakers | 0 | - | 4.87 | 90,080 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 106,060 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.82 | 47,147 |
| 15 Biggest Island Countries | 0 | - | 4.99 | 130,167 |
| Most Recently-Settled Countries | 0 | - | 4.92 | 48,774 |
| Countries of the World in 1938 Quiz | 0 | - | 4.96 | 76,929 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.95 | 144,363 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 76,544 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 40,999 |
| Countries by Sports League Revenue | 0 | - | 4.87 | 43,061 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 100,861 |
| Countries Furthest from the United States | 0 | - | 4.94 | 71,401 |
| Countries with the Highest HDI | 0 | - | 4.95 | 130,516 |
| Smallest Countries with at Least One Border | 0 | - | 4.91 | 80,820 |
| Southernmost Countries of the World | 0 | - | 4.99 | 205,457 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 90,193 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.90 | 107,148 |
| Countries With the Most Languages | 0 | - | 4.90 | 171,772 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.92 | 86,616 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.85 | 70,937 |
| Countries with the Most Prisoners | 0 | - | 4.93 | 85,550 |
| Countries with the Most Domestic Camels | 0 | - | 4.92 | 53,362 |
| Tallest Countries North to South | 0 | - | 4.84 | 109,900 |
| Widest Countries East to West | 0 | - | 4.93 | 118,785 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 68,692 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 157,975 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 92,133 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.96 | 84,852 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 118,169 |
| Countries with the Most Desert | 0 | - | 4.92 | 104,581 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 66,275 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 31,878 |
| Countries with Double Letters | 0 | - | 4.96 | 67,100 |
| Countries that End in N | 0 | - | 4.94 | 131,550 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 228,026 |
| Countries with Six Letters Quiz | 0 | - | 4.95 | 185,803 |
| Countries with W | 0 | - | 4.97 | 121,812 |
| Countries with Z | 0 | - | 4.98 | 242,744 |
| Countries with Letters Missing | 0 | - | 4.97 | 154,721 |
| Countries That End in U | 0 | - | 4.94 | 107,043 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 88,448 |
| Countries that End in O | 0 | - | 4.92 | 146,472 |
| Countries that End in R | 0 | - | 4.86 | 96,164 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 146,915 |
| Countries Ending in "IA" | 0 | - | 4.99 | 169,714 |
| Countries by First and Last Letter #1 | 0 | - | 4.98 | 154,958 |
| Countries by Last Two Letters | 0 | - | 4.90 | 115,647 |
| Countries by First and Last Letter #2 | 0 | - | 4.95 | 128,584 |
| Countries That End in Y | 0 | - | 4.90 | 160,849 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 159,760 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.91 | 119,923 |
| Countries that End in I | 0 | - | 4.92 | 114,202 |
| Countries Based on First Two Letters #2 | 0 | - | 4.98 | 148,546 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 87,859 |
| Countries That End in NIA | 0 | - | 4.93 | 100,377 |
| Countries That End in BIA | 0 | - | 4.91 | 125,435 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.93 | 152,472 |
| Countries Whose Names Start with Saint | 0 | - | 4.88 | 109,118 |
| Countries That End in RIA | 0 | - | 4.89 | 100,517 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 99,816 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 198,919 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 118,749 |
| Divided Country Name Puzzle #3 | 0 | - | 4.93 | 109,549 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 4.99 | 76,468 |
| Countries with a Unique Last Letter | 0 | - | 4.91 | 91,615 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 42,432 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 39,881 |
