| Countries with Nuclear Weapons | 0 | - | 4.89 | 252,012 |
| Countries with NO Military | 0 | - | 4.97 | 57,533 |
| Countries with the Most Tanks | 0 | - | 4.88 | 86,745 |
| NATO Countries Quiz | 0 | - | 4.98 | 260,624 |
| EU Countries Quiz | 0 | - | 4.99 | 257,269 |
| Top Five Countries by Religion | 0 | - | 4.91 | 160,595 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 140,440 |
| Countries by Number of Books Published | 0 | - | 4.95 | 69,515 |
| Countries of the World Quiz | 0 | - | 5.00 | 44,964,877 |
| Majority Muslim Countries | 0 | - | 4.98 | 353,276 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 391,124 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,456,163 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,533,184 |
| Sahara Desert Countries | 0 | - | 4.98 | 149,788 |
| Himalayan Countries | 0 | - | 4.94 | 125,918 |
| Andean Countries | 0 | - | 4.93 | 70,863 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 58,341 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 115,943 |
| Coffee Producing Countries | 0 | - | 4.83 | 61,700 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 60,785 |
| Danube Countries | 0 | - | 4.97 | 61,842 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 98,235 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 82,852 |
| Countries with the Worst Passports | 0 | - | 4.92 | 75,737 |
| Countries with the Most Immigrants | 0 | - | 4.89 | 141,342 |
| European Landlocked Countries | 0 | - | 4.99 | 142,230 |
| Partially Recognized Countries | 0 | - | 4.98 | 100,085 |
| Countries with the Most Species | 0 | - | 4.99 | 93,251 |
| Countries 197 to 205 | 0 | - | 4.88 | 65,033 |
| Tropic of Cancer Countries | 0 | - | 4.95 | 47,147 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 46,227 |
| Countries that Use the Peso | 0 | - | 4.89 | 57,127 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.88 | 70,641 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 54,576 |
| Countries in the Alps | 0 | - | 4.86 | 112,204 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 91,747 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 99,743 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 76,133 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 90,945 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 111,866 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.90 | 92,741 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 96,291 |
| Five Biggest Countries by Longitude | 0 | - | 4.90 | 50,598 |
| Biggest Country by Body of Water | 0 | - | 4.95 | 48,563 |
| Countries with the Most Christians | 0 | - | 4.92 | 135,569 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 59,617 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 51,796 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 39,599 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 100,930 |
| Arctic Ocean Countries | 0 | - | 4.94 | 76,583 |
| Countries with the Most Grassland | 0 | - | 4.93 | 74,425 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 111,225 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 65,554 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 57,454 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.94 | 40,795 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 226,877 |
| World Countries - Blind Typing | 0 | - | 5.00 | 97,940 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 45,797 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 47,277 |
| Top Oil Reserve Countries | 0 | - | 4.92 | 71,561 |
| Largest Countries By Category | 0 | - | 4.97 | 152,676 |
| Countries by Countries | 0 | - | 4.96 | 59,343 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 82,687 |
| Buddhist Countries | 0 | - | 4.96 | 138,799 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 84,954 |
| Countries with the Most Billionaires | 0 | - | 4.92 | 324,116 |
| Countries with the Most Millionaires | 0 | - | 4.87 | 114,619 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 363,280 |
| Countries with the Most Tourists Quiz | 0 | - | 4.91 | 387,169 |
| Island Countries Quiz | 0 | - | 4.99 | 695,851 |
| Countries in World War I | 0 | - | 4.88 | 221,589 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 221,790 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,007,316 |
| Northernmost Countries | 0 | - | 4.99 | 345,303 |
| Countries of South America | 0 | - | 5.00 | 875,970 |
| Countries of Oceania | 0 | - | 5.00 | 992,036 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,759,247 |
| Countries with U.S. Troops | 0 | - | 4.38 | 130,029 |
| Catholic Countries Quiz | 0 | - | 4.81 | 208,770 |
| Countries with the Most Catholics | 0 | - | 4.89 | 103,395 |
| Orthodox Countries | 0 | - | 4.92 | 126,684 |
| Richest Island Countries | 0 | - | 4.82 | 96,097 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,288,807 |
| Monarchies of Europe | 0 | - | 4.89 | 94,221 |
| Monarchies of Asia | 0 | - | 4.96 | 68,879 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.96 | 116,476 |
| Asian Country Superlatives | 0 | - | 4.83 | 78,322 |
| Countries with the Most Muslims | 0 | - | 4.94 | 155,225 |
| Countries with the Most Exports | 0 | - | 4.96 | 150,259 |
| Top Crude Oil Producing Countries | 0 | - | 4.90 | 183,884 |
| Countries by Oil Consumption | 0 | - | 4.96 | 117,556 |
| Largest Economies in 2050 | 0 | - | 4.90 | 108,037 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 252,894 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 99,479 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.90 | 80,916 |
| Countries that Start with A | 0 | - | 4.98 | 2,085,286 |
| Countries that Start with B | 0 | - | 4.95 | 2,223,111 |
| Countries that Start with C | 0 | - | 4.96 | 1,764,091 |
| Countries that Start with D | 0 | - | 4.96 | 669,870 |
| Countries that Start with E | 0 | - | 4.95 | 1,328,813 |
| Countries that Start with G | 0 | - | 4.97 | 1,451,966 |
| Countries that Start with H | 0 | - | 4.96 | 571,024 |
| Countries that Start with I | 0 | - | 4.92 | 1,248,470 |
| Countries that Start with J | 0 | - | 4.98 | 570,790 |
| Countries that Start with K | 0 | - | 4.97 | 782,756 |
| Countries that Start with L | 0 | - | 4.98 | 1,051,643 |
| Countries that Start with N | 0 | - | 4.93 | 1,078,367 |
| Countries that Start with P | 0 | - | 4.95 | 1,178,120 |
| Countries that Start with S | 0 | - | 4.98 | 1,704,699 |
| Countries that Start with T | 0 | - | 4.89 | 979,793 |
| Countries that Start with U | 0 | - | 4.97 | 879,367 |
| Countries that Start with V | 0 | - | 4.98 | 589,027 |
| Countries that Start with F | 0 | - | 4.83 | 590,010 |
| Countries that Start with M | 0 | - | 4.97 | 1,339,506 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 106,855 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 188,746 |
| Most Visited Countries by JetPunkers | 0 | - | 4.87 | 114,072 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 162,969 |
| Countries with Megacities | 0 | - | 4.99 | 222,617 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 189,743 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 107,778 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 129,057 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 75,201 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 302,932 |
| Countries by Official Language | 0 | - | 4.95 | 186,241 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.90 | 284,919 |
| Countries in their Native Language | 0 | - | 4.98 | 190,576 |
| Independence from Whom | 0 | - | 4.99 | 202,776 |
| Subdivisions by Country | 0 | - | 4.85 | 48,991 |
| Who Controlled These Colonies? | 0 | - | 4.90 | 125,838 |
| Megadiverse Countries | 0 | - | 4.97 | 131,339 |
| Countries With the Most English Speakers | 0 | - | 4.89 | 124,193 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 53,430 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 122,757 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 73,560 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.86 | 49,601 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 157,014 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 60,312 |
| Countries of the World in 1938 Quiz | 0 | - | 4.96 | 88,808 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.94 | 150,208 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 81,102 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 43,654 |
| Countries by Sports League Revenue | 0 | - | 4.93 | 69,818 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 105,356 |
| Countries Furthest from the United States | 0 | - | 4.93 | 86,542 |
| Countries with the Highest HDI | 0 | - | 4.95 | 135,033 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 87,875 |
| Southernmost Countries of the World | 0 | - | 4.99 | 220,515 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 100,218 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 117,895 |
| Countries With the Most Languages | 0 | - | 4.89 | 192,155 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.94 | 98,003 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 89,696 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 94,891 |
| Countries with the Most Domestic Camels | 0 | - | 4.93 | 59,055 |
| Tallest Countries North to South | 0 | - | 4.83 | 116,693 |
| Widest Countries East to West | 0 | - | 4.92 | 125,826 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 70,451 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 181,677 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 96,020 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.96 | 91,219 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 126,364 |
| Countries with the Most Desert | 0 | - | 4.93 | 124,203 |
| Countries by Contribution to UN Budget | 0 | - | 4.85 | 68,310 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 33,855 |
| Countries with Double Letters | 0 | - | 4.97 | 86,275 |
| Countries that End in N | 0 | - | 4.94 | 149,745 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 250,250 |
| Countries with Six Letters Quiz | 0 | - | 4.94 | 203,839 |
| Countries with W | 0 | - | 4.97 | 152,825 |
| Countries with Z | 0 | - | 4.98 | 279,837 |
| Countries with Letters Missing | 0 | - | 4.97 | 179,340 |
| Countries That End in U | 0 | - | 4.95 | 116,351 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 103,400 |
| Countries that End in O | 0 | - | 4.92 | 155,903 |
| Countries that End in R | 0 | - | 4.84 | 100,932 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 152,818 |
| Countries Ending in "IA" | 0 | - | 4.99 | 200,896 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 165,560 |
| Countries by Last Two Letters | 0 | - | 4.88 | 131,687 |
| Countries by First and Last Letter #2 | 0 | - | 4.95 | 137,611 |
| Countries That End in Y | 0 | - | 4.91 | 182,989 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 191,844 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 147,995 |
| Countries that End in I | 0 | - | 4.92 | 118,188 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 177,249 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 93,180 |
| Countries That End in NIA | 0 | - | 4.92 | 106,849 |
| Countries That End in BIA | 0 | - | 4.92 | 144,867 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 162,549 |
| Countries Whose Names Start with Saint | 0 | - | 4.86 | 115,895 |
| Countries That End in RIA | 0 | - | 4.92 | 123,268 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 107,184 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 218,308 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 128,810 |
| Divided Country Name Puzzle #3 | 0 | - | 4.91 | 120,766 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 4.99 | 86,684 |
| Add A Letter - Make a Country | 0 | - | 4.81 | 72,075 |
| Countries With One Word and Three A's | 0 | - | 4.94 | 49,683 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 99,551 |
