| Countries by National Anthem | 0 | - | 4.92 | 71,375 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,776,350 |
| Landlocked Countries | 0 | - | 4.99 | 424,438 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,795,865 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 334,195 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,289 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 408,912 |
| Island Countries | 0 | - | 4.99 | 712,044 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,597 |
| Himalayan Countries | 0 | - | 4.94 | 139,745 |
| Andean Countries | 0 | - | 4.94 | 85,171 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,350 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,609 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,920 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,211 |
| Danube Countries | 0 | - | 4.97 | 72,264 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,402 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,695 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,844 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,341 |
| European Landlocked Countries | 0 | - | 4.99 | 147,448 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,073 |
| Countries with the Most Species | 0 | - | 4.99 | 103,474 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,215 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,709 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,819 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,738 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,472 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,897 |
| Countries in the Alps | 0 | - | 4.87 | 118,571 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,287 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,585 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,859 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,880 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,800 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,131 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,128 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,742 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,333 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,056 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,788 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,657 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,445 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,676 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,768 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,502 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,515 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 65,510 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,479 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,176 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,819 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,424 |
| Largest Countries By Category | 0 | - | 4.97 | 158,641 |
| Countries by Countries | 0 | - | 4.96 | 63,506 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,390,590 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,085 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,361 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,975 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,053,208 |
| Northernmost Countries | 0 | - | 4.99 | 363,384 |
| Countries of South America | 0 | - | 5.00 | 930,821 |
| Countries of Oceania | 0 | - | 5.00 | 1,061,187 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,885,235 |
| "Land" Countries | 0 | - | 4.98 | 338,047 |
| Germany Country Quiz | 0 | - | 4.82 | 158,635 |
| Russia Country Quiz | 0 | - | 4.83 | 115,180 |
| Japan Country Quiz | 0 | - | 4.93 | 143,146 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 140,747 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,651 |
| Tanzania Country Quiz | 0 | - | 4.90 | 33,211 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,517 |
| Jordan Country Quiz | 0 | - | 4.86 | 32,033 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,529 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,756 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,929 |
| Samoa Country Quiz | 0 | - | 4.81 | 20,924 |
| Tonga Country Quiz | 0 | - | 4.83 | 20,599 |
| Kenya Country Quiz | 0 | - | 4.86 | 34,952 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,887 |
| Qatar Country Quiz | 0 | - | 4.86 | 31,668 |
| Palau Country Quiz | 0 | - | 4.90 | 23,112 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,452,156 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,993 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,785 |
| Countries with Megacities | 0 | - | 4.99 | 266,357 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,494 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,900 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,785 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,010 |
| Countries by Official Language | 0 | - | 4.95 | 195,763 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,291 |
| Countries in their Native Language | 0 | - | 4.99 | 199,547 |
| Independence from Whom | 0 | - | 4.99 | 212,745 |
| Subdivisions by Country | 0 | - | 4.87 | 50,563 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,215 |
| Megadiverse Countries | 0 | - | 4.96 | 135,190 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,758 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,481 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 126,382 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,180 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,437 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,754 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,901 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,503 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,775 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,222 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,197 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 108,308 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,374 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,096 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,514 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,631 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 112,011 |
| World Map Quiz | 0 | - | 4.81 | 65,444 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 158,592 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,578 |
| Southernmost Countries of the World | 0 | - | 4.99 | 228,983 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,940 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,427 |
| Countries With the Most Languages | 0 | - | 4.90 | 203,219 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,285 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,402 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,596 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,618 |
| Tallest Countries North to South | 0 | - | 4.86 | 130,071 |
| Widest Countries East to West | 0 | - | 4.92 | 130,304 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,558 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,104 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,467 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,978 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,859 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,358 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,467 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,863 |
| Countries with Double Letters | 0 | - | 4.96 | 96,797 |
| Countries that End in N | 0 | - | 4.95 | 171,685 |
| Countries with Five Letters | 0 | - | 4.96 | 283,387 |
| Countries with Six Letters | 0 | - | 4.94 | 214,153 |
| Countries with W | 0 | - | 4.96 | 160,743 |
| Countries with Z | 0 | - | 4.98 | 292,123 |
| Countries with Letters Missing | 0 | - | 4.96 | 187,093 |
| Countries That End in U | 0 | - | 4.95 | 121,075 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 134,898 |
| Countries that End in O | 0 | - | 4.92 | 159,724 |
| Countries that End in R | 0 | - | 4.87 | 119,112 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,860 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,583 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 171,003 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,714 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,644 |
| Countries That End in Y | 0 | - | 4.91 | 186,026 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 198,284 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 153,139 |
| Countries that End in I | 0 | - | 4.94 | 135,255 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 184,456 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,976 |
| Countries That End in NIA | 0 | - | 4.92 | 109,960 |
| Countries That End in BIA | 0 | - | 4.93 | 149,461 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,394 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,666 |
| Countries That End in RIA | 0 | - | 4.93 | 126,978 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 111,265 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 228,263 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 134,026 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 126,460 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 92,029 |
| Add A Letter - Make a Country | 0 | - | 4.81 | 74,732 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 53,229 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,508 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,780 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,580 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 54,266 |
| Countries that End in L | 0 | - | 4.94 | 157,035 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 216,984 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,316 |
| City to Country Quiz #1 | 0 | - | 4.97 | 156,698 |
| City to Country Quiz #3 | 0 | - | 4.88 | 119,429 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 79,238 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 250,217 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 200,999 |
| Five Least Populated Countries by Continent | 0 | - | 4.95 | 143,340 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 164,131 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 225,812 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 153,114 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 71,191 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,781 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 63,157 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,844,041 |
| One Border Countries | 0 | - | 4.98 | 471,300 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,930 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,646,699 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 28,002 |
| Brunei Country Quiz | 0 | - | 4.87 | 22,053 |
| Botswana Country Quiz | 0 | - | 4.90 | 22,623 |
| Lesotho Country Quiz | 0 | - | 4.83 | 20,668 |
| Mauritius Country Quiz | 0 | - | 4.83 | 22,362 |
| Liberia Country Quiz | 0 | - | 4.85 | 21,985 |
| Mali Country Quiz | 0 | - | 4.83 | 24,915 |
| Egypt Country Quiz | 0 | - | 4.83 | 77,859 |
| Oman Country Quiz | 0 | - | 4.86 | 27,053 |
