| Name a World Capital A-Z | 0 | - | 5.00 | 175,196 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,422 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 88,951 |
| Countries Closest to Spain A-Z | 0 | - | 4.99 | 107,791 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 190,107 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 335,327 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,017,985 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,321,403 |
| Countries with the Most Christians | 0 | - | 4.92 | 141,777 |
| Countries by Emojis | 0 | - | 4.99 | 237,087 |
| Countries With One Word And Two O's | 0 | - | 4.94 | 55,240 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,102 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 27,007 |
| Landlocked Countries | 0 | - | 4.99 | 414,860 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,726,795 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,196 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,528 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,460 |
| Countries with the Most Catholics | 0 | - | 4.90 | 108,272 |
| Orthodox Countries | 0 | - | 4.91 | 130,585 |
| Countries that Produce the Most Cheese per Capita | 0 | - | 4.53 | 52,590 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 47,928 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 95,766 |
| Battle to Country | 0 | - | 4.91 | 52,650 |
| Monarchies of Europe | 0 | - | 4.90 | 97,482 |
| Monarchies of Asia | 0 | - | 4.97 | 70,690 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,511 |
| Countries That Produce the Most Spices | 0 | - | 4.44 | 41,479 |
| Countries by Milk Production | 0 | - | 4.54 | 43,693 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,677 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 110,795 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 325,411 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,566 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 402,475 |
| Island Countries | 0 | - | 4.99 | 708,092 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,086 |
| Himalayan Countries | 0 | - | 4.95 | 135,802 |
| Andean Countries | 0 | - | 4.94 | 83,077 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,409 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,511 |
| Coffee Producing Countries | 0 | - | 4.81 | 66,108 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,772 |
| Danube Countries | 0 | - | 4.97 | 71,213 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 115,937 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,661 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,760 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,669 |
| European Landlocked Countries | 0 | - | 4.99 | 145,908 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,423 |
| Countries with the Most Species | 0 | - | 4.99 | 95,314 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,569 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,244 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,420 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,033 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,677 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,042 |
| Countries in the Alps | 0 | - | 4.86 | 117,034 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,704 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,493 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,127 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,536 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,323 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,106 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,731 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,862 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,644 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,167 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,248 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,112 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,572 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,848 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,852 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,346 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,758 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,329 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,969 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,956 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,065 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,694 |
| Top 15 Countries with the Most Starbucks | 0 | - | 4.51 | 80,579 |
| Countries That Eat the Most Pork | 0 | - | 4.18 | 39,152 |
| Largest Countries By Category | 0 | - | 4.97 | 156,949 |
| Countries by Countries | 0 | - | 4.96 | 62,397 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,365,648 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,585 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,005 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,885 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,041,136 |
| Northernmost Countries | 0 | - | 4.99 | 358,434 |
| Companies by Country | 0 | - | 4.61 | 118,838 |
| Countries of South America | 0 | - | 5.00 | 916,944 |
| Countries of Oceania | 0 | - | 5.00 | 1,043,094 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,852,585 |
| "Land" Countries | 0 | - | 4.98 | 333,970 |
| Countries that Produce the Most Cheese | 0 | - | 4.77 | 63,107 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 117,588 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 131,743 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,535 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,487 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,385 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,203 |
| Countries that Produce the Most Beer | 0 | - | 4.85 | 129,838 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,388 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,264 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,563 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 257,526 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,212 |
| Name a Valid African Country | 0 | - | 4.98 | 153,128 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,437,190 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,167 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,760 |
| Countries with Megacities | 0 | - | 4.99 | 247,897 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,640 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,270 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,025 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,225 |
| Countries by Official Language | 0 | - | 4.95 | 193,043 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,512 |
| Countries in their Native Language | 0 | - | 4.99 | 196,891 |
| Independence from Whom | 0 | - | 4.99 | 210,019 |
| Subdivisions by Country | 0 | - | 4.86 | 50,119 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,975 |
| Megadiverse Countries | 0 | - | 4.97 | 134,008 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,050 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,981 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,489 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,890 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,813 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,086 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,262 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,320 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,271 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,773 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,813 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,482 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,584 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,565 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,762 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 71,094 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 108,954 |
| World Map Quiz | 0 | - | 4.81 | 63,708 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,491 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,676 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,440 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,168 |
| Countries With the Most Languages | 0 | - | 4.90 | 200,162 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,055 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,251 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,452 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,038 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,490 |
| Widest Countries East to West | 0 | - | 4.92 | 128,983 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,272 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,408 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,627 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,820 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,763 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,177 |
| Countries by Contribution to UN Budget | 0 | - | 4.89 | 75,700 |
| Countries that Eat the Most Meat | 0 | - | 4.23 | 42,375 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,630 |
| Political Movements by Country | 0 | - | 4.46 | 72,320 |
| Countries with Double Letters | 0 | - | 4.97 | 93,614 |
| Countries that End in N | 0 | - | 4.94 | 157,082 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 258,939 |
| Countries with Six Letters | 0 | - | 4.93 | 210,613 |
| Countries with W | 0 | - | 4.97 | 158,376 |
| Countries with Z | 0 | - | 4.98 | 288,149 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,707 |
| Countries That End in U | 0 | - | 4.95 | 119,594 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,817 |
| Countries that End in O | 0 | - | 4.92 | 158,628 |
| Countries that End in R | 0 | - | 4.87 | 118,352 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,914 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,342 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,497 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,610 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,159 |
| Countries That End in Y | 0 | - | 4.90 | 185,268 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,563 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,846 |
| Countries that End in I | 0 | - | 4.94 | 134,520 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,401 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,276 |
| Countries That End in NIA | 0 | - | 4.92 | 109,088 |
| Countries That End in BIA | 0 | - | 4.92 | 147,821 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,210 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,602 |
| Countries That End in RIA | 0 | - | 4.93 | 126,176 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 110,136 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 225,603 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,635 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 124,995 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,511 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,001 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,240 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 102,758 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 124,643 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 48,871 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 52,948 |
