| Countries with the Most Elite Universities | 0 | - | 4.94 | 147,016 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,017,183 |
| Companies by Country | 0 | - | 4.61 | 118,837 |
| Landlocked Countries | 0 | - | 4.99 | 414,851 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,321,396 |
| Countries with the Most Christians | 0 | - | 4.92 | 141,774 |
| Countries by Emojis | 0 | - | 4.99 | 237,085 |
| Countries With One Word And Two O's | 0 | - | 4.94 | 55,239 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,101 |
| Political Movements by Country | 0 | - | 4.46 | 72,320 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,726,706 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,196 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,085 |
| Himalayan Countries | 0 | - | 4.95 | 135,799 |
| Andean Countries | 0 | - | 4.94 | 83,076 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,407 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,506 |
| Coffee Producing Countries | 0 | - | 4.81 | 66,108 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,770 |
| Danube Countries | 0 | - | 4.97 | 71,212 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 115,936 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,661 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,757 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,666 |
| European Landlocked Countries | 0 | - | 4.99 | 145,907 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,420 |
| 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 | 59,032 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,676 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,041 |
| Countries in the Alps | 0 | - | 4.86 | 117,032 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,703 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,492 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,126 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,534 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,321 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,105 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,730 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,860 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,643 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,166 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,245 |
| 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 | 78,847 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,847 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,345 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,758 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,527 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,459 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,329 |
| Countries with the Most Catholics | 0 | - | 4.90 | 108,271 |
| 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 | 239,955 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,062 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,693 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,422 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 88,950 |
| Largest Countries By Category | 0 | - | 4.97 | 156,944 |
| Orthodox Countries | 0 | - | 4.91 | 130,585 |
| Countries by Countries | 0 | - | 4.96 | 62,396 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 47,925 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 95,765 |
| Battle to Country | 0 | - | 4.91 | 52,648 |
| Monarchies of Europe | 0 | - | 4.90 | 97,480 |
| Monarchies of Asia | 0 | - | 4.97 | 70,689 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,004 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,884 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,511 |
| Books by Country Quiz | 0 | - | 4.30 | 32,186 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,677 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 110,794 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 325,406 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,563 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 402,469 |
| Island Countries | 0 | - | 4.99 | 708,091 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,365,619 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,041,118 |
| Northernmost Countries | 0 | - | 4.99 | 358,425 |
| Countries of South America | 0 | - | 5.00 | 916,934 |
| Countries of Oceania | 0 | - | 5.00 | 1,043,067 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,852,556 |
| "Land" Countries | 0 | - | 4.98 | 333,969 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 131,742 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,534 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,485 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,384 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,201 |
| Countries that Produce the Most Beer | 0 | - | 4.85 | 129,837 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,384 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,262 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,563 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 257,521 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,212 |
| Name a Valid African Country | 0 | - | 4.98 | 153,126 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,437,164 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,160 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,758 |
| Countries with Megacities | 0 | - | 4.99 | 247,888 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,636 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,268 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,020 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,220 |
| Countries by Official Language | 0 | - | 4.95 | 193,038 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,506 |
| Countries in their Native Language | 0 | - | 4.99 | 196,889 |
| Independence from Whom | 0 | - | 4.99 | 210,014 |
| Subdivisions by Country | 0 | - | 4.86 | 50,118 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,972 |
| Megadiverse Countries | 0 | - | 4.97 | 134,007 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,047 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,981 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,487 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,890 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,811 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,085 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,261 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,317 |
| 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 | 75,810 |
| 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 | 108,950 |
| World Map Quiz | 0 | - | 4.81 | 63,708 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,487 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,672 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,437 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,166 |
| Countries With the Most Languages | 0 | - | 4.90 | 200,158 |
| 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 | 98,449 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,038 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,489 |
| Widest Countries East to West | 0 | - | 4.92 | 128,982 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,271 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,407 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,626 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,819 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,762 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,176 |
| Countries by Contribution to UN Budget | 0 | - | 4.89 | 75,649 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,630 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 335,326 |
| Countries with Double Letters | 0 | - | 4.97 | 93,612 |
| 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 | 210,610 |
| Countries with W | 0 | - | 4.97 | 158,375 |
| Countries with Z | 0 | - | 4.98 | 288,147 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,706 |
| Countries That End in U | 0 | - | 4.95 | 119,594 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,816 |
| Countries that End in O | 0 | - | 4.92 | 158,628 |
| Countries that End in R | 0 | - | 4.87 | 118,351 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,914 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,341 |
| 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 | 151,844 |
| Countries that End in I | 0 | - | 4.94 | 134,518 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,400 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,274 |
| Countries That End in NIA | 0 | - | 4.92 | 109,087 |
| Countries That End in BIA | 0 | - | 4.92 | 147,820 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,209 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,602 |
| Countries That End in RIA | 0 | - | 4.93 | 126,175 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 110,136 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 225,602 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,635 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 124,994 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,508 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 73,999 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,238 |
| 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 | 52,947 |
| Countries that End in L | 0 | - | 4.94 | 156,133 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 211,881 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,016 |
| City to Country Quiz #1 | 0 | - | 4.97 | 155,598 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,416 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,501 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 247,819 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 199,551 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 141,221 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 162,594 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 223,951 |
