| Boundary Waters | 0 | - | 4.92 | 88,345 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,053 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,840 |
| Landlocked Countries | 0 | - | 4.99 | 418,155 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,280,975 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,471 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,551 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,560 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,786 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,598 |
| Himalayan Countries | 0 | - | 4.94 | 137,090 |
| Andean Countries | 0 | - | 4.95 | 83,760 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,005 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,382 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,680 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,248 |
| Danube Countries | 0 | - | 4.97 | 71,577 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,433 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,983 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,506 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,563 |
| European Landlocked Countries | 0 | - | 4.99 | 146,684 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,014 |
| Countries with the Most Species | 0 | - | 4.99 | 102,782 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,153 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,395 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,558 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,256 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,928 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,306 |
| Countries in the Alps | 0 | - | 4.87 | 117,576 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,049 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,224 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,365 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,903 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,016 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,392 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,179 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,124 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,925 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,488 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,441 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,300 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,866 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,128 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,152 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,022 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,005 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,526 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,420 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 241,951 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,050 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,936 |
| Largest Countries By Category | 0 | - | 4.97 | 157,521 |
| Countries by Countries | 0 | - | 4.96 | 62,768 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,106 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,134 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,453 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,255 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,303 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,711 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 82,174 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,376 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 207,912 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,022 |
| Longest International Borders | 0 | - | 4.99 | 264,546 |
| Countries with Three Borders | 0 | - | 4.96 | 36,419 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,873 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,965 |
| Demonym of Every Country | 0 | - | 4.91 | 59,087 |
| World Capitals Quiz | 0 | - | 5.00 | 5,059,464 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,752,071 |
| Pacific Ocean General Knowledge | 0 | - | 4.69 | 36,275 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,292 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,581,466 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,390 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 404,716 |
| Island Countries | 0 | - | 4.99 | 709,423 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,045,211 |
| Northernmost Countries | 0 | - | 4.99 | 360,136 |
| Countries of South America | 0 | - | 5.00 | 921,967 |
| Countries of Oceania | 0 | - | 5.00 | 1,049,828 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,864,044 |
| "Land" Countries | 0 | - | 4.98 | 335,612 |
| Top World Languages | 0 | - | 4.92 | 819,360 |
| Analogies of Countries #1 | 0 | - | 4.88 | 68,316 |
| Globe Grid | 0 | - | 4.32 | 31,976 |
| World Map Divided into Regions | 0 | - | 4.19 | 41,652 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 104,081 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,751 |
| Countries with Megacities | 0 | - | 4.99 | 249,924 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,595 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,831 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,909 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,820 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,749 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,843 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,192 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,209 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,851 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,467 |
| Countries by Capital City | 0 | - | 5.00 | 67,800 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,905 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,398 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,896 |
| Moved Capital Cities | 0 | - | 4.96 | 73,995 |
| Countries by Official Language | 0 | - | 4.95 | 194,493 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,337 |
| Countries in their Native Language | 0 | - | 4.99 | 198,060 |
| Independence from Whom | 0 | - | 4.99 | 211,166 |
| Subdivisions by Country | 0 | - | 4.86 | 50,259 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,589 |
| Megadiverse Countries | 0 | - | 4.96 | 134,718 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,180 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,151 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,710 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,995 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,630 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,328 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,863 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,783 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,453 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,946 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,746 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,670 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,919 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,742 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,080 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,282 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,373,998 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 109,983 |
| World Map Quiz | 0 | - | 4.81 | 64,390 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 155,204 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,954 |
| Countries by Founding Story | 0 | - | 4.95 | 77,003 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,353 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,851 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,566 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,119 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,445 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,622 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,766 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,222 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,224 |
| Widest Countries East to West | 0 | - | 4.92 | 129,300 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,369 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,867 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,974 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,462 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,137 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,481 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,207 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,713 |
| Countries with Double Letters | 0 | - | 4.97 | 94,955 |
| Countries that End in N | 0 | - | 4.95 | 169,647 |
| Countries with Five Letters | 0 | - | 4.96 | 278,988 |
| Countries with Six Letters | 0 | - | 4.94 | 212,307 |
| Countries with W | 0 | - | 4.97 | 159,413 |
| Countries with Z | 0 | - | 4.98 | 289,640 |
| Countries with Letters Missing | 0 | - | 4.96 | 185,626 |
| Countries That End in U | 0 | - | 4.95 | 120,360 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,647 |
| Countries that End in O | 0 | - | 4.92 | 159,150 |
| Countries that End in R | 0 | - | 4.87 | 118,690 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,472 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,197 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,029 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,034 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,613 |
| Countries That End in Y | 0 | - | 4.90 | 185,607 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,129 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,336 |
| Countries that End in I | 0 | - | 4.94 | 134,827 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,977 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,538 |
| Countries That End in NIA | 0 | - | 4.92 | 109,461 |
| Countries That End in BIA | 0 | - | 4.93 | 148,779 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,634 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,992 |
| Countries That End in RIA | 0 | - | 4.93 | 126,470 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,566 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 226,506 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,123 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,462 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,024 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,274 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,618 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,168 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,054 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,162 |
| Countries with the Word "And" | 0 | - | 4.99 | 116,746 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 53,448 |
| Countries that End in L | 0 | - | 4.94 | 156,490 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 213,720 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,143 |
| City to Country Quiz #1 | 0 | - | 4.97 | 155,800 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,672 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,725 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 248,629 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 200,048 |
