| Boundary Waters | 0 | - | 4.92 | 88,852 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,472 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,865 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,985,626 |
| Landlocked Countries | 0 | - | 4.99 | 427,439 |
| World Geography on a Map #1 | 0 | - | 4.94 | 74,000 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,195 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,215 |
| World Capitals Quiz | 0 | - | 5.00 | 5,115,202 |
| Sahara Desert Countries | 0 | - | 4.98 | 167,006 |
| Himalayan Countries | 0 | - | 4.93 | 140,907 |
| Andean Countries | 0 | - | 4.94 | 85,844 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,957 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,551 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,498 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,716 |
| Danube Countries | 0 | - | 4.97 | 72,576 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,835 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,995 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,482 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,954 |
| European Landlocked Countries | 0 | - | 4.99 | 147,797 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,566 |
| Countries with the Most Species | 0 | - | 4.99 | 103,657 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,670 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,820 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,962 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,936 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,690 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,148 |
| Countries in the Alps | 0 | - | 4.87 | 119,007 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 103,052 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 108,194 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 79,076 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,195 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,153 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,406 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,622 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 54,013 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,521 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,327 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,966 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,837 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,687 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,942 |
| Countries with the Most Grassland | 0 | - | 4.94 | 78,043 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 120,185 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,751 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 76,611 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,863 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 246,425 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,555 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,629 |
| Largest Countries By Category | 0 | - | 4.97 | 159,125 |
| Countries by Countries | 0 | - | 4.97 | 63,823 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,479 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,452 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,250 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,813,834 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,600 |
| Western Europe Map Quiz | 0 | - | 4.86 | 94,029 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,902 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,661 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 210,463 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,674 |
| Longest International Borders | 0 | - | 4.99 | 266,034 |
| Countries with Three Borders | 0 | - | 4.96 | 36,841 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,435 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,583 |
| Demonym of Every Country | 0 | - | 4.90 | 61,659 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 336,805 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,602,741 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 377,095 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 410,481 |
| Island Countries | 0 | - | 4.99 | 713,082 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,056,411 |
| Northernmost Countries | 0 | - | 4.99 | 364,696 |
| Countries of South America | 0 | - | 5.00 | 934,581 |
| Countries of Oceania | 0 | - | 5.00 | 1,065,845 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,893,725 |
| "Land" Countries | 0 | - | 4.98 | 339,085 |
| Top World Languages | 0 | - | 4.92 | 831,522 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,397,713 |
| Europe Map Quiz | 0 | - | 5.00 | 4,793,913 |
| All Country Flags of the World | 0 | - | 5.00 | 3,726,418 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,785 |
| Pacific Ocean General Knowledge | 0 | - | 4.70 | 36,412 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 105,165 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,456,381 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 383,053 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,560 |
| Countries with Megacities | 0 | - | 4.99 | 267,988 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,211 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,368 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,539 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,472 |
| Biggest Cities in the World | 0 | - | 4.91 | 807,225 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,541 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,592 |
| Most Remote Capital Cities | 0 | - | 4.92 | 54,104 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,369 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,478 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,428 |
| Countries by Capital City | 0 | - | 5.00 | 69,673 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 78,193 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,373 |
| World Capitals by Proximity | 0 | - | 4.91 | 334,527 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,984 |
| Moved Capital Cities | 0 | - | 4.96 | 74,744 |
| Countries by Official Language | 0 | - | 4.95 | 196,269 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 298,006 |
| Countries in their Native Language | 0 | - | 4.99 | 199,988 |
| Independence from Whom | 0 | - | 4.99 | 213,461 |
| Subdivisions by Country | 0 | - | 4.87 | 50,674 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,705 |
| Megadiverse Countries | 0 | - | 4.96 | 149,495 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 133,168 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,588 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,825 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,265 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 164,509 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,935 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,318 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,639 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 96,187 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,291 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,831 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 108,504 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,518 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,230 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,652 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 71,986 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 112,803 |
| World Map Quiz | 0 | - | 4.81 | 65,951 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 160,023 |
| Smallest Countries with at Least One Border | 0 | - | 4.88 | 107,834 |
| Southernmost Countries of the World | 0 | - | 4.99 | 229,564 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 106,259 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,728 |
| Countries With the Most Languages | 0 | - | 4.90 | 203,993 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,579 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,695 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,873 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,775 |
| Tallest Countries North to South | 0 | - | 4.85 | 130,974 |
| Widest Countries East to West | 0 | - | 4.92 | 130,882 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,634 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,430 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,573 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 95,174 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 149,138 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,629 |
| Countries by Contribution to UN Budget | 0 | - | 4.88 | 77,543 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,928 |
| Countries with Double Letters | 0 | - | 4.96 | 97,707 |
| Countries that End in N | 0 | - | 4.95 | 172,703 |
| Countries with Five Letters | 0 | - | 4.96 | 284,739 |
| Countries with Six Letters | 0 | - | 4.94 | 215,027 |
| Countries with W | 0 | - | 4.96 | 161,364 |
| Countries with Z | 0 | - | 4.98 | 293,095 |
| Countries with Letters Missing | 0 | - | 4.96 | 187,737 |
| Countries That End in U | 0 | - | 4.95 | 121,423 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 135,482 |
| Countries that End in O | 0 | - | 4.92 | 160,395 |
| Countries that End in R | 0 | - | 4.87 | 119,300 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 156,074 |
| Countries Ending in "IA" | 0 | - | 4.99 | 210,203 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 187,044 |
| Countries by Last Two Letters | 0 | - | 4.85 | 136,257 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 143,915 |
| Countries That End in Y | 0 | - | 4.91 | 186,190 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 199,430 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 153,455 |
| Countries that End in I | 0 | - | 4.94 | 135,441 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 185,378 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 96,160 |
| Countries That End in NIA | 0 | - | 4.92 | 110,173 |
| Countries That End in BIA | 0 | - | 4.93 | 149,766 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,965 |
| Countries Whose Names Start with Saint | 0 | - | 4.88 | 119,925 |
| Countries That End in RIA | 0 | - | 4.93 | 127,174 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 111,564 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 229,006 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 134,428 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 126,891 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 92,449 |
| Add A Letter - Make a Country | 0 | - | 4.81 | 74,938 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 53,481 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,616 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 126,081 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,754 |
| Countries with the Word "And" | 0 | - | 4.99 | 117,937 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 54,650 |
| Countries that End in L | 0 | - | 4.94 | 157,272 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 218,684 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,384 |
| City to Country Quiz #1 | 0 | - | 4.96 | 157,904 |
| City to Country Quiz #3 | 0 | - | 4.88 | 120,170 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 79,556 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 250,703 |
