| Boundary Waters | 0 | - | 4.93 | 81,576 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 75,774 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.83 | 30,572 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 329,936 |
| World Geography on a Map #1 | 0 | - | 4.93 | 67,870 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 138,626 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.95 | 110,689 |
| Countries of the World Quiz | 0 | - | 5.00 | 41,383,568 |
| Members of the Arab League | 0 | - | 4.85 | 64,596 |
| Sahara Desert Countries | 0 | - | 4.97 | 128,923 |
| Himalayan Countries | 0 | - | 4.95 | 106,869 |
| Andean Countries | 0 | - | 4.91 | 59,428 |
| Countries with the Oldest Median Age | 0 | - | 4.84 | 60,495 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 50,267 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 103,628 |
| Coffee Producing Countries | 0 | - | 4.82 | 54,537 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 53,837 |
| Danube Countries | 0 | - | 4.96 | 56,987 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 92,007 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 65,112 |
| Countries with the Best Passports | 0 | - | 4.87 | 72,044 |
| Countries with the Worst Passports | 0 | - | 4.88 | 49,942 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 110,230 |
| European Landlocked Countries | 0 | - | 4.99 | 136,467 |
| Partially Recognized Countries | 0 | - | 4.98 | 90,356 |
| Countries with the Most Species | 0 | - | 4.99 | 89,702 |
| Countries 197 to 205 | 0 | - | 4.87 | 56,858 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 44,882 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 44,175 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 48,705 |
| Countries that Use the Peso | 0 | - | 4.82 | 46,663 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.88 | 58,936 |
| Countries with a AAA Credit Rating | 0 | - | 4.87 | 49,550 |
| Countries in the Alps | 0 | - | 4.84 | 103,315 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 85,932 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 88,387 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 71,962 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 79,016 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 94,483 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 87,993 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 90,151 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 46,497 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 45,530 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 55,088 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 69,841 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 48,813 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 36,865 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 96,194 |
| Arctic Ocean Countries | 0 | - | 4.93 | 72,354 |
| Countries with the Most Grassland | 0 | - | 4.94 | 69,924 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 99,412 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 61,677 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 53,745 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 199,496 |
| World Countries - Blind Typing | 0 | - | 5.00 | 74,154 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 42,582 |
| Largest Countries By Category | 0 | - | 4.97 | 145,751 |
| Countries by Countries | 0 | - | 4.96 | 55,149 |
| Country Flags with the Most White | 0 | - | 4.90 | 125,419 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 58,979 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 78,968 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 135,350 |
| Western Europe Map Quiz | 0 | - | 4.86 | 89,373 |
| Tourist Attraction by Negative Review | 0 | - | 4.91 | 60,156 |
| Who Controls It? #1 | 0 | - | 4.84 | 45,695 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 182,292 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 111,523 |
| Longest International Borders | 0 | - | 4.99 | 235,328 |
| Countries with Three Borders | 0 | - | 4.96 | 31,797 |
| Country Connect by Northernmost Point | 0 | - | 4.97 | 36,411 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 40,796 |
| Demonym of Every Country | 0 | - | 4.90 | 50,241 |
| Pacific Ocean General Knowledge | 0 | - | 4.59 | 26,828 |
| Largest Deserts in the World | 0 | - | 4.03 | 41,447 |
| World Map Divided into Regions | 0 | - | 4.18 | 35,937 |
| World Capitals Quiz | 0 | - | 5.00 | 4,537,230 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,125,550 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,194,475 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,396,499 |
| Spanish-Speaking Countries | 0 | - | 4.94 | 343,073 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 359,265 |
| Island Countries Quiz | 0 | - | 4.99 | 664,929 |
| Biggest Countries by Area | 0 | - | 5.00 | 940,562 |
| Northernmost Countries | 0 | - | 4.99 | 329,366 |
| Countries of South America | 0 | - | 5.00 | 802,546 |
| Countries of Oceania | 0 | - | 5.00 | 904,501 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,593,422 |
| Top World Languages | 0 | - | 4.92 | 716,315 |
| Analogies of Countries #1 | 0 | - | 4.88 | 62,667 |
| Globe Grid | 0 | - | 4.28 | 31,423 |
| Five Letter Geography #4 | 0 | - | 4.83 | 67,274 |
| Places With a Cardinal Direction in Their Name | 0 | - | 4.15 | 15,423 |
| Name a Valid Answer - Geography | 0 | - | 4.92 | 78,246 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 127,646 |
| Countries with Megacities | 0 | - | 4.99 | 199,851 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 173,443 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 99,015 |
| Countries With More than 200 Million People | 0 | - | 4.94 | 97,025 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 64,985 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 250,651 |
| Global Cities on a World Map | 0 | - | 4.92 | 92,073 |
| Northernmost Capital Cities | 0 | - | 4.98 | 95,096 |
| Most Remote Capital Cities | 0 | - | 4.90 | 44,315 |
| Capital Cities: Ports and Saints | 0 | - | 4.94 | 35,058 |
| Capitals with the Shortest Names | 0 | - | 4.96 | 92,145 |
| Same Letter Country and Capital | 0 | - | 4.99 | 128,831 |
| Countries by Capital City | 0 | - | 4.99 | 50,492 |
| Capital Cities Based on First Two Letters | 0 | - | 4.84 | 66,574 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 105,682 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 73,738 |
| Moved Capital Cities | 0 | - | 4.96 | 67,503 |
| Countries by Official Language | 0 | - | 4.96 | 174,199 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.92 | 251,307 |
| Countries in their Native Language | 0 | - | 4.98 | 179,414 |
| Independence from Whom | 0 | - | 4.99 | 187,594 |
| Subdivisions by Country | 0 | - | 4.82 | 46,700 |
| Who Controlled These Colonies? | 0 | - | 4.89 | 114,621 |
| Megadiverse Countries | 0 | - | 4.96 | 126,176 |
| Countries With the Most English Speakers | 0 | - | 4.87 | 92,520 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 107,143 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.83 | 47,637 |
| 15 Biggest Island Countries | 0 | - | 4.99 | 132,375 |
| Most Recently-Settled Countries | 0 | - | 4.92 | 49,516 |
| Countries of the World in 1938 Quiz | 0 | - | 4.96 | 78,830 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.95 | 145,690 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 77,400 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 41,677 |
| Countries by Sports League Revenue | 0 | - | 4.88 | 44,486 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 101,954 |
| Countries Furthest from the United States | 0 | - | 4.94 | 72,590 |
| Countries with the Highest HDI | 0 | - | 4.95 | 131,152 |
| Straight Shot to the Arctic Circle | 0 | - | 4.92 | 69,026 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 65,655 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 84,455 |
| World Map Quiz | 0 | - | 4.91 | 50,479 |
| Smallest Countries with at Least One Border | 0 | - | 4.89 | 82,169 |
| Southernmost Countries of the World | 0 | - | 4.99 | 208,557 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 91,919 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.90 | 109,162 |
| Countries With the Most Languages | 0 | - | 4.91 | 175,804 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.93 | 88,075 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.86 | 72,448 |
| Countries with the Most Prisoners | 0 | - | 4.93 | 87,511 |
| Countries with the Most Domestic Camels | 0 | - | 4.93 | 54,577 |
| Tallest Countries North to South | 0 | - | 4.85 | 111,063 |
| Widest Countries East to West | 0 | - | 4.93 | 120,021 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 68,996 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 159,835 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 93,000 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 86,159 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 120,036 |
| Countries with the Most Desert | 0 | - | 4.92 | 105,761 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 66,635 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 32,253 |
| Countries with Double Letters | 0 | - | 4.96 | 70,013 |
| Countries that End in N | 0 | - | 4.94 | 134,232 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 231,592 |
| Countries with Six Letters Quiz | 0 | - | 4.94 | 188,957 |
| Countries with W | 0 | - | 4.96 | 124,194 |
| Countries with Z | 0 | - | 4.98 | 246,263 |
| Countries with Letters Missing | 0 | - | 4.97 | 168,427 |
| Countries That End in U | 0 | - | 4.95 | 108,329 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 90,829 |
| Countries that End in O | 0 | - | 4.92 | 147,553 |
| Countries that End in R | 0 | - | 4.84 | 96,850 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 147,666 |
| Countries Ending in "IA" | 0 | - | 4.99 | 172,737 |
| Countries by First and Last Letter #1 | 0 | - | 4.98 | 156,936 |
| Countries by Last Two Letters | 0 | - | 4.90 | 117,132 |
| Countries by First and Last Letter #2 | 0 | - | 4.94 | 130,070 |
| Countries That End in Y | 0 | - | 4.90 | 162,012 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 162,091 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.91 | 121,570 |
| Countries that End in I | 0 | - | 4.92 | 114,860 |
| Countries Based on First Two Letters #2 | 0 | - | 4.98 | 150,633 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 88,964 |
| Countries That End in NIA | 0 | - | 4.93 | 101,384 |
| Countries That End in BIA | 0 | - | 4.91 | 126,756 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 154,298 |
| Countries Whose Names Start with Saint | 0 | - | 4.88 | 110,411 |
| Countries That End in RIA | 0 | - | 4.90 | 101,489 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 101,131 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 203,004 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 120,760 |
| Divided Country Name Puzzle #3 | 0 | - | 4.93 | 111,794 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 4.99 | 78,417 |
| Countries with a Unique Last Letter | 0 | - | 4.91 | 93,233 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 97,475 |
| Countries that are Free from U.S.A. | 0 | - | 4.90 | 43,299 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 41,659 |
| Countries that End in L | 0 | - | 4.95 | 135,266 |
| "Land" Countries | 0 | - | 4.98 | 291,284 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 190,451 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.96 | 65,304 |
| City to Country Quiz #1 | 0 | - | 4.94 | 134,861 |
| City to Country Quiz #3 | 0 | - | 4.86 | 100,672 |
| 45 European Countries, 45 Cities | 0 | - | 4.94 | 72,174 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 209,813 |
| Five Poorest Countries by Continent | 0 | - | 4.95 | 168,883 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 117,220 |
