| Boundary Waters | 0 | - | 4.92 | 88,673 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,332 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,488 |
| Landlocked Countries | 0 | - | 4.99 | 423,856 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,736,118 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,822 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,222 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,716 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 124,734 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,369 |
| Himalayan Countries | 0 | - | 4.94 | 139,542 |
| Andean Countries | 0 | - | 4.94 | 85,069 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,250 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,465 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,811 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,122 |
| Danube Countries | 0 | - | 4.97 | 72,215 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,312 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,629 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,716 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,222 |
| European Landlocked Countries | 0 | - | 4.99 | 147,383 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,985 |
| Countries with the Most Species | 0 | - | 4.99 | 103,425 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,116 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,682 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,793 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,704 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,440 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,854 |
| Countries in the Alps | 0 | - | 4.87 | 118,497 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,088 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,463 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,814 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,816 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,750 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,098 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,925 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,675 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,302 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,019 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,762 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,632 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,391 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,639 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,725 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,385 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,476 |
| Countries that Host the Most Refugees | 0 | - | 4.97 | 65,259 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,365 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,936 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,667 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,382 |
| Largest Countries By Category | 0 | - | 4.97 | 158,551 |
| Countries by Countries | 0 | - | 4.96 | 63,443 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,018 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,350 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,624 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,909 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,267 |
| Western Europe Map Quiz | 0 | - | 4.85 | 93,930 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,662 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,574 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 209,572 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,445 |
| Longest International Borders | 0 | - | 4.99 | 265,531 |
| Countries with Three Borders | 0 | - | 4.96 | 36,692 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,251 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,373 |
| Demonym of Every Country | 0 | - | 4.90 | 61,164 |
| World Capitals Quiz | 0 | - | 5.00 | 5,095,097 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,792,387 |
| Pacific Ocean General Knowledge | 0 | - | 4.70 | 36,355 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 333,284 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,595,405 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,121 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 408,594 |
| Island Countries | 0 | - | 4.99 | 711,782 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,052,507 |
| Northernmost Countries | 0 | - | 4.99 | 363,097 |
| Countries of South America | 0 | - | 5.00 | 930,006 |
| Countries of Oceania | 0 | - | 5.00 | 1,060,332 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,883,492 |
| "Land" Countries | 0 | - | 4.98 | 337,895 |
| Top World Languages | 0 | - | 4.92 | 827,274 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,647 |
| Globe Grid | 0 | - | 4.32 | 32,028 |
| World Map Divided into Regions | 0 | - | 4.19 | 42,068 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 104,784 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,452 |
| Countries with Megacities | 0 | - | 4.99 | 265,892 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,247 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,756 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,502 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,854 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,964 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,891 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,788 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,978 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,908 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,776 |
| Countries by Capital City | 0 | - | 5.00 | 69,058 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,631 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,044 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,624 |
| Moved Capital Cities | 0 | - | 4.96 | 74,518 |
| Countries by Official Language | 0 | - | 4.95 | 195,651 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,127 |
| Countries in their Native Language | 0 | - | 4.99 | 199,427 |
| Independence from Whom | 0 | - | 4.99 | 212,577 |
| Subdivisions by Country | 0 | - | 4.87 | 50,537 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,076 |
| Megadiverse Countries | 0 | - | 4.96 | 135,157 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,449 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,464 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 126,345 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,164 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,377 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,701 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,747 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,471 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,749 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,207 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,098 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 108,273 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,332 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,062 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,478 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,603 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,388,614 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 111,855 |
| World Map Quiz | 0 | - | 4.81 | 65,382 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 158,292 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,532 |
| Countries by Founding Story | 0 | - | 4.95 | 77,539 |
| Southernmost Countries of the World | 0 | - | 4.99 | 228,678 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,690 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,343 |
| Countries With the Most Languages | 0 | - | 4.90 | 202,976 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,205 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,327 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,539 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,588 |
| Tallest Countries North to South | 0 | - | 4.86 | 129,147 |
| Widest Countries East to West | 0 | - | 4.92 | 130,206 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,531 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,028 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,439 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,933 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,812 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,099 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,448 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,854 |
| Countries with Double Letters | 0 | - | 4.96 | 96,692 |
| Countries that End in N | 0 | - | 4.95 | 171,571 |
| Countries with Five Letters | 0 | - | 4.96 | 283,226 |
| Countries with Six Letters | 0 | - | 4.94 | 214,032 |
| Countries with W | 0 | - | 4.96 | 160,647 |
| Countries with Z | 0 | - | 4.98 | 291,979 |
| Countries with Letters Missing | 0 | - | 4.96 | 187,013 |
| Countries That End in U | 0 | - | 4.95 | 121,029 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 134,801 |
| Countries that End in O | 0 | - | 4.92 | 159,675 |
| Countries that End in R | 0 | - | 4.87 | 119,078 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,833 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,475 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,941 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,653 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,581 |
| Countries That End in Y | 0 | - | 4.91 | 186,001 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 198,196 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 153,081 |
| Countries that End in I | 0 | - | 4.94 | 135,218 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 184,386 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,939 |
| Countries That End in NIA | 0 | - | 4.92 | 109,928 |
| Countries That End in BIA | 0 | - | 4.93 | 149,408 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,341 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,632 |
| Countries That End in RIA | 0 | - | 4.93 | 126,944 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 111,222 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 228,121 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,963 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 126,401 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,942 |
| Add A Letter - Make a Country | 0 | - | 4.81 | 74,695 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 53,195 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,495 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,728 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,550 |
| Countries with the Word "And" | 0 | - | 4.99 | 117,524 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 54,211 |
| Countries that End in L | 0 | - | 4.94 | 156,998 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 216,748 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,308 |
| City to Country Quiz #1 | 0 | - | 4.97 | 156,156 |
| City to Country Quiz #3 | 0 | - | 4.88 | 119,088 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 79,133 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 250,126 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 200,925 |
