| Boundary Waters | 0 | - | 4.92 | 88,868 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,480 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,882 |
| Landlocked Countries | 0 | - | 4.99 | 427,583 |
| Pacific Ocean General Knowledge | 0 | - | 4.70 | 36,414 |
| World Geography on a Map #1 | 0 | - | 4.94 | 74,010 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,217 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,237 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,995,913 |
| Sahara Desert Countries | 0 | - | 4.98 | 167,076 |
| Himalayan Countries | 0 | - | 4.93 | 140,962 |
| Andean Countries | 0 | - | 4.94 | 85,868 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,981 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,592 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,526 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,740 |
| Danube Countries | 0 | - | 4.97 | 72,596 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,851 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 87,005 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,506 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,979 |
| European Landlocked Countries | 0 | - | 4.99 | 147,809 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,586 |
| Countries with the Most Species | 0 | - | 4.99 | 103,663 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,689 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,826 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,967 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,947 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,700 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,159 |
| Countries in the Alps | 0 | - | 4.87 | 119,027 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 103,089 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 108,223 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 79,086 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,210 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,178 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,418 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,630 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 54,026 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,529 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,344 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,970 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,848 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,698 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,952 |
| Countries with the Most Grassland | 0 | - | 4.94 | 78,051 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 120,220 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,761 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 76,695 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,878 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 246,482 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,598 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,635 |
| Largest Countries By Category | 0 | - | 4.97 | 159,153 |
| Countries by Countries | 0 | - | 4.97 | 63,838 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,497 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,456 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,270 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,613 |
| Western Europe Map Quiz | 0 | - | 4.86 | 94,033 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,918 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,667 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 210,504 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,688 |
| Longest International Borders | 0 | - | 4.99 | 266,059 |
| Countries with Three Borders | 0 | - | 4.96 | 36,852 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,444 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,590 |
| Demonym of Every Country | 0 | - | 4.90 | 61,678 |
| Globe Grid | 0 | - | 4.32 | 32,050 |
| World Map Divided into Regions | 0 | - | 4.19 | 42,252 |
| World Capitals Quiz | 0 | - | 5.00 | 5,116,124 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,814,763 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 336,916 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,603,086 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 377,137 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 410,560 |
| Island Countries | 0 | - | 4.99 | 713,129 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,056,564 |
| Northernmost Countries | 0 | - | 4.99 | 364,768 |
| Countries of South America | 0 | - | 5.00 | 934,754 |
| Countries of Oceania | 0 | - | 5.00 | 1,066,039 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,894,198 |
| "Land" Countries | 0 | - | 4.98 | 339,137 |
| Top World Languages | 0 | - | 4.92 | 831,827 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,791 |
| Largest Deserts in the World | 0 | - | 3.98 | 43,861 |
| Places With a Cardinal Direction in Their Name | 0 | - | 4.20 | 16,412 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 105,180 |
| Geography Mad Gab | 0 | - | 4.36 | 27,570 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,607 |
| Countries with Megacities | 0 | - | 4.99 | 268,082 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,257 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,393 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,592 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,492 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,561 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,620 |
| Most Remote Capital Cities | 0 | - | 4.92 | 54,117 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,382 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,502 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,457 |
| Countries by Capital City | 0 | - | 5.00 | 69,700 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 78,217 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,392 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,999 |
| Moved Capital Cities | 0 | - | 4.96 | 74,753 |
| Countries by Official Language | 0 | - | 4.95 | 196,300 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 298,046 |
| Countries in their Native Language | 0 | - | 4.99 | 200,015 |
| Independence from Whom | 0 | - | 4.99 | 213,492 |
| Subdivisions by Country | 0 | - | 4.87 | 50,680 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,732 |
| Megadiverse Countries | 0 | - | 4.96 | 149,628 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 133,198 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,592 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,836 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,269 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 164,521 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,945 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,352 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,646 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 96,196 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,295 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,860 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 108,511 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,524 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,241 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,661 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 71,999 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 112,845 |
| World Map Quiz | 0 | - | 4.81 | 65,969 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 160,090 |
| Smallest Countries with at Least One Border | 0 | - | 4.88 | 107,850 |
| Southernmost Countries of the World | 0 | - | 4.99 | 229,595 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 106,275 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,746 |
| Countries With the Most Languages | 0 | - | 4.90 | 204,022 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,600 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,711 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,891 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,782 |
| Tallest Countries North to South | 0 | - | 4.85 | 130,997 |
| Widest Countries East to West | 0 | - | 4.92 | 130,894 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,637 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,454 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,581 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 95,184 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 149,318 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,642 |
| Countries by Contribution to UN Budget | 0 | - | 4.88 | 77,547 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,932 |
| Countries with Double Letters | 0 | - | 4.96 | 97,738 |
| Countries that End in N | 0 | - | 4.95 | 172,742 |
| Countries with Five Letters | 0 | - | 4.96 | 284,788 |
| Countries with Six Letters | 0 | - | 4.94 | 215,072 |
| Countries with W | 0 | - | 4.96 | 161,399 |
| Countries with Z | 0 | - | 4.98 | 293,140 |
| Countries with Letters Missing | 0 | - | 4.96 | 187,765 |
| Countries That End in U | 0 | - | 4.95 | 121,444 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 135,518 |
| Countries that End in O | 0 | - | 4.92 | 160,415 |
| Countries that End in R | 0 | - | 4.87 | 119,307 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 156,083 |
| Countries Ending in "IA" | 0 | - | 4.99 | 210,234 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 187,361 |
| Countries by Last Two Letters | 0 | - | 4.85 | 136,277 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 143,946 |
| Countries That End in Y | 0 | - | 4.91 | 186,197 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 199,480 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 153,466 |
| Countries that End in I | 0 | - | 4.94 | 135,454 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 185,419 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 96,173 |
| Countries That End in NIA | 0 | - | 4.92 | 110,187 |
| Countries That End in BIA | 0 | - | 4.93 | 149,781 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,986 |
| Countries Whose Names Start with Saint | 0 | - | 4.88 | 119,933 |
| Countries That End in RIA | 0 | - | 4.93 | 127,189 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 111,579 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 229,041 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 134,443 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 126,909 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 92,469 |
| Add A Letter - Make a Country | 0 | - | 4.81 | 74,944 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 53,505 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,618 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 126,099 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,760 |
| Countries with the Word "And" | 0 | - | 4.99 | 117,954 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 54,668 |
| Countries that End in L | 0 | - | 4.94 | 157,283 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 218,748 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,389 |
| City to Country Quiz #1 | 0 | - | 4.96 | 157,910 |
| City to Country Quiz #3 | 0 | - | 4.88 | 120,179 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 79,565 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 250,727 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 201,357 |
| Five Least Populated Countries by Continent | 0 | - | 4.95 | 143,557 |
