| Landmarks of Countries #1 | 0 | - | 4.88 | 107,965 |
| Boundary Waters | 0 | - | 4.92 | 88,639 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,310 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,410 |
| Landlocked Countries | 0 | - | 4.99 | 423,179 |
| Landmarks of Countries #2 | 0 | - | 4.51 | 54,294 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,677,127 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,776 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,151 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,597 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,613 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,076 |
| Himalayan Countries | 0 | - | 4.94 | 139,253 |
| Andean Countries | 0 | - | 4.93 | 84,906 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,125 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,273 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,700 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,021 |
| Danube Countries | 0 | - | 4.97 | 72,148 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,208 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,558 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,564 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,077 |
| European Landlocked Countries | 0 | - | 4.99 | 147,296 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,859 |
| Countries with the Most Species | 0 | - | 4.99 | 103,357 |
| Countries 197 to 205 | 0 | - | 4.90 | 70,991 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,652 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,773 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,631 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,379 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,801 |
| Countries in the Alps | 0 | - | 4.87 | 118,387 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,821 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,314 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,765 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,732 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,649 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,052 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,834 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,617 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,253 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,975 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,728 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,600 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,338 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,580 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,649 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,201 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,420 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 64,867 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,268 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,569 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,466 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,323 |
| Largest Countries By Category | 0 | - | 4.97 | 158,428 |
| Countries by Countries | 0 | - | 4.96 | 63,372 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,874 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,329 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,596 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,810 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,820 |
| Western Europe Map Quiz | 0 | - | 4.85 | 93,900 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,602 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,546 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 209,337 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,387 |
| Longest International Borders | 0 | - | 4.99 | 265,413 |
| Countries with Three Borders | 0 | - | 4.96 | 36,667 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,199 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,315 |
| Demonym of Every Country | 0 | - | 4.90 | 60,977 |
| World Capitals Quiz | 0 | - | 5.00 | 5,090,617 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,787,090 |
| Pacific Ocean General Knowledge | 0 | - | 4.70 | 36,350 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 332,652 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,593,581 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,888 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 408,103 |
| Island Countries | 0 | - | 4.99 | 711,480 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,051,406 |
| Northernmost Countries | 0 | - | 4.99 | 362,579 |
| Countries of South America | 0 | - | 5.00 | 929,026 |
| Countries of Oceania | 0 | - | 5.00 | 1,058,994 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,881,057 |
| "Land" Countries | 0 | - | 4.98 | 337,678 |
| Top World Languages | 0 | - | 4.92 | 826,158 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,616 |
| Globe Grid | 0 | - | 4.32 | 32,024 |
| World Map Divided into Regions | 0 | - | 4.19 | 42,011 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 104,692 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,261 |
| Countries with Megacities | 0 | - | 4.99 | 265,426 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,087 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,664 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,324 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,732 |
| Cities by Landmark #1 | 0 | - | 3.95 | 44,969 |
| Cities by Landmark #2 | 0 | - | 3.92 | 35,359 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,805 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,770 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,696 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,876 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,756 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,595 |
| Countries by Capital City | 0 | - | 5.00 | 68,875 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,519 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,954 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,535 |
| Moved Capital Cities | 0 | - | 4.96 | 74,446 |
| Countries by Official Language | 0 | - | 4.95 | 195,500 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,722 |
| Countries in their Native Language | 0 | - | 4.99 | 199,283 |
| Independence from Whom | 0 | - | 4.99 | 212,372 |
| Subdivisions by Country | 0 | - | 4.87 | 50,493 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,944 |
| Megadiverse Countries | 0 | - | 4.96 | 135,105 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,308 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,425 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,303 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,144 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,289 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,667 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,638 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,425 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,715 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,187 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 77,946 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,283 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,020 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,444 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,557 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,386,706 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 111,588 |
| World Map Quiz | 0 | - | 4.81 | 65,269 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 157,892 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,467 |
| Southernmost Countries of the World | 0 | - | 4.99 | 228,339 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,427 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,138 |
| Countries With the Most Languages | 0 | - | 4.90 | 202,635 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 111,036 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,144 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,411 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,505 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,664 |
| Widest Countries East to West | 0 | - | 4.92 | 129,766 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,483 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,667 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,396 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,857 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,722 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,988 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,422 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,824 |
| Countries with Double Letters | 0 | - | 4.96 | 96,512 |
| Countries that End in N | 0 | - | 4.95 | 171,418 |
| Countries with Five Letters | 0 | - | 4.96 | 282,971 |
| Countries with Six Letters | 0 | - | 4.94 | 213,842 |
| Countries with W | 0 | - | 4.96 | 160,538 |
| Countries with Z | 0 | - | 4.98 | 291,766 |
| Countries with Letters Missing | 0 | - | 4.96 | 186,889 |
| Countries That End in U | 0 | - | 4.95 | 120,964 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 134,664 |
| Countries that End in O | 0 | - | 4.92 | 159,611 |
| Countries that End in R | 0 | - | 4.87 | 119,038 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,797 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,343 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,843 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,592 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,505 |
| Countries That End in Y | 0 | - | 4.91 | 185,950 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 198,079 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 153,004 |
| Countries that End in I | 0 | - | 4.94 | 135,175 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 184,266 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,890 |
| Countries That End in NIA | 0 | - | 4.92 | 109,862 |
| Countries That End in BIA | 0 | - | 4.93 | 149,323 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,237 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,540 |
| Countries That End in RIA | 0 | - | 4.93 | 126,895 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 111,136 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 227,926 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,866 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 126,297 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,852 |
| Add A Letter - Make a Country | 0 | - | 4.81 | 74,648 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 53,132 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,471 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,636 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,510 |
| Countries with the Word "And" | 0 | - | 4.99 | 117,430 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 54,127 |
| Countries that End in L | 0 | - | 4.94 | 156,932 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 216,349 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,292 |
| City to Country Quiz #1 | 0 | - | 4.97 | 156,106 |
| City to Country Quiz #3 | 0 | - | 4.88 | 119,036 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 79,081 |
