| 20 Countries on an Empty Map #1 | 0 | - | 4.94 | 62,972 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 112,857 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 160,105 |
| Countries within the Arctic Circle - Map Quiz | 0 | - | 4.84 | 64,788 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,855,028 |
| Countries of the World in 1900 | 0 | - | 4.89 | 86,248 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 197,189 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 152,582 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,998,126 |
| Landlocked Countries | 0 | - | 4.99 | 427,607 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 592,922 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,814,912 |
| Sahara Desert Countries | 0 | - | 4.98 | 167,086 |
| Himalayan Countries | 0 | - | 4.93 | 140,970 |
| Andean Countries | 0 | - | 4.94 | 85,876 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,988 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,598 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,533 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,741 |
| Danube Countries | 0 | - | 4.97 | 72,598 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,856 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 87,007 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,511 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,985 |
| European Landlocked Countries | 0 | - | 4.99 | 147,809 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,589 |
| Countries with the Most Species | 0 | - | 4.99 | 103,666 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,694 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,827 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,967 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,948 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,700 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,163 |
| Countries in the Alps | 0 | - | 4.87 | 119,030 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 103,096 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 108,236 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 79,086 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,212 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,178 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,419 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,633 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 54,029 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,529 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,346 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,972 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,849 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,699 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,952 |
| Countries with the Most Grassland | 0 | - | 4.94 | 78,053 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 120,223 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,763 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 76,713 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,884 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 246,495 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,607 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,635 |
| Largest Countries By Category | 0 | - | 4.97 | 159,154 |
| Countries by Countries | 0 | - | 4.97 | 63,842 |
| Pixelated World Map | 0 | - | 5.00 | 144,599 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,505 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,456 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,716 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 100,831 |
| Countries of the World in 1444 | 0 | - | 4.98 | 60,883 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.83 | 58,009 |
| All Countries by Population With a Map | 0 | - | 4.98 | 111,594 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,593 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,272 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 82,963 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 313,301 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 244,953 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 231,960 |
| Countries of the World with an Empty Map - Hard Version | 0 | - | 5.00 | 307,066 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 336,933 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 377,141 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 410,574 |
| Island Countries | 0 | - | 4.99 | 713,145 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,056,595 |
| Northernmost Countries | 0 | - | 4.99 | 364,781 |
| Countries of South America | 0 | - | 5.00 | 934,787 |
| Countries of Oceania | 0 | - | 5.00 | 1,066,075 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,894,299 |
| "Land" Countries | 0 | - | 4.98 | 339,142 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,641 |
| 20 Random Countries on an Empty World Map | 0 | - | 4.98 | 125,666 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,616 |
| Countries with Megacities | 0 | - | 4.99 | 268,095 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,264 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,395 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,601 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,498 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,565 |
| Countries by Official Language | 0 | - | 4.95 | 196,303 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 298,056 |
| Countries in their Native Language | 0 | - | 4.99 | 200,016 |
| Independence from Whom | 0 | - | 4.99 | 213,501 |
| Subdivisions by Country | 0 | - | 4.87 | 50,680 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,737 |
| Megadiverse Countries | 0 | - | 4.96 | 149,661 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 133,201 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,592 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,839 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,270 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 164,527 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,948 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,359 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,648 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 96,197 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,297 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,866 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 108,513 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,526 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,241 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,664 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 72,001 |
| World Map Quiz | 0 | - | 4.81 | 65,970 |
| Smallest Countries with at Least One Border | 0 | - | 4.88 | 107,851 |
| Countries by Founding Story | 0 | - | 4.95 | 77,935 |
| Countries by Road Signs | 0 | - | 4.98 | 54,482 |
| Countries That Do Not Border | 0 | - | 4.99 | 61,017 |
| Southernmost Countries of the World | 0 | - | 4.99 | 229,602 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 106,279 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,750 |
| Countries With the Most Languages | 0 | - | 4.90 | 204,030 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,603 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,717 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,895 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,782 |
| Tallest Countries North to South | 0 | - | 4.85 | 131,002 |
| Widest Countries East to West | 0 | - | 4.92 | 130,895 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,637 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,457 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,583 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 95,186 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 149,348 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,643 |
| Countries by Contribution to UN Budget | 0 | - | 4.88 | 77,547 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,933 |
| Countries With the Tallest People | 0 | - | 4.93 | 95,275 |
| Countries with Double Letters | 0 | - | 4.96 | 97,746 |
| Countries that End in N | 0 | - | 4.95 | 172,748 |
| Countries with Five Letters | 0 | - | 4.96 | 284,804 |
| Countries with Six Letters | 0 | - | 4.94 | 215,082 |
| Countries with W | 0 | - | 4.96 | 161,401 |
| Countries with Z | 0 | - | 4.98 | 293,145 |
| Countries with Letters Missing | 0 | - | 4.96 | 187,771 |
| Countries That End in U | 0 | - | 4.95 | 121,447 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 135,523 |
| Countries that End in O | 0 | - | 4.92 | 160,418 |
| Countries that End in R | 0 | - | 4.87 | 119,311 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 156,083 |
| Countries Ending in "IA" | 0 | - | 4.99 | 210,236 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 187,426 |
| Countries by Last Two Letters | 0 | - | 4.85 | 136,279 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 143,950 |
| Countries That End in Y | 0 | - | 4.91 | 186,198 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 199,485 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 153,468 |
| Countries that End in I | 0 | - | 4.94 | 135,458 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 185,428 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 96,176 |
| Countries That End in NIA | 0 | - | 4.92 | 110,188 |
| Countries That End in BIA | 0 | - | 4.93 | 149,783 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,992 |
| Countries Whose Names Start with Saint | 0 | - | 4.88 | 119,937 |
| Countries That End in RIA | 0 | - | 4.93 | 127,189 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 111,583 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 229,048 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 134,445 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 126,911 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 92,471 |
| Add A Letter - Make a Country | 0 | - | 4.81 | 74,946 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 53,506 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,620 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 126,102 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,760 |
| Countries with the Word "And" | 0 | - | 4.99 | 117,956 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 54,671 |
| Countries that End in L | 0 | - | 4.94 | 157,287 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 218,760 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,390 |
| City to Country Quiz #1 | 0 | - | 4.96 | 157,912 |
| City to Country Quiz #3 | 0 | - | 4.88 | 120,180 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 79,566 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 250,732 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 201,364 |
| Five Least Populated Countries by Continent | 0 | - | 4.95 | 143,560 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 164,459 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 226,249 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 153,353 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 71,308 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.81 | 108,980 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,890 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 63,387 |
| ALL First-Level Subdivisions of the World With a Map | 0 | - | 5.00 | 150,276 |
| All First-Level Subdivisions of Europe by Proximity | 0 | - | 4.86 | 77,914 |
| Top World Languages on a Map | 0 | - | 4.94 | 104,156 |
| Official Languages of the World on the Disappearing World Map | 0 | - | 4.99 | 117,876 |
| 407 Islands on the World Map | 0 | - | 4.99 | 35,761 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 47,246 |
