| All Countries by Northernmost Point on Land | 0 | - | 4.89 | 126,217 |
| 20 Countries on an Empty Map #1 | 0 | - | 4.94 | 62,327 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,391 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 155,925 |
| Countries within the Arctic Circle - Map Quiz | 0 | - | 4.85 | 63,848 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,825,444 |
| Countries of the World in 1900 | 0 | - | 4.89 | 84,742 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 194,976 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 150,606 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,388,450 |
| Landlocked Countries | 0 | - | 4.99 | 419,642 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 569,866 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,761,490 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,288 |
| Himalayan Countries | 0 | - | 4.95 | 137,726 |
| Andean Countries | 0 | - | 4.95 | 84,079 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,319 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,848 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,950 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,433 |
| Danube Countries | 0 | - | 4.97 | 71,731 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,655 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,127 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,776 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,861 |
| European Landlocked Countries | 0 | - | 4.99 | 146,856 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,226 |
| Countries with the Most Species | 0 | - | 4.99 | 102,996 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,386 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,455 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,616 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,363 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,039 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,432 |
| Countries in the Alps | 0 | - | 4.87 | 117,806 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,211 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,521 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,464 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,209 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,185 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,772 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,367 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,257 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,017 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,623 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,521 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,367 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,987 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,255 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,273 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,330 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,111 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,619 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,642 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,696 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,418 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,036 |
| Largest Countries By Category | 0 | - | 4.97 | 157,775 |
| Countries by Countries | 0 | - | 4.96 | 62,918 |
| Pixelated World Map | 0 | - | 5.00 | 143,283 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,320 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,180 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,485 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 99,605 |
| Countries of the World in 1444 | 0 | - | 4.98 | 60,176 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.83 | 57,373 |
| All Countries by Population With a Map | 0 | - | 4.98 | 108,784 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,717 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,400 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 82,057 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 310,235 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 243,262 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 230,178 |
| Countries of the World with an Empty Map - Hard Version | 0 | - | 5.00 | 304,804 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,610 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,801 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 405,643 |
| Island Countries | 0 | - | 4.99 | 710,058 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,046,844 |
| Northernmost Countries | 0 | - | 4.99 | 360,814 |
| Countries of South America | 0 | - | 5.00 | 923,925 |
| Countries of Oceania | 0 | - | 5.00 | 1,052,508 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,868,870 |
| "Land" Countries | 0 | - | 4.98 | 335,968 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,015 |
| 20 Random Countries on an Empty World Map | 0 | - | 4.98 | 124,037 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,229 |
| Countries with Megacities | 0 | - | 4.99 | 262,262 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,070 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,106 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,373 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,148 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,988 |
| Countries by Official Language | 0 | - | 4.95 | 194,779 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,722 |
| Countries in their Native Language | 0 | - | 4.99 | 198,323 |
| Independence from Whom | 0 | - | 4.99 | 211,502 |
| Subdivisions by Country | 0 | - | 4.86 | 50,317 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,841 |
| Megadiverse Countries | 0 | - | 4.96 | 134,817 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,654 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,218 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,792 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,036 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,800 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,426 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,071 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,887 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,527 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,012 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,155 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,756 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,035 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,825 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,194 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,368 |
| World Map Quiz | 0 | - | 4.81 | 64,715 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,107 |
| Countries by Founding Story | 0 | - | 4.95 | 77,130 |
| Countries by Road Signs | 0 | - | 4.98 | 53,723 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,648 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 105,011 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,741 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,559 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,605 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,759 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,894 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,308 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,348 |
| Widest Countries East to West | 0 | - | 4.92 | 129,437 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,404 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,050 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,026 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,572 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,308 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,623 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,273 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,739 |
| Countries With the Tallest People | 0 | - | 4.93 | 94,855 |
| Countries with Double Letters | 0 | - | 4.97 | 95,222 |
| Countries that End in N | 0 | - | 4.95 | 170,216 |
| Countries with Five Letters | 0 | - | 4.96 | 280,909 |
| Countries with Six Letters | 0 | - | 4.94 | 212,657 |
| Countries with W | 0 | - | 4.97 | 159,610 |
| Countries with Z | 0 | - | 4.98 | 290,247 |
| Countries with Letters Missing | 0 | - | 4.96 | 185,852 |
| Countries That End in U | 0 | - | 4.95 | 120,455 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,876 |
| Countries that End in O | 0 | - | 4.92 | 159,243 |
| Countries that End in R | 0 | - | 4.87 | 118,762 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,540 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,461 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,215 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,150 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,748 |
| Countries That End in Y | 0 | - | 4.91 | 185,676 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,384 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,512 |
| Countries that End in I | 0 | - | 4.94 | 134,905 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 183,410 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,616 |
| Countries That End in NIA | 0 | - | 4.92 | 109,561 |
| Countries That End in BIA | 0 | - | 4.93 | 148,909 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,805 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,131 |
| Countries That End in RIA | 0 | - | 4.93 | 126,585 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,714 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 226,901 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,322 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,700 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,231 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,379 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,733 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,305 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,220 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,236 |
| Countries with the Word "And" | 0 | - | 4.99 | 116,911 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 53,633 |
| Countries that End in L | 0 | - | 4.94 | 156,590 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 214,369 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,168 |
| City to Country Quiz #1 | 0 | - | 4.97 | 155,877 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,774 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,821 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 248,918 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 200,283 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 142,713 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 163,221 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 224,713 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 152,639 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 70,984 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,616 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 62,712 |
| ALL First-Level Subdivisions of the World With a Map | 0 | - | 5.00 | 146,767 |
| All First-Level Subdivisions of Europe by Proximity | 0 | - | 4.85 | 76,980 |
| Top World Languages on a Map | 0 | - | 4.93 | 103,048 |
| Official Languages of the World on the Disappearing World Map | 0 | - | 4.99 | 116,439 |
| 407 Islands on the World Map | 0 | - | 4.99 | 35,122 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,655 |
| Smallest Countries with at Least Two Borders | 0 | - | 4.97 | 42,561 |
