| "Land" Countries | 0 | - | 4.98 | 335,706 |
| Countries with Double Letters | 0 | - | 4.97 | 95,029 |
| Countries that End in N | 0 | - | 4.95 | 169,870 |
| Countries with Five Letters | 0 | - | 4.96 | 279,761 |
| Countries with Six Letters | 0 | - | 4.94 | 212,408 |
| Countries with W | 0 | - | 4.97 | 159,486 |
| Countries with Z | 0 | - | 4.98 | 289,726 |
| Countries with Letters Missing | 0 | - | 4.96 | 185,680 |
| Countries That End in U | 0 | - | 4.95 | 120,386 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,701 |
| Countries that End in O | 0 | - | 4.92 | 159,176 |
| Countries that End in R | 0 | - | 4.87 | 118,721 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,497 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,256 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,070 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,060 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,643 |
| Countries That End in Y | 0 | - | 4.90 | 185,633 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,181 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,381 |
| Countries that End in I | 0 | - | 4.94 | 134,846 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 183,033 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,556 |
| Countries That End in NIA | 0 | - | 4.92 | 109,496 |
| Countries That End in BIA | 0 | - | 4.93 | 148,812 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,675 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,023 |
| Countries That End in RIA | 0 | - | 4.93 | 126,508 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,596 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 226,596 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,173 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,523 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,073 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,295 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,650 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,205 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,084 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,178 |
| Countries with the Word "And" | 0 | - | 4.99 | 116,788 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 53,498 |
| Countries that End in L | 0 | - | 4.94 | 156,524 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 213,869 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,148 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,918 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,821,373 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,613,356 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,309,520 |
| Countries of the World in 1900 | 0 | - | 4.89 | 84,524 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 194,660 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 150,318 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 137,160 |
| Countries with Four Letters | 0 | - | 4.99 | 421,414 |
| Landlocked Countries | 0 | - | 4.99 | 418,511 |
| Pixelated World Map | 0 | - | 5.00 | 143,121 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 99,448 |
| Countries of the World in 1444 | 0 | - | 4.98 | 60,085 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.83 | 57,270 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,754,555 |
| Bordering Countries Beginning With the Same Letter | 0 | - | 4.99 | 139,440 |
| Can You Name These 50 Random Countries? | 0 | - | 4.99 | 215,845 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 81,911 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,943 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 243,021 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 229,965 |
| Countries of the World with an Empty Map - Hard Version | 0 | - | 5.00 | 304,501 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,761 |
| Himalayan Countries | 0 | - | 4.94 | 137,225 |
| Andean Countries | 0 | - | 4.95 | 83,831 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,081 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,484 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,759 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,288 |
| Danube Countries | 0 | - | 4.97 | 71,611 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,486 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,010 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,570 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,633 |
| European Landlocked Countries | 0 | - | 4.99 | 146,723 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,066 |
| Countries with the Most Species | 0 | - | 4.99 | 102,863 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,202 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,415 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,573 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,274 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,948 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,325 |
| Countries in the Alps | 0 | - | 4.87 | 117,623 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,090 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,290 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,382 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,938 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,045 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,415 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,230 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,145 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,942 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,516 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,451 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,315 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,890 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,161 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,178 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,110 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,035 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,550 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,471 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,204 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,125 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,968 |
| Largest Countries By Category | 0 | - | 4.97 | 157,569 |
| Countries by Countries | 0 | - | 4.96 | 62,800 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,149 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,148 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,464 |
| All Countries by Population With a Map | 0 | - | 4.98 | 108,394 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,615 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,284 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,658 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,495 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 404,911 |
| Island Countries | 0 | - | 4.99 | 709,599 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,045,666 |
| Northernmost Countries | 0 | - | 4.99 | 360,307 |
| Countries of South America | 0 | - | 5.00 | 922,459 |
| Countries of Oceania | 0 | - | 5.00 | 1,050,408 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,865,338 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,046 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,374,916 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.98 | 68,598 |
| Official Country Names of the World | 0 | - | 4.47 | 22,505 |
| 20 Random Countries on an Empty World Map | 0 | - | 4.98 | 123,797 |
| Countries with J | 0 | - | 4.54 | 184,852 |
| Countries by Consonants | 0 | - | 4.42 | 78,510 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,894 |
| Countries with Megacities | 0 | - | 4.99 | 256,966 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,758 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,917 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,060 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,921 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,133 |
| Countries by Official Language | 0 | - | 4.95 | 194,581 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,453 |
| Countries in their Native Language | 0 | - | 4.99 | 198,122 |
| Independence from Whom | 0 | - | 4.99 | 211,227 |
| Subdivisions by Country | 0 | - | 4.86 | 50,271 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,637 |
| Megadiverse Countries | 0 | - | 4.96 | 134,742 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,494 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,161 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,729 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,006 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,671 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,355 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,914 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,820 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,467 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,972 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,878 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,692 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,966 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,754 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,118 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,305 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,288 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,098 |
| World Map Quiz | 0 | - | 4.81 | 64,457 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 155,433 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,997 |
| Countries within the Arctic Circle - Map Quiz | 0 | - | 4.85 | 63,722 |
| Countries by Founding Story | 0 | - | 4.95 | 77,034 |
| Countries by Road Signs | 0 | - | 4.98 | 53,620 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,429 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,890 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,599 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,249 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,483 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,646 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,796 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,246 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,254 |
| Widest Countries East to West | 0 | - | 4.92 | 129,335 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,376 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,917 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,983 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,487 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,176 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,511 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,221 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,722 |
| Countries With the Tallest People | 0 | - | 4.93 | 94,787 |
| City to Country Quiz #1 | 0 | - | 4.97 | 155,817 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,698 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,750 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 248,717 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 200,120 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 142,580 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 163,069 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 224,565 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 152,552 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 70,938 |
