| Countries with the Most Borders | 0 | - | 4.97 | 388,362 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,595 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,409 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,863 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,118 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,294 |
| Countries with the Shortest Total Borders | 0 | - | 4.94 | 103,828 |
| Bordering Countries Beginning With the Same Letter | 0 | - | 4.99 | 139,582 |
| Bordering Countries by HDI Difference | 0 | - | 4.88 | 51,916 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,919 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,168 |
| One Border Countries | 0 | - | 4.98 | 468,460 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,398 |
| Bordering Countries by Clue #1 | 0 | - | 4.97 | 83,060 |
| Bordering Countries by Clue #2 | 0 | - | 4.95 | 87,348 |
| Walking Across Borders with Hints #1 | 0 | - | 4.95 | 108,942 |
| Walking Across Borders with Hints #2 | 0 | - | 4.97 | 87,559 |
| Random Countries by Borders | 0 | - | 4.99 | 82,410 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,621,603 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,436,202 |
| Countries of the World in 1900 | 0 | - | 4.89 | 84,849 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 195,160 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 150,764 |
| Countries by Borders #1 | 0 | - | 5.00 | 194,451 |
| Countries with the Longest Total Borders | 0 | - | 4.99 | 312,627 |
| Longest Border by Country #1 | 0 | - | 4.99 | 146,283 |
| Largest Countries with No Borders | 0 | - | 4.97 | 221,363 |
| Countries with Two Borders | 0 | - | 4.99 | 149,786 |
| Countries by Borders #2 | 0 | - | 4.96 | 136,325 |
| Landlocked Countries that Border Each Other | 0 | - | 5.00 | 141,008 |
| Big Countries Bordering Small Countries | 0 | - | 4.99 | 130,895 |
| Largest Countries Bordering Each Other | 0 | - | 4.99 | 115,332 |
| Biggest Countries Bordering the Pacific Ocean | 0 | - | 4.92 | 93,593 |
| Countries by Borders #3 | 0 | - | 4.98 | 98,064 |
| Bordering Countries Forming Words #1 | 0 | - | 4.92 | 75,745 |
| Bordering Countries Forming Words #2 | 0 | - | 4.97 | 32,738 |
| Longest Border by Country #2 | 0 | - | 4.95 | 121,138 |
| Longest Border by Country #3 | 0 | - | 4.99 | 79,575 |
| Landlocked Countries | 0 | - | 4.99 | 420,173 |
| Pixelated World Map | 0 | - | 5.00 | 143,364 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 99,709 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.83 | 57,416 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,765,694 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,552 |
| Himalayan Countries | 0 | - | 4.95 | 137,965 |
| Andean Countries | 0 | - | 4.95 | 84,200 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,421 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,125 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,059 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,507 |
| Danube Countries | 0 | - | 4.97 | 71,788 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,730 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,182 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,909 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,138 |
| European Landlocked Countries | 0 | - | 4.99 | 146,925 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,321 |
| Countries with the Most Species | 0 | - | 4.99 | 103,061 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,489 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,483 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,644 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,419 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,098 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,484 |
| Countries in the Alps | 0 | - | 4.87 | 117,916 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 98,594 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,641 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,523 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,418 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,261 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,816 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,435 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,310 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,057 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,676 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,550 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,400 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,037 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,325 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,334 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,470 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,147 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,663 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,763 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,013 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,586 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,079 |
| Largest Countries By Category | 0 | - | 4.97 | 157,869 |
| Countries by Countries | 0 | - | 4.97 | 62,979 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,423 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,201 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,503 |
| All Countries by Population With a Map | 0 | - | 4.98 | 108,978 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,778 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,473 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 330,044 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,963 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 406,065 |
| Island Countries | 0 | - | 4.99 | 710,267 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,047,533 |
| Northernmost Countries | 0 | - | 4.99 | 361,100 |
| Countries of South America | 0 | - | 5.00 | 924,689 |
| Countries of Oceania | 0 | - | 5.00 | 1,053,578 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,870,978 |
| "Land" Countries | 0 | - | 4.98 | 336,120 |
| Which Country Does Not Border... | 0 | - | 4.78 | 93,547 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,549 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,378,906 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,066 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.98 | 68,737 |
| European Countries with One Border | 0 | - | 4.97 | 182,748 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,544 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,389 |
| Countries with Megacities | 0 | - | 4.99 | 263,081 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,232 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,199 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,524 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,237 |
| Countries by Official Language | 0 | - | 4.95 | 194,882 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,865 |
| Countries in their Native Language | 0 | - | 4.99 | 198,416 |
| Independence from Whom | 0 | - | 4.99 | 211,653 |
| Subdivisions by Country | 0 | - | 4.86 | 50,345 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,937 |
| Megadiverse Countries | 0 | - | 4.96 | 134,853 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,751 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,243 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,829 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,054 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,873 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,461 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,179 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,552 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,031 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,299 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,783 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,075 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,853 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,238 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,406 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,473 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,581 |
| World Map Quiz | 0 | - | 4.81 | 64,813 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 137,845 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 156,255 |
| Countries within the Arctic Circle - Map Quiz | 0 | - | 4.85 | 63,914 |
| Countries by Founding Story | 0 | - | 4.95 | 77,190 |
| Countries by Road Signs | 0 | - | 4.98 | 53,787 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,736 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 105,066 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,792 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,703 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,676 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,809 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,947 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,340 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,410 |
| Widest Countries East to West | 0 | - | 4.92 | 129,478 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,412 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,127 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,049 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,620 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,385 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,677 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,301 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,758 |
| Countries with Double Letters | 0 | - | 4.97 | 95,338 |
| Countries that End in N | 0 | - | 4.95 | 170,377 |
| Countries with Five Letters | 0 | - | 4.96 | 281,242 |
| Countries with Six Letters | 0 | - | 4.94 | 212,786 |
| Countries with W | 0 | - | 4.97 | 159,694 |
| Countries with Z | 0 | - | 4.98 | 290,594 |
| Countries with Letters Missing | 0 | - | 4.96 | 185,964 |
| Countries That End in U | 0 | - | 4.95 | 120,510 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,977 |
| Countries that End in O | 0 | - | 4.92 | 159,281 |
| Countries that End in R | 0 | - | 4.87 | 118,801 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,566 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,580 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,309 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,205 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,815 |
| Countries That End in Y | 0 | - | 4.91 | 185,713 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,507 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,587 |
| Countries that End in I | 0 | - | 4.94 | 134,938 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 183,700 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,659 |
| Countries That End in NIA | 0 | - | 4.92 | 109,614 |
| Countries That End in BIA | 0 | - | 4.93 | 148,968 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,869 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,194 |
| Countries That End in RIA | 0 | - | 4.93 | 126,628 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,763 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 227,052 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,396 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,789 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,318 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,407 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,784 |
