| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,415 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,453 |
| One Border Countries | 0 | - | 4.98 | 470,451 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,838,651 |
| Landlocked Countries | 0 | - | 4.99 | 422,996 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,662,626 |
| Countries by Borders #1 | 0 | - | 5.00 | 194,748 |
| Countries with the Longest Total Borders | 0 | - | 4.99 | 313,338 |
| Longest Border by Country #1 | 0 | - | 4.99 | 146,517 |
| Largest Countries with No Borders | 0 | - | 4.97 | 221,871 |
| Countries with Two Borders | 0 | - | 4.99 | 150,160 |
| Countries by Borders #2 | 0 | - | 4.96 | 136,585 |
| Landlocked Countries that Border Each Other | 0 | - | 5.00 | 141,274 |
| Big Countries Bordering Small Countries | 0 | - | 4.99 | 131,388 |
| Largest Countries Bordering Each Other | 0 | - | 4.99 | 115,606 |
| Biggest Countries Bordering the Pacific Ocean | 0 | - | 4.92 | 93,746 |
| Countries by Borders #3 | 0 | - | 4.98 | 98,233 |
| Bordering Countries Forming Words #1 | 0 | - | 4.92 | 75,808 |
| Bordering Countries Forming Words #2 | 0 | - | 4.97 | 32,796 |
| Longest Border by Country #2 | 0 | - | 4.95 | 121,315 |
| Countries with the Most Borders | 0 | - | 4.97 | 389,477 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,016 |
| Himalayan Countries | 0 | - | 4.95 | 139,178 |
| Andean Countries | 0 | - | 4.93 | 84,873 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,090 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,228 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,674 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,978 |
| Danube Countries | 0 | - | 4.97 | 72,132 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,184 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,539 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,528 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,037 |
| European Landlocked Countries | 0 | - | 4.99 | 147,272 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,835 |
| Countries with the Most Species | 0 | - | 4.99 | 103,343 |
| Countries 197 to 205 | 0 | - | 4.90 | 70,960 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,647 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,766 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,616 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,364 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,782 |
| Countries in the Alps | 0 | - | 4.87 | 118,361 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,747 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,280 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,755 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,712 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,632 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,041 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,813 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,605 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,248 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,953 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,720 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,589 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,322 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,562 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,634 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,155 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,400 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 64,735 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,244 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,495 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,421 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,309 |
| Largest Countries By Category | 0 | - | 4.97 | 158,395 |
| Countries by Countries | 0 | - | 4.96 | 63,359 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,840 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,323 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,792 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,785,771 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,750 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,873 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,282 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,440 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,575 |
| Countries with the Shortest Total Borders | 0 | - | 4.94 | 104,135 |
| Bordering Countries Beginning With the Same Letter | 0 | - | 4.99 | 139,874 |
| Bordering Countries by HDI Difference | 0 | - | 4.89 | 52,037 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 82,474 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 332,491 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,834 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 407,980 |
| Island Countries | 0 | - | 4.99 | 711,413 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,051,139 |
| Northernmost Countries | 0 | - | 4.99 | 362,477 |
| Countries of South America | 0 | - | 5.00 | 928,758 |
| Countries of Oceania | 0 | - | 5.00 | 1,058,691 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,880,465 |
| "Land" Countries | 0 | - | 4.98 | 337,629 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,591 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,386,189 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,194 |
| Countries with Megacities | 0 | - | 4.99 | 265,287 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,017 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,631 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,274 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,707 |
| Countries by Official Language | 0 | - | 4.95 | 195,466 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,667 |
| Countries in their Native Language | 0 | - | 4.99 | 199,240 |
| Independence from Whom | 0 | - | 4.99 | 212,329 |
| Subdivisions by Country | 0 | - | 4.87 | 50,483 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,906 |
| Megadiverse Countries | 0 | - | 4.96 | 135,093 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,269 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,412 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,292 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,139 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,266 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,660 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,614 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,705 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,181 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 77,898 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,948 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,268 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,012 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,423 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,543 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 111,524 |
| World Map Quiz | 0 | - | 4.81 | 65,246 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 157,821 |
| Southernmost Countries of the World | 0 | - | 4.99 | 228,304 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,400 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,113 |
| Countries With the Most Languages | 0 | - | 4.90 | 202,559 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 111,011 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,121 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,397 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,494 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,650 |
| Widest Countries East to West | 0 | - | 4.92 | 129,748 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,480 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,510 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,313 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,837 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,697 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,969 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,409 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,821 |
| Countries with Double Letters | 0 | - | 4.96 | 96,473 |
| Countries that End in N | 0 | - | 4.95 | 171,359 |
| Countries with Five Letters | 0 | - | 4.96 | 282,901 |
| Countries with Six Letters | 0 | - | 4.94 | 213,808 |
| Countries with W | 0 | - | 4.96 | 160,498 |
| Countries with Z | 0 | - | 4.98 | 291,722 |
| Countries with Letters Missing | 0 | - | 4.96 | 186,857 |
| Countries That End in U | 0 | - | 4.95 | 120,941 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 134,635 |
| Countries that End in O | 0 | - | 4.92 | 159,592 |
| Countries that End in R | 0 | - | 4.87 | 119,024 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,784 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,307 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,810 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,579 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,486 |
| Countries That End in Y | 0 | - | 4.91 | 185,942 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 198,056 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,984 |
| Countries that End in I | 0 | - | 4.94 | 135,168 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 184,245 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,877 |
| Countries That End in NIA | 0 | - | 4.92 | 109,856 |
| Countries That End in BIA | 0 | - | 4.93 | 149,305 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,213 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,523 |
| Countries That End in RIA | 0 | - | 4.93 | 126,878 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 111,111 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 227,881 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,844 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 126,275 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,821 |
| Add A Letter - Make a Country | 0 | - | 4.81 | 74,638 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 53,109 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,467 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,625 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,485 |
| Countries with the Word "And" | 0 | - | 4.99 | 117,405 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 54,095 |
| Countries that End in L | 0 | - | 4.94 | 156,921 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 216,259 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,288 |
| Bordering Countries by Clue #1 | 0 | - | 4.97 | 83,196 |
| Bordering Countries by Clue #2 | 0 | - | 4.95 | 87,517 |
| Walking Across Borders with Hints #1 | 0 | - | 4.94 | 109,129 |
| Walking Across Borders with Hints #2 | 0 | - | 4.97 | 87,750 |
| City to Country Quiz #1 | 0 | - | 4.97 | 156,092 |
| City to Country Quiz #3 | 0 | - | 4.88 | 119,021 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 79,063 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 249,936 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 200,802 |
| Five Least Populated Countries by Continent | 0 | - | 4.95 | 143,227 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 163,946 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 225,601 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 152,966 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 71,139 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,735 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 63,001 |
| Random Countries by Borders | 0 | - | 4.99 | 82,764 |
