| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,797,660 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 81,229 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,068 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,226 |
| One Border Countries | 0 | - | 4.98 | 463,626 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,583,839 |
| Countries of the World in 1900 | 0 | - | 4.89 | 83,323 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 192,899 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 148,590 |
| Countries by Borders #1 | 0 | - | 5.00 | 193,396 |
| Countries with the Longest Total Borders | 0 | - | 4.99 | 310,149 |
| Longest Border by Country #1 | 0 | - | 4.99 | 145,070 |
| Largest Countries with No Borders | 0 | - | 4.97 | 219,143 |
| Countries with Two Borders | 0 | - | 4.99 | 136,735 |
| Countries by Borders #2 | 0 | - | 4.96 | 135,290 |
| Landlocked Countries that Border Each Other | 0 | - | 5.00 | 140,069 |
| Big Countries Bordering Small Countries | 0 | - | 4.99 | 130,037 |
| Largest Countries Bordering Each Other | 0 | - | 4.99 | 114,577 |
| Biggest Countries Bordering the Pacific Ocean | 0 | - | 4.91 | 93,102 |
| Countries by Borders #3 | 0 | - | 4.98 | 97,416 |
| Bordering Countries Forming Words #1 | 0 | - | 4.92 | 75,503 |
| Bordering Countries Forming Words #2 | 0 | - | 4.96 | 32,534 |
| Longest Border by Country #2 | 0 | - | 4.95 | 120,330 |
| Longest Border by Country #3 | 0 | - | 4.99 | 78,939 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,856,187 |
| Landlocked Countries | 0 | - | 4.99 | 412,928 |
| Countries with the Most Borders | 0 | - | 4.97 | 385,170 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,710,296 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,091 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,173 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,765 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,296 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,473 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,263 |
| Himalayan Countries | 0 | - | 4.95 | 135,071 |
| Andean Countries | 0 | - | 4.94 | 82,675 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,092 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,007 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,775 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 64,479 |
| Danube Countries | 0 | - | 4.97 | 71,008 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,644 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,462 |
| Countries with the Worst Passports | 0 | - | 4.93 | 82,299 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,218 |
| European Landlocked Countries | 0 | - | 4.99 | 145,673 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,061 |
| Countries with the Most Species | 0 | - | 4.99 | 95,191 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,210 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,178 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,334 |
| Countries that Use the Peso | 0 | - | 4.87 | 58,913 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,516 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,873 |
| Countries in the Alps | 0 | - | 4.87 | 116,695 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,481 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,092 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 77,948 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,330 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,072 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 94,940 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,479 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,689 |
| Largest Country by Body of Water | 0 | - | 4.95 | 55,960 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 61,975 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,166 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,000 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,369 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,678 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,679 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 116,881 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,573 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,204 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,680 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 238,865 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,393 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,546 |
| Largest Countries By Category | 0 | - | 4.97 | 156,630 |
| Countries by Countries | 0 | - | 4.96 | 62,173 |
| Pixelated World Map | 0 | - | 5.00 | 141,975 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,232 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,935 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,306 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 98,610 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.83 | 56,815 |
| All Countries by Population With a Map | 0 | - | 4.98 | 106,407 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,010 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,663 |
| Countries with the Shortest Total Borders | 0 | - | 4.94 | 103,002 |
| Bordering Countries Beginning With the Same Letter | 0 | - | 4.99 | 138,821 |
| Bordering Countries by HDI Difference | 0 | - | 4.91 | 51,623 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,091 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 371,847 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 401,022 |
| Island Countries | 0 | - | 4.99 | 707,266 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,038,432 |
| Northernmost Countries | 0 | - | 4.99 | 357,274 |
| Countries of South America | 0 | - | 5.00 | 913,516 |
| Countries of Oceania | 0 | - | 5.00 | 1,038,732 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,845,372 |
| "Land" Countries | 0 | - | 4.98 | 333,435 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 22,860 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,360,202 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,297 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.99 | 68,140 |
| Bordering Countries by Clue #1 | 0 | - | 4.97 | 82,593 |
| Bordering Countries by Clue #2 | 0 | - | 4.95 | 86,169 |
| Walking Across Borders with Hints #1 | 0 | - | 4.95 | 107,135 |
| Walking Across Borders with Hints #2 | 0 | - | 4.97 | 86,115 |
| Random Countries by Borders | 0 | - | 4.99 | 81,578 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,880 |
| Countries with Megacities | 0 | - | 4.99 | 246,225 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,797 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,743 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,265 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,678 |
| Countries by Official Language | 0 | - | 4.95 | 192,600 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 292,888 |
| Countries in their Native Language | 0 | - | 4.99 | 196,483 |
| Independence from Whom | 0 | - | 4.99 | 209,487 |
| Subdivisions by Country | 0 | - | 4.86 | 50,034 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,589 |
| Megadiverse Countries | 0 | - | 4.97 | 133,834 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,657 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,878 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,374 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,836 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,552 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 61,942 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 92,599 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,183 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,717 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,398 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,366 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,434 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,450 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,610 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 70,982 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 108,368 |
| World Map Quiz | 0 | - | 4.81 | 63,366 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 152,244 |
| Countries by Founding Story | 0 | - | 4.95 | 76,450 |
| Countries by Road Signs | 0 | - | 4.98 | 52,986 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,167 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 103,884 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 121,860 |
| Countries With the Most Languages | 0 | - | 4.90 | 199,522 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 109,776 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 92,971 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,176 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 60,882 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,263 |
| Widest Countries East to West | 0 | - | 4.92 | 128,528 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,191 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,086 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,521 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,627 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,523 |
| Countries with the Most Desert | 0 | - | 4.93 | 126,951 |
| Countries by Contribution to UN Budget | 0 | - | 4.86 | 69,032 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,552 |
| Countries with Double Letters | 0 | - | 4.97 | 93,227 |
| Countries that End in N | 0 | - | 4.94 | 156,293 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 258,500 |
| Countries with Six Letters | 0 | - | 4.93 | 210,204 |
| Countries with W | 0 | - | 4.97 | 158,104 |
| Countries with Z | 0 | - | 4.98 | 287,474 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,435 |
| Countries That End in U | 0 | - | 4.95 | 119,449 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,357 |
| Countries that End in O | 0 | - | 4.92 | 158,481 |
| Countries that End in R | 0 | - | 4.86 | 118,211 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,813 |
| Countries Ending in "IA" | 0 | - | 4.99 | 206,873 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,189 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,385 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 140,572 |
| Countries That End in Y | 0 | - | 4.90 | 185,156 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,180 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,560 |
| Countries that End in I | 0 | - | 4.94 | 134,318 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,028 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,147 |
| Countries That End in NIA | 0 | - | 4.92 | 108,935 |
| Countries That End in BIA | 0 | - | 4.92 | 147,614 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 165,980 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,412 |
| Countries That End in RIA | 0 | - | 4.93 | 126,016 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 109,924 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 224,990 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,438 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 124,815 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,256 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 73,871 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,035 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 102,556 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 124,395 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 48,770 |
| Countries with the Word "And" | 0 | - | 4.99 | 116,018 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 52,691 |
