| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,797,768 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 81,231 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,068 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,229 |
| One Border Countries | 0 | - | 4.98 | 463,637 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,583,968 |
| Countries of the World in 1900 | 0 | - | 4.89 | 83,328 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 192,909 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 148,597 |
| Countries by Borders #1 | 0 | - | 5.00 | 193,400 |
| Countries with the Longest Total Borders | 0 | - | 4.99 | 310,159 |
| Longest Border by Country #1 | 0 | - | 4.99 | 145,072 |
| Largest Countries with No Borders | 0 | - | 4.97 | 219,150 |
| Countries with Two Borders | 0 | - | 4.99 | 136,737 |
| Countries by Borders #2 | 0 | - | 4.96 | 135,292 |
| Landlocked Countries that Border Each Other | 0 | - | 5.00 | 140,070 |
| Big Countries Bordering Small Countries | 0 | - | 4.99 | 130,040 |
| Largest Countries Bordering Each Other | 0 | - | 4.99 | 114,578 |
| Biggest Countries Bordering the Pacific Ocean | 0 | - | 4.91 | 93,102 |
| Countries by Borders #3 | 0 | - | 4.98 | 97,417 |
| Bordering Countries Forming Words #1 | 0 | - | 4.92 | 75,505 |
| Bordering Countries Forming Words #2 | 0 | - | 4.96 | 32,534 |
| Longest Border by Country #2 | 0 | - | 4.95 | 120,333 |
| Longest Border by Country #3 | 0 | - | 4.99 | 78,939 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,857,942 |
| Landlocked Countries | 0 | - | 4.99 | 412,936 |
| Countries with the Most Borders | 0 | - | 4.97 | 385,185 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,710,454 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,091 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,176 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,767 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,302 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,477 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,274 |
| Himalayan Countries | 0 | - | 4.95 | 135,076 |
| Andean Countries | 0 | - | 4.94 | 82,679 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,094 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,011 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,777 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 64,486 |
| Danube Countries | 0 | - | 4.97 | 71,009 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,648 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,465 |
| Countries with the Worst Passports | 0 | - | 4.93 | 82,305 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,225 |
| European Landlocked Countries | 0 | - | 4.99 | 145,677 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,067 |
| Countries with the Most Species | 0 | - | 4.99 | 95,195 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,215 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,178 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,335 |
| Countries that Use the Peso | 0 | - | 4.87 | 58,913 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,521 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,877 |
| Countries in the Alps | 0 | - | 4.87 | 116,699 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,483 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,098 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 77,949 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,335 |
| 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 | 52,692 |
| Largest Country by Body of Water | 0 | - | 4.95 | 56,091 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 61,976 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,166 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,001 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,371 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,683 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,680 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 116,893 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,574 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,207 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,686 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 238,877 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,400 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,547 |
| Largest Countries By Category | 0 | - | 4.97 | 156,635 |
| Countries by Countries | 0 | - | 4.96 | 62,176 |
| Pixelated World Map | 0 | - | 5.00 | 142,021 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,237 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,936 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,307 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 98,615 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.83 | 56,816 |
| All Countries by Population With a Map | 0 | - | 4.98 | 106,414 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,016 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,665 |
| Countries with the Shortest Total Borders | 0 | - | 4.94 | 103,004 |
| Bordering Countries Beginning With the Same Letter | 0 | - | 4.99 | 138,823 |
| Bordering Countries by HDI Difference | 0 | - | 4.91 | 51,623 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,117 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 371,855 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 401,030 |
| Island Countries | 0 | - | 4.99 | 707,271 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,038,460 |
| Northernmost Countries | 0 | - | 4.99 | 357,292 |
| Countries of South America | 0 | - | 5.00 | 913,535 |
| Countries of Oceania | 0 | - | 5.00 | 1,038,779 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,845,447 |
| "Land" Countries | 0 | - | 4.98 | 333,442 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 22,861 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,360,258 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,298 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.99 | 68,141 |
| Bordering Countries by Clue #1 | 0 | - | 4.97 | 82,596 |
| Bordering Countries by Clue #2 | 0 | - | 4.95 | 86,186 |
| Walking Across Borders with Hints #1 | 0 | - | 4.95 | 107,138 |
| Walking Across Borders with Hints #2 | 0 | - | 4.97 | 86,117 |
| Random Countries by Borders | 0 | - | 4.99 | 81,581 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,885 |
| Countries with Megacities | 0 | - | 4.99 | 246,242 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,806 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,746 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,267 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,681 |
| Countries by Official Language | 0 | - | 4.95 | 192,602 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 292,899 |
| Countries in their Native Language | 0 | - | 4.99 | 196,488 |
| Independence from Whom | 0 | - | 4.99 | 209,493 |
| Subdivisions by Country | 0 | - | 4.86 | 50,034 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,593 |
| Megadiverse Countries | 0 | - | 4.97 | 133,837 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,659 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,879 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,376 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,838 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,555 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 61,942 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 92,601 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,183 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,718 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,403 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,368 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,439 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,453 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,610 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 70,983 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 108,371 |
| World Map Quiz | 0 | - | 4.81 | 63,375 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 152,260 |
| Countries by Founding Story | 0 | - | 4.95 | 76,453 |
| Countries by Road Signs | 0 | - | 4.98 | 52,992 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,174 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 103,886 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 121,862 |
| Countries With the Most Languages | 0 | - | 4.90 | 199,525 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 109,781 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 92,976 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,178 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 60,884 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,265 |
| Widest Countries East to West | 0 | - | 4.92 | 128,532 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,192 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,091 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,524 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,629 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,527 |
| 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 | 93,233 |
| Countries that End in N | 0 | - | 4.94 | 156,300 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 258,504 |
| Countries with Six Letters | 0 | - | 4.93 | 210,208 |
| Countries with W | 0 | - | 4.97 | 158,111 |
| Countries with Z | 0 | - | 4.98 | 287,506 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,436 |
| Countries That End in U | 0 | - | 4.95 | 119,453 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,362 |
| Countries that End in O | 0 | - | 4.92 | 158,482 |
| Countries that End in R | 0 | - | 4.86 | 118,212 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,813 |
| Countries Ending in "IA" | 0 | - | 4.99 | 206,877 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,193 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,392 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 140,575 |
| Countries That End in Y | 0 | - | 4.90 | 185,156 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,193 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,561 |
| Countries that End in I | 0 | - | 4.94 | 134,320 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,031 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,148 |
| Countries That End in NIA | 0 | - | 4.92 | 108,937 |
| Countries That End in BIA | 0 | - | 4.92 | 147,619 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 165,983 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,415 |
| Countries That End in RIA | 0 | - | 4.93 | 126,018 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 109,925 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 224,995 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,441 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 124,824 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,258 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 73,871 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,039 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 102,557 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 124,396 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 48,771 |
| Countries with the Word "And" | 0 | - | 4.99 | 116,020 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 52,695 |
