| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,346 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,513 |
| Bordering Countries by Clue #1 | 0 | - | 4.97 | 82,762 |
| Bordering Countries by Clue #2 | 0 | - | 4.95 | 86,879 |
| Walking Across Borders with Hints #1 | 0 | - | 4.95 | 107,272 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,806,264 |
| One Border Countries | 0 | - | 4.98 | 465,365 |
| Random Countries by Borders | 0 | - | 4.99 | 81,793 |
| Countries with the Most Borders | 0 | - | 4.97 | 386,398 |
| Countries by Borders #1 | 0 | - | 5.00 | 193,796 |
| Countries with the Longest Total Borders | 0 | - | 4.99 | 310,974 |
| Longest Border by Country #1 | 0 | - | 4.99 | 145,520 |
| Largest Countries with No Borders | 0 | - | 4.97 | 220,339 |
| Countries with Two Borders | 0 | - | 4.99 | 149,100 |
| Countries by Borders #2 | 0 | - | 4.96 | 135,615 |
| Landlocked Countries that Border Each Other | 0 | - | 5.00 | 140,491 |
| Big Countries Bordering Small Countries | 0 | - | 4.99 | 130,374 |
| Largest Countries Bordering Each Other | 0 | - | 4.99 | 114,847 |
| Biggest Countries Bordering the Pacific Ocean | 0 | - | 4.91 | 93,251 |
| Countries by Borders #3 | 0 | - | 4.98 | 97,631 |
| Bordering Countries Forming Words #1 | 0 | - | 4.92 | 75,601 |
| Bordering Countries Forming Words #2 | 0 | - | 4.97 | 32,627 |
| Longest Border by Country #2 | 0 | - | 4.95 | 120,726 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,023,994 |
| Landlocked Countries | 0 | - | 4.99 | 414,936 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,243 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,588 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,145 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,570 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,755 |
| Countries with the Shortest Total Borders | 0 | - | 4.94 | 103,263 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,727,412 |
| Bordering Countries Beginning With the Same Letter | 0 | - | 4.99 | 139,154 |
| Bordering Countries by HDI Difference | 0 | - | 4.90 | 51,720 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 81,478 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,037 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,525 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,117 |
| Himalayan Countries | 0 | - | 4.95 | 135,823 |
| Andean Countries | 0 | - | 4.94 | 83,096 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,420 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,526 |
| Coffee Producing Countries | 0 | - | 4.81 | 66,121 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,777 |
| Danube Countries | 0 | - | 4.97 | 71,218 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 115,945 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,669 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,773 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,688 |
| European Landlocked Countries | 0 | - | 4.99 | 145,917 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,438 |
| Countries with the Most Species | 0 | - | 4.99 | 95,317 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,582 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,249 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,422 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,037 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,686 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,049 |
| Countries in the Alps | 0 | - | 4.86 | 117,045 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,715 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,507 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,133 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,546 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,332 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,111 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,743 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,866 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,652 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,174 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,255 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,116 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,578 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,852 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,862 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,359 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,761 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,332 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,973 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 240,031 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,080 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,700 |
| Largest Countries By Category | 0 | - | 4.97 | 156,964 |
| Countries by Countries | 0 | - | 4.96 | 62,403 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,903 |
| European Countries with One Border | 0 | - | 4.97 | 181,837 |
| Which Country Does Not Border... | 0 | - | 4.78 | 93,162 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,735 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 325,477 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,584 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 402,524 |
| Island Countries | 0 | - | 4.99 | 708,133 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,365,876 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,041,225 |
| Northernmost Countries | 0 | - | 4.99 | 358,478 |
| Countries of South America | 0 | - | 5.00 | 917,089 |
| Countries of Oceania | 0 | - | 5.00 | 1,043,243 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,852,856 |
| "Land" Countries | 0 | - | 4.98 | 333,998 |
| Countries Bordering France | 0 | - | 4.83 | 400,405 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,486 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 124,972 |
| Richest Countries Bordering Each Other | 0 | - | 4.99 | 153,434 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 88,597 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,196 |
| Rich Countries Bordering Poor Countries | 0 | - | 4.89 | 99,566 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 82,751 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 76,151 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,437,317 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,197 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,786 |
| Countries with Megacities | 0 | - | 4.99 | 247,944 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,667 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,283 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,050 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,239 |
| Countries by Official Language | 0 | - | 4.95 | 193,057 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,537 |
| Countries in their Native Language | 0 | - | 4.99 | 196,906 |
| Independence from Whom | 0 | - | 4.99 | 210,039 |
| Subdivisions by Country | 0 | - | 4.86 | 50,122 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,990 |
| Megadiverse Countries | 0 | - | 4.97 | 134,015 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,070 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,986 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,499 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,894 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,826 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,095 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,270 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,275 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,775 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,825 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,486 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,590 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,570 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,763 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 71,105 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 108,988 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,698 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,453 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,190 |
| Countries With the Most Languages | 0 | - | 4.90 | 200,196 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,067 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,271 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,463 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,042 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,500 |
| Widest Countries East to West | 0 | - | 4.92 | 128,990 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,277 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,421 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,634 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,830 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,774 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,187 |
| Countries by Contribution to UN Budget | 0 | - | 4.89 | 76,085 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,632 |
| Countries with Double Letters | 0 | - | 4.97 | 93,631 |
| Countries that End in N | 0 | - | 4.94 | 157,094 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 258,960 |
| Countries with Six Letters | 0 | - | 4.93 | 210,622 |
| Countries with W | 0 | - | 4.97 | 158,388 |
| Countries with Z | 0 | - | 4.98 | 288,168 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,715 |
| Countries That End in U | 0 | - | 4.95 | 119,595 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,829 |
| Countries that End in O | 0 | - | 4.92 | 158,633 |
| Countries that End in R | 0 | - | 4.87 | 118,355 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,917 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,356 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,503 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,615 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,164 |
| Countries That End in Y | 0 | - | 4.90 | 185,272 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,567 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,861 |
| Countries that End in I | 0 | - | 4.94 | 134,521 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,408 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,280 |
| Countries That End in NIA | 0 | - | 4.92 | 109,095 |
| Countries That End in BIA | 0 | - | 4.92 | 147,830 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,216 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,610 |
| Countries That End in RIA | 0 | - | 4.93 | 126,181 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 110,145 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 225,623 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,643 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 124,998 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,521 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,008 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,256 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 102,766 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 48,877 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 52,958 |
| Countries that End in L | 0 | - | 4.94 | 156,138 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 211,935 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,017 |
| City to Country Quiz #1 | 0 | - | 4.97 | 155,605 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,421 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,502 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 247,841 |
