| One Border Countries | 0 | - | 4.98 | 466,105 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,810,954 |
| Countries by Borders #1 | 0 | - | 5.00 | 193,989 |
| Countries with the Longest Total Borders | 0 | - | 4.99 | 311,265 |
| Longest Border by Country #1 | 0 | - | 4.99 | 145,648 |
| Largest Countries with No Borders | 0 | - | 4.97 | 220,591 |
| Countries with Two Borders | 0 | - | 4.99 | 149,346 |
| Countries by Borders #2 | 0 | - | 4.96 | 135,955 |
| Landlocked Countries that Border Each Other | 0 | - | 5.00 | 140,628 |
| Big Countries Bordering Small Countries | 0 | - | 4.99 | 130,493 |
| Largest Countries Bordering Each Other | 0 | - | 4.99 | 114,956 |
| Biggest Countries Bordering the Pacific Ocean | 0 | - | 4.91 | 93,330 |
| Countries by Borders #3 | 0 | - | 4.98 | 97,765 |
| Bordering Countries Forming Words #1 | 0 | - | 4.92 | 75,638 |
| Bordering Countries Forming Words #2 | 0 | - | 4.97 | 32,655 |
| Longest Border by Country #2 | 0 | - | 4.95 | 120,812 |
| Countries with the Most Borders | 0 | - | 4.97 | 386,863 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,302 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,770 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,287 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,676 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,850 |
| Countries with the Shortest Total Borders | 0 | - | 4.94 | 103,390 |
| Bordering Countries Beginning With the Same Letter | 0 | - | 4.99 | 139,237 |
| Bordering Countries by HDI Difference | 0 | - | 4.90 | 51,763 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 81,613 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,502 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,648 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.84 | 23,113 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,112,555 |
| Landlocked Countries | 0 | - | 4.99 | 415,991 |
| Smallest Countries Bordering Each Other | 0 | - | 4.63 | 92,488 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,735,994 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,591 |
| Himalayan Countries | 0 | - | 4.95 | 136,217 |
| Andean Countries | 0 | - | 4.95 | 83,305 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,596 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,807 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,298 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,919 |
| Danube Countries | 0 | - | 4.97 | 71,332 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,103 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,783 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,011 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,965 |
| European Landlocked Countries | 0 | - | 4.99 | 146,043 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,652 |
| Countries with the Most Species | 0 | - | 4.99 | 96,827 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,792 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,295 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,471 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,110 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,759 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,128 |
| Countries in the Alps | 0 | - | 4.86 | 117,247 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,835 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,742 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,209 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,660 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,515 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,202 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,897 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,947 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,748 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,278 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,322 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,180 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,673 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,934 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,942 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,606 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,849 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,383 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,128 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 240,654 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,408 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,778 |
| Largest Countries By Category | 0 | - | 4.97 | 157,168 |
| Countries by Countries | 0 | - | 4.96 | 62,524 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,059 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,031 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,375 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 373,519 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 403,225 |
| Island Countries | 0 | - | 4.99 | 708,588 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,042,592 |
| Northernmost Countries | 0 | - | 4.99 | 359,052 |
| Countries of South America | 0 | - | 5.00 | 918,775 |
| Countries of Oceania | 0 | - | 5.00 | 1,045,579 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,856,502 |
| "Land" Countries | 0 | - | 4.98 | 334,269 |
| Which Country Does Not Border... | 0 | - | 4.78 | 93,245 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,368,835 |
| Bordering Countries by Clue #1 | 0 | - | 4.97 | 82,835 |
| Bordering Countries by Clue #2 | 0 | - | 4.95 | 86,998 |
| Walking Across Borders with Hints #1 | 0 | - | 4.95 | 107,374 |
| Countries Bordering Two or More Oceans | 0 | - | 4.22 | 122,495 |
| Borders of One Border Countries | 0 | - | 4.14 | 86,038 |
| Random Countries by Borders | 0 | - | 4.99 | 81,891 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,107 |
| Countries with Megacities | 0 | - | 4.99 | 248,612 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,981 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,457 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,355 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,411 |
| Countries by Official Language | 0 | - | 4.95 | 193,778 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 294,266 |
| Countries in their Native Language | 0 | - | 4.99 | 197,431 |
| Independence from Whom | 0 | - | 4.99 | 210,393 |
| Subdivisions by Country | 0 | - | 4.86 | 50,169 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,212 |
| Megadiverse Countries | 0 | - | 4.96 | 134,497 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,637 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,054 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 125,592 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,934 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,053 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,175 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,470 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,333 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,795 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 76,064 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,554 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,650 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,622 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,825 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,162 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 109,341 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,945 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,605 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,323 |
| Countries With the Most Languages | 0 | - | 4.89 | 200,529 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,190 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,389 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,570 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,111 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,590 |
| Widest Countries East to West | 0 | - | 4.92 | 129,093 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,306 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,574 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,714 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,915 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,916 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,301 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 76,974 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,657 |
| Countries with Double Letters | 0 | - | 4.96 | 93,816 |
| Countries that End in N | 0 | - | 4.94 | 157,249 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 259,209 |
| Countries with Six Letters | 0 | - | 4.93 | 210,846 |
| Countries with W | 0 | - | 4.97 | 158,503 |
| Countries with Z | 0 | - | 4.98 | 288,398 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,853 |
| Countries That End in U | 0 | - | 4.95 | 119,664 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,996 |
| Countries that End in O | 0 | - | 4.92 | 158,693 |
| Countries that End in R | 0 | - | 4.87 | 118,412 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,966 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,563 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,630 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,718 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,284 |
| Countries That End in Y | 0 | - | 4.90 | 185,322 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,734 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,997 |
| Countries that End in I | 0 | - | 4.94 | 134,593 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,591 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,354 |
| Countries That End in NIA | 0 | - | 4.92 | 109,220 |
| Countries That End in BIA | 0 | - | 4.93 | 148,455 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,339 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,702 |
| Countries That End in RIA | 0 | - | 4.93 | 126,258 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,246 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 225,914 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,766 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,124 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,670 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,071 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,355 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 102,876 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 124,761 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 48,941 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 53,095 |
| Countries that End in L | 0 | - | 4.94 | 156,206 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 212,540 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,037 |
| City to Country Quiz #1 | 0 | - | 4.96 | 155,675 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,508 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,574 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 248,178 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 199,728 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 142,121 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 162,750 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 224,171 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 151,993 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 70,850 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.81 | 108,272 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,486 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 62,472 |
