| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,991 |
| One Border Countries | 0 | - | 4.98 | 469,482 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,832,291 |
| Landlocked Countries | 0 | - | 4.99 | 421,332 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,531,286 |
| Countries by Borders #1 | 0 | - | 5.00 | 194,580 |
| Countries with the Longest Total Borders | 0 | - | 4.99 | 312,917 |
| Longest Border by Country #1 | 0 | - | 4.99 | 146,369 |
| Largest Countries with No Borders | 0 | - | 4.97 | 221,573 |
| Countries with Two Borders | 0 | - | 4.99 | 149,890 |
| Countries by Borders #2 | 0 | - | 4.96 | 136,427 |
| Landlocked Countries that Border Each Other | 0 | - | 5.00 | 141,108 |
| Big Countries Bordering Small Countries | 0 | - | 4.99 | 131,002 |
| Largest Countries Bordering Each Other | 0 | - | 4.99 | 115,448 |
| Biggest Countries Bordering the Pacific Ocean | 0 | - | 4.92 | 93,658 |
| Countries by Borders #3 | 0 | - | 4.98 | 98,139 |
| Bordering Countries Forming Words #1 | 0 | - | 4.92 | 75,768 |
| Bordering Countries Forming Words #2 | 0 | - | 4.97 | 32,760 |
| Longest Border by Country #2 | 0 | - | 4.95 | 121,216 |
| Longest Border by Country #3 | 0 | - | 4.99 | 79,647 |
| Countries with the Most Borders | 0 | - | 4.97 | 388,824 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,132 |
| Himalayan Countries | 0 | - | 4.95 | 138,433 |
| Andean Countries | 0 | - | 4.93 | 84,439 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,649 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,604 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,278 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,678 |
| Danube Countries | 0 | - | 4.97 | 71,931 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,920 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,350 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,162 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,625 |
| European Landlocked Countries | 0 | - | 4.99 | 147,060 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,509 |
| Countries with the Most Species | 0 | - | 4.99 | 103,167 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,666 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,547 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,690 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,495 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,175 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,586 |
| Countries in the Alps | 0 | - | 4.87 | 118,095 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 100,639 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,914 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,602 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,532 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,418 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,894 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,582 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,440 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,138 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,782 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,613 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,471 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,156 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,412 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,448 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,735 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,244 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 61,801 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,955 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,605 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,910 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,167 |
| Largest Countries By Category | 0 | - | 4.97 | 158,090 |
| Countries by Countries | 0 | - | 4.96 | 63,121 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,595 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,253 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,603 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,773,889 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,665 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,598 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,033 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,261 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,429 |
| Countries with the Shortest Total Borders | 0 | - | 4.94 | 103,953 |
| Bordering Countries Beginning With the Same Letter | 0 | - | 4.99 | 139,700 |
| Bordering Countries by HDI Difference | 0 | - | 4.88 | 51,971 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 82,260 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,054 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,326 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 406,813 |
| Island Countries | 0 | - | 4.99 | 710,795 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,049,015 |
| Northernmost Countries | 0 | - | 4.99 | 361,665 |
| Countries of South America | 0 | - | 5.00 | 926,356 |
| Countries of Oceania | 0 | - | 5.00 | 1,055,629 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,875,122 |
| "Land" Countries | 0 | - | 4.98 | 337,129 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,485 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,382,034 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,728 |
| Countries with Megacities | 0 | - | 4.99 | 264,156 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,573 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,384 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,833 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,443 |
| Countries by Official Language | 0 | - | 4.95 | 195,119 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,188 |
| Countries in their Native Language | 0 | - | 4.99 | 198,905 |
| Independence from Whom | 0 | - | 4.99 | 211,937 |
| Subdivisions by Country | 0 | - | 4.86 | 50,398 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,616 |
| Megadiverse Countries | 0 | - | 4.96 | 134,957 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,964 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,312 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,938 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,086 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,028 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,557 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,369 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,608 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,065 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,548 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,839 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,160 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,926 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,311 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,461 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,996 |
| World Map Quiz | 0 | - | 4.81 | 65,004 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 156,926 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,965 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,201 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,922 |
| Countries With the Most Languages | 0 | - | 4.90 | 202,032 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,818 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,950 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,249 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,405 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,521 |
| Widest Countries East to West | 0 | - | 4.92 | 129,584 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,436 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,311 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,097 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,721 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,518 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,792 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,345 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,786 |
| Countries with Double Letters | 0 | - | 4.96 | 96,061 |
| Countries that End in N | 0 | - | 4.95 | 170,946 |
| Countries with Five Letters | 0 | - | 4.96 | 282,133 |
| Countries with Six Letters | 0 | - | 4.94 | 213,375 |
| Countries with W | 0 | - | 4.97 | 160,195 |
| Countries with Z | 0 | - | 4.98 | 291,253 |
| Countries with Letters Missing | 0 | - | 4.96 | 186,554 |
| Countries That End in U | 0 | - | 4.95 | 120,771 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 134,323 |
| Countries that End in O | 0 | - | 4.92 | 159,460 |
| Countries that End in R | 0 | - | 4.87 | 118,924 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,684 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,930 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,598 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,402 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,319 |
| Countries That End in Y | 0 | - | 4.91 | 185,830 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,798 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,762 |
| Countries that End in I | 0 | - | 4.94 | 135,045 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 183,975 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,768 |
| Countries That End in NIA | 0 | - | 4.92 | 109,719 |
| Countries That End in BIA | 0 | - | 4.93 | 149,126 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,023 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,355 |
| Countries That End in RIA | 0 | - | 4.93 | 126,762 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,941 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 227,400 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,589 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,984 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,555 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,530 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,947 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,427 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,454 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,377 |
| Countries with the Word "And" | 0 | - | 4.99 | 117,194 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 53,891 |
| Countries that End in L | 0 | - | 4.94 | 156,764 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 215,374 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,242 |
| Bordering Countries by Clue #1 | 0 | - | 4.97 | 83,115 |
| Bordering Countries by Clue #2 | 0 | - | 4.95 | 87,413 |
| Walking Across Borders with Hints #1 | 0 | - | 4.95 | 109,012 |
| Walking Across Borders with Hints #2 | 0 | - | 4.97 | 87,647 |
| City to Country Quiz #1 | 0 | - | 4.97 | 155,973 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,899 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,939 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 249,616 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 200,564 |
| Five Least Populated Countries by Continent | 0 | - | 4.95 | 142,917 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 163,447 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 225,327 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 152,810 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 71,062 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,685 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 62,829 |
| Random Countries by Borders | 0 | - | 4.99 | 82,553 |
