| One Border Countries | 0 | - | 4.98 | 466,840 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,816,505 |
| Countries by Borders #1 | 0 | - | 5.00 | 194,119 |
| Countries with the Longest Total Borders | 0 | - | 4.99 | 311,906 |
| Longest Border by Country #1 | 0 | - | 4.99 | 145,758 |
| Largest Countries with No Borders | 0 | - | 4.97 | 220,840 |
| Countries with Two Borders | 0 | - | 4.99 | 149,512 |
| Countries by Borders #2 | 0 | - | 4.96 | 136,083 |
| Landlocked Countries that Border Each Other | 0 | - | 5.00 | 140,755 |
| Big Countries Bordering Small Countries | 0 | - | 4.99 | 130,607 |
| Largest Countries Bordering Each Other | 0 | - | 4.99 | 115,062 |
| Biggest Countries Bordering the Pacific Ocean | 0 | - | 4.91 | 93,415 |
| Countries by Borders #3 | 0 | - | 4.98 | 97,849 |
| Bordering Countries Forming Words #1 | 0 | - | 4.92 | 75,666 |
| Bordering Countries Forming Words #2 | 0 | - | 4.97 | 32,684 |
| Longest Border by Country #2 | 0 | - | 4.95 | 120,889 |
| Countries with the Most Borders | 0 | - | 4.97 | 387,360 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,385 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,978 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,503 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,820 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,986 |
| Countries with the Shortest Total Borders | 0 | - | 4.94 | 103,541 |
| Bordering Countries Beginning With the Same Letter | 0 | - | 4.99 | 139,349 |
| Bordering Countries by HDI Difference | 0 | - | 4.90 | 51,804 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 81,746 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,627 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,792 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.84 | 23,220 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,219,552 |
| Landlocked Countries | 0 | - | 4.99 | 417,347 |
| Smallest Countries Bordering Each Other | 0 | - | 4.63 | 92,571 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,746,082 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,251 |
| Himalayan Countries | 0 | - | 4.95 | 136,790 |
| Andean Countries | 0 | - | 4.95 | 83,620 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,876 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,178 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,549 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,142 |
| Danube Countries | 0 | - | 4.97 | 71,494 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,324 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,912 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,321 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,324 |
| European Landlocked Countries | 0 | - | 4.99 | 146,205 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,894 |
| Countries with the Most Species | 0 | - | 4.99 | 102,444 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,020 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,358 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,539 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,208 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,860 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,242 |
| Countries in the Alps | 0 | - | 4.86 | 117,447 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,973 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,059 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,312 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,815 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,911 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,327 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,084 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,052 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,869 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,403 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,404 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,245 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,794 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,060 |
| Countries with the Most Grassland | 0 | - | 4.93 | 77,070 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,861 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,945 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,474 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,314 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 241,424 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,786 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,880 |
| Largest Countries By Category | 0 | - | 4.97 | 157,369 |
| Countries by Countries | 0 | - | 4.96 | 62,679 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,111 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,158 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 327,645 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,141 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 404,289 |
| Island Countries | 0 | - | 4.99 | 709,134 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,044,267 |
| Northernmost Countries | 0 | - | 4.99 | 359,765 |
| Countries of South America | 0 | - | 5.00 | 920,690 |
| Countries of Oceania | 0 | - | 5.00 | 1,048,335 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,861,211 |
| "Land" Countries | 0 | - | 4.98 | 335,257 |
| Which Country Does Not Border... | 0 | - | 4.78 | 93,330 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,372,257 |
| Bordering Countries by Clue #1 | 0 | - | 4.97 | 82,913 |
| Bordering Countries by Clue #2 | 0 | - | 4.95 | 87,083 |
| Walking Across Borders with Hints #1 | 0 | - | 4.95 | 107,652 |
| Countries Bordering Two or More Oceans | 0 | - | 4.22 | 122,556 |
| Borders of One Border Countries | 0 | - | 4.14 | 86,096 |
| Random Countries by Borders | 0 | - | 4.99 | 82,111 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,518 |
| Countries with Megacities | 0 | - | 4.99 | 249,475 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,369 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,688 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,698 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,652 |
| Countries by Official Language | 0 | - | 4.95 | 194,284 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,106 |
| Countries in their Native Language | 0 | - | 4.99 | 197,869 |
| Independence from Whom | 0 | - | 4.99 | 210,995 |
| Subdivisions by Country | 0 | - | 4.86 | 50,229 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,462 |
| Megadiverse Countries | 0 | - | 4.96 | 134,618 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,031 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,119 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,669 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,967 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,523 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,279 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,720 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,411 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,824 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,495 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,626 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,720 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,689 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,901 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,252 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 109,768 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,200 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,752 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,481 |
| Countries With the Most Languages | 0 | - | 4.90 | 200,915 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,360 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,528 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,695 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,187 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,164 |
| Widest Countries East to West | 0 | - | 4.92 | 129,231 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,344 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,751 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,947 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,095 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,057 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,425 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,163 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,693 |
| Countries with Double Letters | 0 | - | 4.97 | 94,657 |
| Countries that End in N | 0 | - | 4.95 | 168,862 |
| Countries with Five Letters | 0 | - | 4.96 | 274,402 |
| Countries with Six Letters | 0 | - | 4.94 | 211,938 |
| Countries with W | 0 | - | 4.97 | 159,200 |
| Countries with Z | 0 | - | 4.98 | 289,322 |
| Countries with Letters Missing | 0 | - | 4.96 | 185,404 |
| Countries That End in U | 0 | - | 4.95 | 120,233 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,425 |
| Countries that End in O | 0 | - | 4.92 | 159,047 |
| Countries that End in R | 0 | - | 4.87 | 118,620 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,395 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,001 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,898 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,927 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,507 |
| Countries That End in Y | 0 | - | 4.90 | 185,534 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,994 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,213 |
| Countries that End in I | 0 | - | 4.94 | 134,739 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,823 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,470 |
| Countries That End in NIA | 0 | - | 4.92 | 109,381 |
| Countries That End in BIA | 0 | - | 4.93 | 148,664 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,530 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,881 |
| Countries That End in RIA | 0 | - | 4.93 | 126,407 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,458 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 226,276 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,986 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,308 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,937 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,214 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,538 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,064 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 124,947 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,097 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 53,334 |
| Countries that End in L | 0 | - | 4.94 | 156,389 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 213,307 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,119 |
| City to Country Quiz #1 | 0 | - | 4.97 | 155,755 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,617 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,677 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 248,463 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 199,907 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 142,443 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 162,902 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 224,358 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 152,105 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 70,893 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.81 | 108,316 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,545 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 62,557 |
