| "Land" Countries | 0 | - | 4.98 | 334,716 |
| Countries with Double Letters | 0 | - | 4.96 | 94,216 |
| Countries that End in N | 0 | - | 4.95 | 167,360 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 259,681 |
| Countries with Six Letters | 0 | - | 4.93 | 211,211 |
| Countries with W | 0 | - | 4.97 | 158,894 |
| Countries with Z | 0 | - | 4.98 | 288,875 |
| Countries with Letters Missing | 0 | - | 4.97 | 185,103 |
| Countries That End in U | 0 | - | 4.95 | 119,976 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,214 |
| Countries that End in O | 0 | - | 4.92 | 158,904 |
| Countries that End in R | 0 | - | 4.87 | 118,537 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,306 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,816 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,783 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,840 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,414 |
| Countries That End in Y | 0 | - | 4.90 | 185,452 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,885 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,117 |
| Countries that End in I | 0 | - | 4.94 | 134,696 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,735 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,424 |
| Countries That End in NIA | 0 | - | 4.92 | 109,314 |
| Countries That End in BIA | 0 | - | 4.93 | 148,601 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,452 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,798 |
| Countries That End in RIA | 0 | - | 4.93 | 126,363 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,365 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 226,148 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,892 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,226 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,822 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,164 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,468 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 102,973 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 124,869 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,033 |
| Countries with the Word "And" | 0 | - | 4.99 | 116,547 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 53,239 |
| Countries that End in L | 0 | - | 4.94 | 156,313 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 213,016 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,074 |
| Landlocked Countries | 0 | - | 4.99 | 416,931 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,184,360 |
| Countries with Four Letters | 0 | - | 4.99 | 420,456 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,053 |
| Himalayan Countries | 0 | - | 4.95 | 136,612 |
| Andean Countries | 0 | - | 4.95 | 83,543 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,796 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,084 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,470 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,063 |
| Danube Countries | 0 | - | 4.97 | 71,459 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,267 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,871 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,214 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,203 |
| European Landlocked Countries | 0 | - | 4.99 | 146,160 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,818 |
| Countries with the Most Species | 0 | - | 4.99 | 102,107 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,943 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,344 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,523 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,181 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,828 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,211 |
| Countries in the Alps | 0 | - | 4.86 | 117,371 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,926 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,954 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,275 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,767 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,862 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,278 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,017 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,009 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,829 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,369 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,376 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,215 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,749 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,022 |
| Countries with the Most Grassland | 0 | - | 4.93 | 77,027 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,767 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,917 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,448 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,270 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 241,158 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,641 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,845 |
| Largest Countries By Category | 0 | - | 4.97 | 157,305 |
| Countries by Countries | 0 | - | 4.96 | 62,619 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,911 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,089 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,414 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,429 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,116 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,742,574 |
| Bordering Countries Beginning With the Same Letter | 0 | - | 4.99 | 139,314 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 215,161 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 327,175 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 373,926 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 403,965 |
| Island Countries | 0 | - | 4.99 | 708,909 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,043,655 |
| Northernmost Countries | 0 | - | 4.99 | 359,494 |
| Countries of South America | 0 | - | 5.00 | 920,035 |
| Countries of Oceania | 0 | - | 5.00 | 1,047,479 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,859,622 |
| Countries with J | 0 | - | 4.54 | 184,642 |
| Countries by Consonants | 0 | - | 4.42 | 78,413 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,371,165 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,389 |
| Countries with Megacities | 0 | - | 4.99 | 249,165 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,248 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,609 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,569 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,573 |
| Countries by Official Language | 0 | - | 4.95 | 194,070 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 294,831 |
| Countries in their Native Language | 0 | - | 4.99 | 197,682 |
| Independence from Whom | 0 | - | 4.99 | 210,869 |
| Subdivisions by Country | 0 | - | 4.86 | 50,212 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,389 |
| Megadiverse Countries | 0 | - | 4.96 | 134,566 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,894 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,088 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,642 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,955 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,468 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,244 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,645 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,570 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,387 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,811 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,332 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,594 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,697 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,662 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,873 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,221 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 109,646 |
| World Map Quiz | 0 | - | 4.81 | 64,139 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 154,537 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,730 |
| Countries by Founding Story | 0 | - | 4.95 | 76,905 |
| Countries by Road Signs | 0 | - | 4.98 | 53,447 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,098 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,692 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,423 |
| Countries With the Most Languages | 0 | - | 4.90 | 200,765 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,297 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,485 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,650 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,159 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,662 |
| Widest Countries East to West | 0 | - | 4.92 | 129,167 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,334 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,693 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,935 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,971 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,002 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,385 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,125 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,681 |
| City to Country Quiz #1 | 0 | - | 4.96 | 155,721 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,582 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,632 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 248,369 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 199,829 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 142,373 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 162,855 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 224,286 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 152,060 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 70,880 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.81 | 108,300 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,530 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 62,531 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,440,326 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,950 |
| One Border Countries | 0 | - | 4.98 | 466,562 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,295 |
| Every Country in its Official/Native Language | 0 | - | 4.98 | 25,109 |
| Most Similar Country Names | 0 | - | 4.16 | 46,399 |
| Longest Country Name A-Z | 0 | - | 4.33 | 41,933 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,814,628 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,605,390 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,314 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,963 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,371 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,112 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,122 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,665 |
| Countries by National Anthem | 0 | - | 4.92 | 71,130 |
| NATO Countries | 0 | - | 4.98 | 278,247 |
| EU Countries Quiz | 0 | - | 4.99 | 271,805 |
| Recently Independent Countries | 0 | - | 4.98 | 158,421 |
| French-Speaking Countries | 0 | - | 4.85 | 269,804 |
| Natural Features of Countries #1 | 0 | - | 4.86 | 83,578 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,020 |
