| "Land" Countries | 0 | - | 4.98 | 333,966 |
| Countries with Double Letters | 0 | - | 4.97 | 93,612 |
| Countries that End in N | 0 | - | 4.94 | 157,081 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 258,936 |
| Countries with Six Letters | 0 | - | 4.93 | 210,607 |
| Countries with W | 0 | - | 4.97 | 158,372 |
| Countries with Z | 0 | - | 4.98 | 288,146 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,705 |
| Countries That End in U | 0 | - | 4.95 | 119,594 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,810 |
| Countries that End in O | 0 | - | 4.92 | 158,627 |
| Countries that End in R | 0 | - | 4.87 | 118,351 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,914 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,339 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,495 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,609 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,158 |
| Countries That End in Y | 0 | - | 4.90 | 185,265 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,562 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,844 |
| Countries that End in I | 0 | - | 4.94 | 134,517 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,398 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,274 |
| Countries That End in NIA | 0 | - | 4.92 | 109,087 |
| Countries That End in BIA | 0 | - | 4.92 | 147,820 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,207 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,602 |
| Countries That End in RIA | 0 | - | 4.93 | 126,172 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 110,136 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 225,598 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,635 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 124,994 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,508 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 73,997 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,238 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 102,758 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 124,640 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 48,871 |
| Countries with the Word "And" | 0 | - | 4.99 | 116,285 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 52,947 |
| Countries that End in L | 0 | - | 4.94 | 156,132 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 211,874 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,016 |
| Landlocked Countries | 0 | - | 4.99 | 414,840 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,016,400 |
| Countries with Four Letters | 0 | - | 4.99 | 419,234 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,081 |
| Himalayan Countries | 0 | - | 4.95 | 135,795 |
| Andean Countries | 0 | - | 4.94 | 83,074 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,407 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,502 |
| Coffee Producing Countries | 0 | - | 4.81 | 66,108 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,769 |
| Danube Countries | 0 | - | 4.97 | 71,212 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 115,933 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,660 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,756 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,664 |
| European Landlocked Countries | 0 | - | 4.99 | 145,905 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,417 |
| Countries with the Most Species | 0 | - | 4.99 | 95,313 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,568 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,244 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,417 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,032 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,676 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,041 |
| Countries in the Alps | 0 | - | 4.86 | 117,031 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,703 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,489 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,125 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,533 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,320 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,105 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,730 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,860 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,640 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,166 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,244 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,112 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,569 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,847 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,847 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,341 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,758 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,329 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,968 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,950 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,059 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,693 |
| Largest Countries By Category | 0 | - | 4.97 | 156,943 |
| Countries by Countries | 0 | - | 4.96 | 62,396 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,579 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,003 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,366 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,232 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,884 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,726,626 |
| Bordering Countries Beginning With the Same Letter | 0 | - | 4.99 | 139,134 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 214,275 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 325,393 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,560 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 402,465 |
| Island Countries | 0 | - | 4.99 | 708,088 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,041,107 |
| Northernmost Countries | 0 | - | 4.99 | 358,421 |
| Countries of South America | 0 | - | 5.00 | 916,928 |
| Countries of Oceania | 0 | - | 5.00 | 1,043,046 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,852,529 |
| Countries with J | 0 | - | 4.55 | 184,403 |
| Countries by Consonants | 0 | - | 4.42 | 78,295 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,365,583 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,756 |
| Countries with Megacities | 0 | - | 4.99 | 247,882 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,635 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,267 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,018 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,219 |
| Countries by Official Language | 0 | - | 4.95 | 193,038 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,498 |
| Countries in their Native Language | 0 | - | 4.99 | 196,885 |
| Independence from Whom | 0 | - | 4.99 | 210,011 |
| Subdivisions by Country | 0 | - | 4.86 | 50,118 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,971 |
| Megadiverse Countries | 0 | - | 4.97 | 134,004 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,045 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,980 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,487 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,890 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,810 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,083 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,258 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,316 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,271 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,773 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,807 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,482 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,582 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,565 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,761 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 71,092 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 108,946 |
| World Map Quiz | 0 | - | 4.81 | 63,705 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 153,374 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,487 |
| Countries by Founding Story | 0 | - | 4.95 | 76,661 |
| Countries by Road Signs | 0 | - | 4.98 | 53,236 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,669 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,434 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,166 |
| Countries With the Most Languages | 0 | - | 4.90 | 200,155 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,053 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,251 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,449 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,038 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,487 |
| Widest Countries East to West | 0 | - | 4.92 | 128,981 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,271 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,406 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,624 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,818 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,760 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,176 |
| Countries by Contribution to UN Budget | 0 | - | 4.89 | 75,595 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,630 |
| City to Country Quiz #1 | 0 | - | 4.97 | 155,598 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,414 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,501 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 247,816 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 199,550 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 141,200 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 162,592 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 223,950 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 151,872 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 70,788 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.81 | 108,227 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,451 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 62,398 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,437,147 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,156 |
| One Border Countries | 0 | - | 4.98 | 465,299 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 114,561 |
| Every Country in its Official/Native Language | 0 | - | 4.98 | 24,725 |
| Most Similar Country Names | 0 | - | 4.16 | 46,330 |
| Longest Country Name A-Z | 0 | - | 4.33 | 41,831 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,805,831 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,594,294 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,099 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,383 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,098 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,590 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,876 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,462 |
| Countries by National Anthem | 0 | - | 4.92 | 71,064 |
| NATO Countries | 0 | - | 4.98 | 276,914 |
| EU Countries Quiz | 0 | - | 4.99 | 270,655 |
| Recently Independent Countries | 0 | - | 4.98 | 158,141 |
| French-Speaking Countries | 0 | - | 4.85 | 269,150 |
| Natural Features of Countries #1 | 0 | - | 4.86 | 83,428 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,395 |
