| "Land" Countries | 0 | - | 4.98 | 338,838 |
| Countries with Double Letters | 0 | - | 4.96 | 97,496 |
| Countries that End in N | 0 | - | 4.95 | 172,527 |
| Countries with Five Letters | 0 | - | 4.96 | 284,485 |
| Countries with Six Letters | 0 | - | 4.94 | 214,844 |
| Countries with W | 0 | - | 4.96 | 161,225 |
| Countries with Z | 0 | - | 4.98 | 292,868 |
| Countries with Letters Missing | 0 | - | 4.96 | 187,589 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 135,336 |
| Countries that End in O | 0 | - | 4.92 | 160,337 |
| Countries that End in R | 0 | - | 4.87 | 119,258 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 156,031 |
| Countries Ending in "IA" | 0 | - | 4.99 | 210,073 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 183,748 |
| Countries by Last Two Letters | 0 | - | 4.85 | 136,100 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 143,582 |
| Countries That End in Y | 0 | - | 4.91 | 186,150 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 199,096 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 153,376 |
| Countries that End in I | 0 | - | 4.94 | 135,390 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 185,137 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 96,117 |
| Countries That End in NIA | 0 | - | 4.92 | 110,129 |
| Countries That End in BIA | 0 | - | 4.93 | 149,693 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,884 |
| Countries Whose Names Start with Saint | 0 | - | 4.88 | 119,860 |
| Countries That End in RIA | 0 | - | 4.93 | 127,118 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 111,501 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 228,850 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 134,328 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 126,784 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 92,338 |
| Add A Letter - Make a Country | 0 | - | 4.81 | 74,883 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 53,414 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,582 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 126,010 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,709 |
| Countries with the Word "And" | 0 | - | 4.99 | 117,855 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 54,550 |
| Countries that End in L | 0 | - | 4.94 | 157,211 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 218,399 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,369 |
| Landlocked Countries | 0 | - | 4.99 | 426,900 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,942,070 |
| Countries with Four Letters | 0 | - | 4.99 | 426,244 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,743 |
| Himalayan Countries | 0 | - | 4.93 | 140,665 |
| Andean Countries | 0 | - | 4.94 | 85,726 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,848 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,384 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,403 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,634 |
| Danube Countries | 0 | - | 4.97 | 72,513 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,735 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,939 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,363 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,820 |
| European Landlocked Countries | 0 | - | 4.99 | 147,703 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,475 |
| Countries with the Most Species | 0 | - | 4.99 | 103,625 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,575 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,802 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,935 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,899 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,655 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,103 |
| Countries in the Alps | 0 | - | 4.87 | 118,917 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,898 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 108,055 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 79,037 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,135 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,088 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,354 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,529 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,964 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,492 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,280 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,933 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,813 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,640 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,890 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,988 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 120,069 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,693 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 76,111 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,797 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 246,132 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,390 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,586 |
| Largest Countries By Category | 0 | - | 4.97 | 159,022 |
| Countries by Countries | 0 | - | 4.97 | 63,768 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,378 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,437 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,698 |
| All Countries by Population With a Map | 0 | - | 4.98 | 111,302 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,505 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,191 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,809,792 |
| Bordering Countries Beginning With the Same Letter | 0 | - | 4.99 | 140,367 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 219,404 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 336,239 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,953 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 410,151 |
| Island Countries | 0 | - | 4.99 | 712,867 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,055,734 |
| Northernmost Countries | 0 | - | 4.99 | 364,426 |
| Countries of South America | 0 | - | 5.00 | 933,740 |
| Countries of Oceania | 0 | - | 5.00 | 1,064,795 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,891,825 |
| Countries with J | 0 | - | 4.55 | 186,370 |
| Countries by Consonants | 0 | - | 4.42 | 78,975 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,396,002 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,407 |
| Countries with Megacities | 0 | - | 4.99 | 267,628 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,052 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,277 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,393 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,382 |
| Countries by Official Language | 0 | - | 4.95 | 196,156 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,845 |
| Countries in their Native Language | 0 | - | 4.99 | 199,892 |
| Independence from Whom | 0 | - | 4.99 | 213,312 |
| Subdivisions by Country | 0 | - | 4.87 | 50,650 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,602 |
| Megadiverse Countries | 0 | - | 4.96 | 147,874 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 133,076 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,566 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,772 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,245 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 164,407 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,909 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,232 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,604 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 96,141 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,280 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,698 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 108,458 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,484 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,195 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,617 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,940 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 112,627 |
| World Map Quiz | 0 | - | 4.81 | 65,872 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 159,706 |
| Smallest Countries with at Least One Border | 0 | - | 4.88 | 107,773 |
| Countries within the Arctic Circle - Map Quiz | 0 | - | 4.84 | 64,689 |
| Countries by Founding Story | 0 | - | 4.95 | 77,888 |
| Countries by Road Signs | 0 | - | 4.98 | 54,418 |
| Southernmost Countries of the World | 0 | - | 4.99 | 229,433 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 106,188 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,650 |
| Countries With the Most Languages | 0 | - | 4.90 | 203,816 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,520 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,627 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,816 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,743 |
| Tallest Countries North to South | 0 | - | 4.85 | 130,897 |
| Widest Countries East to West | 0 | - | 4.92 | 130,801 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,623 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,350 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,545 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 95,131 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 149,067 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,577 |
| Countries by Contribution to UN Budget | 0 | - | 4.88 | 77,526 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,916 |
| Countries With the Tallest People | 0 | - | 4.93 | 95,236 |
| City to Country Quiz #1 | 0 | - | 4.96 | 157,852 |
| City to Country Quiz #3 | 0 | - | 4.88 | 120,134 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 79,523 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 250,591 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 201,256 |
| Five Least Populated Countries by Continent | 0 | - | 4.95 | 143,498 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 164,376 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 226,133 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 153,294 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 71,283 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.81 | 108,964 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,867 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 63,332 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,455,470 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,828 |
| One Border Countries | 0 | - | 4.98 | 472,380 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 116,199 |
| Every Country in its Official/Native Language | 0 | - | 4.98 | 25,735 |
| Most Similar Country Names | 0 | - | 4.16 | 46,704 |
| Longest Country Name A-Z | 0 | - | 4.32 | 42,415 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,851,745 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,657,748 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,423 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 269,440 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,778 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,967 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.91 | 94,325 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,689 |
| Countries by National Anthem | 0 | - | 4.92 | 71,428 |
| NATO Countries | 0 | - | 4.98 | 283,816 |
| EU Countries Quiz | 0 | - | 4.99 | 278,668 |
| Recently Independent Countries | 0 | - | 4.98 | 160,461 |
| French-Speaking Countries | 0 | - | 4.85 | 271,817 |
