| NATO Countries | 0 | - | 4.98 | 282,473 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 290,259 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 275,651 |
| Top Five Countries by Religion | 0 | - | 4.93 | 172,773 |
| Countries with the Most Elite Universities | 0 | - | 4.95 | 149,362 |
| Countries with NO Military | 0 | - | 4.97 | 62,916 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,929 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,728,502 |
| Majority Muslim Countries | 0 | - | 4.98 | 376,586 |
| Landlocked Countries | 0 | - | 4.99 | 423,783 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,791,787 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,327 |
| Himalayan Countries | 0 | - | 4.94 | 139,498 |
| Andean Countries | 0 | - | 4.94 | 85,041 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,237 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,436 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,795 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,109 |
| Danube Countries | 0 | - | 4.97 | 72,206 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,297 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,618 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,702 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,204 |
| European Landlocked Countries | 0 | - | 4.99 | 147,369 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,969 |
| Countries with the Most Species | 0 | - | 4.99 | 103,417 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,107 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,680 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,792 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,688 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,434 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,850 |
| Countries in the Alps | 0 | - | 4.87 | 118,484 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,065 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,435 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,809 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,809 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,737 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,096 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,912 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,665 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,290 |
| Countries with the Most Christians | 0 | - | 4.93 | 144,246 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,015 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,760 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,627 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,384 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,637 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,720 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,366 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,473 |
| Countries that Host the Most Refugees | 0 | - | 4.97 | 65,207 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,347 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,892 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,650 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,376 |
| Countries with the Most Tanks | 0 | - | 4.91 | 107,961 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 50,877 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 75,034 |
| Largest Countries By Category | 0 | - | 4.97 | 158,537 |
| Countries by Countries | 0 | - | 4.96 | 63,435 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 322,667 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 88,800 |
| Buddhist Countries | 0 | - | 4.96 | 144,823 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,897 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 336,404 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 124,333 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 333,192 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,090 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 408,504 |
| Island Countries | 0 | - | 4.99 | 711,741 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,052,363 |
| Northernmost Countries | 0 | - | 4.99 | 363,034 |
| Countries of South America | 0 | - | 5.00 | 929,926 |
| Countries of Oceania | 0 | - | 5.00 | 1,060,200 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,883,122 |
| "Land" Countries | 0 | - | 4.98 | 337,870 |
| Countries with the Most Catholics | 0 | - | 4.90 | 110,097 |
| Orthodox Countries | 0 | - | 4.92 | 132,529 |
| Richest Island Countries | 0 | - | 4.85 | 100,989 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,388,402 |
| Monarchies of Europe | 0 | - | 4.90 | 98,582 |
| Monarchies of Asia | 0 | - | 4.97 | 71,367 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 237,344 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 123,502 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,155 |
| Countries with the Most Muslims | 0 | - | 4.95 | 160,926 |
| Countries with the Most Exports | 0 | - | 4.96 | 155,869 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 190,224 |
| Countries by Oil Consumption | 0 | - | 4.96 | 120,637 |
| Largest Economies in 2050 | 0 | - | 4.90 | 111,749 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 273,745 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 104,733 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 84,881 |
| Countries that Start with A | 0 | - | 4.98 | 2,171,118 |
| Countries that Start with B | 0 | - | 4.95 | 2,302,223 |
| Countries that Start with C | 0 | - | 4.96 | 1,828,170 |
| Countries that Start with D | 0 | - | 4.96 | 714,056 |
| Countries that Start with E | 0 | - | 4.95 | 1,382,291 |
| Countries that Start with G | 0 | - | 4.97 | 1,508,585 |
| Countries that Start with H | 0 | - | 4.96 | 607,883 |
| Countries that Start with I | 0 | - | 4.92 | 1,292,386 |
| Countries that Start with J | 0 | - | 4.98 | 605,357 |
| Countries that Start with K | 0 | - | 4.97 | 819,029 |
| Countries that Start with L | 0 | - | 4.98 | 1,094,651 |
| Countries that Start with N | 0 | - | 4.93 | 1,121,686 |
| Countries that Start with P | 0 | - | 4.94 | 1,219,989 |
| Countries that Start with S | 0 | - | 4.98 | 1,760,251 |
| Countries that Start with T | 0 | - | 4.90 | 1,013,246 |
| Countries that Start with U | 0 | - | 4.97 | 907,094 |
| Countries that Start with V | 0 | - | 4.98 | 611,049 |
| Countries that Start with F | 0 | - | 4.83 | 619,989 |
| Countries that Start with M | 0 | - | 4.97 | 1,385,977 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 112,265 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 195,804 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 118,841 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,430 |
| Countries with Megacities | 0 | - | 4.99 | 265,841 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,230 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,749 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,488 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,837 |
| Countries by Official Language | 0 | - | 4.95 | 195,629 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,026 |
| Countries in their Native Language | 0 | - | 4.99 | 199,404 |
| Independence from Whom | 0 | - | 4.99 | 212,549 |
| Subdivisions by Country | 0 | - | 4.87 | 50,526 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,067 |
| Megadiverse Countries | 0 | - | 4.96 | 135,154 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,433 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,456 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 126,339 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,162 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,369 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,697 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,733 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,470 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,746 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,206 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,084 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 108,190 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,327 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,056 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,473 |
| Smallest Countries with at Least One Border | 0 | - | 4.88 | 107,529 |
| Southernmost Countries of the World | 0 | - | 4.99 | 228,635 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,659 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,322 |
| Countries With the Most Languages | 0 | - | 4.90 | 202,942 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,186 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,305 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,522 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,580 |
| Tallest Countries North to South | 0 | - | 4.85 | 128,625 |
| Widest Countries East to West | 0 | - | 4.92 | 130,170 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,525 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,018 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,439 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,926 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,801 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,079 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,446 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,851 |
| Countries with Double Letters | 0 | - | 4.96 | 96,662 |
| Countries that End in N | 0 | - | 4.95 | 171,551 |
| Countries with Five Letters | 0 | - | 4.96 | 283,199 |
| Countries with Six Letters | 0 | - | 4.94 | 214,014 |
| Countries with W | 0 | - | 4.96 | 160,635 |
| Countries with Z | 0 | - | 4.98 | 291,950 |
| Countries with Letters Missing | 0 | - | 4.96 | 186,999 |
| Countries That End in U | 0 | - | 4.95 | 121,016 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 134,784 |
| Countries that End in O | 0 | - | 4.92 | 159,666 |
| Countries that End in R | 0 | - | 4.87 | 119,071 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,830 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,460 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,932 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,649 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,572 |
| Countries That End in Y | 0 | - | 4.91 | 185,994 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 198,186 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 153,071 |
| Countries that End in I | 0 | - | 4.94 | 135,212 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 184,371 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,929 |
| Countries That End in NIA | 0 | - | 4.92 | 109,919 |
| Countries That End in BIA | 0 | - | 4.93 | 149,398 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,333 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,613 |
| Countries That End in RIA | 0 | - | 4.93 | 126,936 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 111,211 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 228,089 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,950 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 126,390 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,926 |
| Add A Letter - Make a Country | 0 | - | 4.81 | 74,687 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 53,183 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,490 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,545 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 54,197 |