| NATO Countries | 0 | - | 4.98 | 284,373 |
| EU Countries Quiz | 0 | - | 4.99 | 279,304 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 292,248 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 278,452 |
| Top Five Countries by Religion | 0 | - | 4.93 | 174,022 |
| Countries with the Most Elite Universities | 0 | - | 4.95 | 150,187 |
| Countries with NO Military | 0 | - | 4.97 | 63,714 |
| Countries by Number of Books Published | 0 | - | 4.95 | 73,266 |
| Countries of the World Quiz | 0 | - | 5.00 | 48,023,775 |
| Majority Muslim Countries | 0 | - | 4.98 | 378,810 |
| Landlocked Countries | 0 | - | 4.99 | 427,930 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,817,124 |
| Sahara Desert Countries | 0 | - | 4.98 | 167,217 |
| Himalayan Countries | 0 | - | 4.93 | 141,098 |
| Andean Countries | 0 | - | 4.94 | 85,951 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 65,049 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,693 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,602 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,792 |
| Danube Countries | 0 | - | 4.97 | 72,630 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,900 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 87,041 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,592 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 151,065 |
| European Landlocked Countries | 0 | - | 4.99 | 147,846 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,644 |
| Countries with the Most Species | 0 | - | 4.99 | 103,687 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,748 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,840 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,985 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,972 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,725 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,206 |
| Countries in the Alps | 0 | - | 4.87 | 119,081 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 103,179 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 108,292 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 79,105 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,236 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,217 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,437 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,662 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 54,052 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,553 |
| Countries with the Most Christians | 0 | - | 4.93 | 145,073 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,366 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,988 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,861 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,724 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,983 |
| Countries with the Most Grassland | 0 | - | 4.94 | 78,085 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 120,317 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,776 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 76,908 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,939 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 246,671 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,752 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,657 |
| Countries with the Most Tanks | 0 | - | 4.91 | 108,564 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 51,347 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 75,308 |
| Largest Countries By Category | 0 | - | 4.97 | 159,221 |
| Countries by Countries | 0 | - | 4.97 | 63,873 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 324,699 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 89,451 |
| Buddhist Countries | 0 | - | 4.96 | 145,357 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,314 |
| Countries with the Most Billionaires | 0 | - | 4.91 | 337,660 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 125,214 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 337,231 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 377,238 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 410,770 |
| Island Countries | 0 | - | 4.99 | 713,322 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,056,987 |
| Northernmost Countries | 0 | - | 4.99 | 364,947 |
| Countries of South America | 0 | - | 5.00 | 935,212 |
| Countries of Oceania | 0 | - | 5.00 | 1,066,810 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,895,365 |
| "Land" Countries | 0 | - | 4.98 | 339,229 |
| Countries with the Most Catholics | 0 | - | 4.90 | 110,759 |
| Orthodox Countries | 0 | - | 4.92 | 133,049 |
| Richest Island Countries | 0 | - | 4.85 | 101,500 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,399,126 |
| Monarchies of Europe | 0 | - | 4.90 | 99,113 |
| Monarchies of Asia | 0 | - | 4.97 | 71,657 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 124,459 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,401 |
| Countries with the Most Muslims | 0 | - | 4.95 | 161,484 |
| Countries with the Most Exports | 0 | - | 4.96 | 156,551 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 190,848 |
| Countries by Oil Consumption | 0 | - | 4.96 | 125,489 |
| Largest Economies in 2050 | 0 | - | 4.88 | 112,164 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 276,034 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 105,308 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.90 | 85,375 |
| Countries that Start with A | 0 | - | 4.98 | 2,179,923 |
| Countries that Start with B | 0 | - | 4.95 | 2,310,570 |
| Countries that Start with C | 0 | - | 4.96 | 1,834,636 |
| Countries that Start with D | 0 | - | 4.96 | 718,640 |
| Countries that Start with E | 0 | - | 4.95 | 1,387,706 |
| Countries that Start with G | 0 | - | 4.97 | 1,514,346 |
| Countries that Start with H | 0 | - | 4.96 | 611,178 |
| Countries that Start with I | 0 | - | 4.92 | 1,296,785 |
| Countries that Start with J | 0 | - | 4.98 | 608,484 |
| Countries that Start with K | 0 | - | 4.97 | 822,385 |
| Countries that Start with L | 0 | - | 4.98 | 1,098,856 |
| Countries that Start with N | 0 | - | 4.93 | 1,125,978 |
| Countries that Start with P | 0 | - | 4.94 | 1,224,092 |
| Countries that Start with S | 0 | - | 4.98 | 1,765,906 |
| Countries that Start with T | 0 | - | 4.90 | 1,016,498 |
| Countries that Start with U | 0 | - | 4.97 | 909,733 |
| Countries that Start with V | 0 | - | 4.98 | 612,917 |
| Countries that Start with F | 0 | - | 4.83 | 622,504 |
| Countries that Start with M | 0 | - | 4.97 | 1,390,447 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 112,798 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 196,471 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 119,334 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,726 |
| Countries with Megacities | 0 | - | 4.99 | 268,307 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,350 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,448 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,699 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,558 |
| Countries by Official Language | 0 | - | 4.95 | 196,367 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 298,141 |
| Countries in their Native Language | 0 | - | 4.99 | 200,079 |
| Independence from Whom | 0 | - | 4.99 | 213,599 |
| Subdivisions by Country | 0 | - | 4.87 | 50,689 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,792 |
| Megadiverse Countries | 0 | - | 4.96 | 149,916 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 133,242 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,609 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,874 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,278 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 164,581 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,972 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,400 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,667 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 96,227 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,304 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,941 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 108,536 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,547 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,261 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,686 |
| Smallest Countries with at Least One Border | 0 | - | 4.88 | 107,884 |
| Southernmost Countries of the World | 0 | - | 4.99 | 229,680 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 106,315 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,796 |
| Countries With the Most Languages | 0 | - | 4.90 | 204,122 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,640 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,761 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,920 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,794 |
| Tallest Countries North to South | 0 | - | 4.85 | 131,043 |
| Widest Countries East to West | 0 | - | 4.92 | 130,924 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,641 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,493 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,595 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 95,215 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 149,516 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,677 |
| Countries by Contribution to UN Budget | 0 | - | 4.88 | 77,556 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,936 |
| Countries with Double Letters | 0 | - | 4.96 | 97,833 |
| Countries that End in N | 0 | - | 4.95 | 172,830 |
| Countries with Five Letters | 0 | - | 4.96 | 284,910 |
| Countries with Six Letters | 0 | - | 4.94 | 215,172 |
| Countries with W | 0 | - | 4.96 | 161,462 |
| Countries with Z | 0 | - | 4.98 | 293,239 |
| Countries with Letters Missing | 0 | - | 4.96 | 187,831 |
| Countries That End in U | 0 | - | 4.95 | 121,477 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 135,587 |
| Countries that End in O | 0 | - | 4.92 | 160,445 |
| Countries that End in R | 0 | - | 4.87 | 119,329 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 156,094 |
| Countries Ending in "IA" | 0 | - | 4.99 | 210,309 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 187,902 |
| Countries by Last Two Letters | 0 | - | 4.85 | 136,325 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 144,006 |
| Countries That End in Y | 0 | - | 4.91 | 186,221 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 199,553 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 153,512 |
| Countries that End in I | 0 | - | 4.94 | 135,469 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 185,491 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 96,199 |
| Countries That End in NIA | 0 | - | 4.92 | 110,215 |
| Countries That End in BIA | 0 | - | 4.93 | 149,812 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 168,021 |
| Countries Whose Names Start with Saint | 0 | - | 4.88 | 119,968 |
| Countries That End in RIA | 0 | - | 4.93 | 127,208 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 111,614 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 229,121 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 134,495 |
| Divided Country Name Puzzle #3 | 0 | - | 4.93 | 126,958 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 92,516 |
| Add A Letter - Make a Country | 0 | - | 4.81 | 74,973 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 53,537 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,627 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,790 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 54,707 |
