| Countries with Nuclear Weapons | 0 | - | 4.86 | 274,694 |
| Countries with NO Military | 0 | - | 4.97 | 62,686 |
| Countries with the Most Tanks | 0 | - | 4.91 | 107,732 |
| NATO Countries | 0 | - | 4.98 | 281,720 |
| EU Countries Quiz | 0 | - | 4.99 | 275,754 |
| Top Five Countries by Religion | 0 | - | 4.93 | 172,341 |
| Countries with the Most Elite Universities | 0 | - | 4.95 | 149,023 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,819 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,615,963 |
| Majority Muslim Countries | 0 | - | 4.98 | 375,748 |
| Landlocked Countries | 0 | - | 4.99 | 422,400 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,781,807 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,727 |
| Himalayan Countries | 0 | - | 4.95 | 138,922 |
| Andean Countries | 0 | - | 4.93 | 84,737 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,941 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,002 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,552 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,889 |
| Danube Countries | 0 | - | 4.97 | 72,074 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,093 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,475 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,404 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,887 |
| European Landlocked Countries | 0 | - | 4.99 | 147,197 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,729 |
| Countries with the Most Species | 0 | - | 4.99 | 103,280 |
| Countries 197 to 205 | 0 | - | 4.90 | 70,847 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,620 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,741 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,578 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,271 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,713 |
| Countries in the Alps | 0 | - | 4.87 | 118,278 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,386 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,120 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,695 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,638 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,564 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,985 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,723 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,547 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,204 |
| Countries with the Most Christians | 0 | - | 4.93 | 143,651 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,898 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,681 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,553 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,261 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,519 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,574 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,005 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,349 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 64,282 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,147 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,150 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,248 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,269 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 50,766 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,929 |
| Largest Countries By Category | 0 | - | 4.97 | 158,292 |
| Countries by Countries | 0 | - | 4.96 | 63,288 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 321,873 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 88,573 |
| Buddhist Countries | 0 | - | 4.96 | 144,654 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,713 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 336,024 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 124,044 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,910 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,629 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 407,599 |
| Island Countries | 0 | - | 4.99 | 711,189 |
| Countries in World War I | 0 | - | 4.88 | 228,516 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 229,442 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,050,385 |
| Northernmost Countries | 0 | - | 4.99 | 362,161 |
| Countries of South America | 0 | - | 5.00 | 927,961 |
| Countries of Oceania | 0 | - | 5.00 | 1,057,697 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,878,618 |
| "Land" Countries | 0 | - | 4.98 | 337,456 |
| Countries with U.S. Troops | 0 | - | 4.38 | 132,237 |
| Countries with the Most Catholics | 0 | - | 4.90 | 109,837 |
| Orthodox Countries | 0 | - | 4.92 | 132,306 |
| Richest Island Countries | 0 | - | 4.85 | 100,821 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,384,714 |
| Monarchies of Europe | 0 | - | 4.90 | 98,384 |
| Monarchies of Asia | 0 | - | 4.97 | 71,249 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 123,176 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,047 |
| Countries with the Most Muslims | 0 | - | 4.95 | 160,707 |
| Countries with the Most Exports | 0 | - | 4.96 | 155,686 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 190,015 |
| Countries by Oil Consumption | 0 | - | 4.96 | 120,543 |
| Largest Economies in 2050 | 0 | - | 4.90 | 111,625 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 272,787 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 104,554 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 84,741 |
| Countries that Start with A | 0 | - | 4.98 | 2,167,380 |
| Countries that Start with B | 0 | - | 4.95 | 2,298,712 |
| Countries that Start with C | 0 | - | 4.96 | 1,825,515 |
| Countries that Start with D | 0 | - | 4.96 | 712,117 |
| Countries that Start with E | 0 | - | 4.95 | 1,380,105 |
| Countries that Start with G | 0 | - | 4.97 | 1,506,342 |
| Countries that Start with H | 0 | - | 4.96 | 606,503 |
| Countries that Start with I | 0 | - | 4.92 | 1,290,598 |
| Countries that Start with J | 0 | - | 4.98 | 604,090 |
| Countries that Start with K | 0 | - | 4.97 | 817,648 |
| Countries that Start with L | 0 | - | 4.98 | 1,092,940 |
| Countries that Start with N | 0 | - | 4.93 | 1,120,012 |
| Countries that Start with P | 0 | - | 4.94 | 1,218,370 |
| Countries that Start with S | 0 | - | 4.98 | 1,757,979 |
| Countries that Start with T | 0 | - | 4.90 | 1,011,535 |
| Countries that Start with U | 0 | - | 4.97 | 905,843 |
| Countries that Start with V | 0 | - | 4.98 | 610,292 |
| Countries that Start with F | 0 | - | 4.83 | 618,941 |
| Countries that Start with M | 0 | - | 4.97 | 1,384,160 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 112,050 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 195,544 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 118,629 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,014 |
| Countries with Megacities | 0 | - | 4.99 | 264,850 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,847 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,532 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,105 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,610 |
| Countries by Official Language | 0 | - | 4.95 | 195,329 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,495 |
| Countries in their Native Language | 0 | - | 4.99 | 199,127 |
| Independence from Whom | 0 | - | 4.99 | 212,198 |
| Subdivisions by Country | 0 | - | 4.87 | 50,447 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,804 |
| Megadiverse Countries | 0 | - | 4.96 | 135,052 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,175 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,381 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,260 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,122 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,186 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,618 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,530 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,059 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,681 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,160 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,754 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,913 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,229 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,988 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,375 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,390 |
| Southernmost Countries of the World | 0 | - | 4.99 | 228,169 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,326 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,033 |
| Countries With the Most Languages | 0 | - | 4.90 | 202,321 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,934 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,051 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,331 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,469 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,604 |
| Widest Countries East to West | 0 | - | 4.92 | 129,691 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,466 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,428 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,137 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,796 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,626 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,911 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,388 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,810 |
| Countries with Double Letters | 0 | - | 4.96 | 96,313 |
| Countries that End in N | 0 | - | 4.95 | 171,209 |
| Countries with Five Letters | 0 | - | 4.96 | 282,651 |
| Countries with Six Letters | 0 | - | 4.94 | 213,647 |
| Countries with W | 0 | - | 4.97 | 160,390 |
| Countries with Z | 0 | - | 4.98 | 291,558 |
| Countries with Letters Missing | 0 | - | 4.96 | 186,762 |
| Countries That End in U | 0 | - | 4.95 | 120,879 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 134,520 |
| Countries that End in O | 0 | - | 4.92 | 159,535 |
| Countries that End in R | 0 | - | 4.87 | 118,981 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,752 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,168 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,731 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,501 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,423 |
| Countries That End in Y | 0 | - | 4.91 | 185,896 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,981 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,898 |
| Countries that End in I | 0 | - | 4.94 | 135,119 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 184,151 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,842 |
| Countries That End in NIA | 0 | - | 4.92 | 109,808 |
| Countries That End in BIA | 0 | - | 4.93 | 149,241 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,147 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,451 |
| Countries That End in RIA | 0 | - | 4.93 | 126,830 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 111,044 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 227,717 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,755 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 126,178 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,732 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,596 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 53,059 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,457 |
