| Countries with Nuclear Weapons | 0 | - | 4.86 | 274,977 |
| Countries with NO Military | 0 | - | 4.97 | 62,759 |
| Countries with the Most Tanks | 0 | - | 4.91 | 107,801 |
| NATO Countries | 0 | - | 4.98 | 281,937 |
| EU Countries Quiz | 0 | - | 4.99 | 276,027 |
| Top Five Countries by Religion | 0 | - | 4.93 | 172,479 |
| Countries with the Most Elite Universities | 0 | - | 4.95 | 149,142 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,860 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,649,607 |
| Majority Muslim Countries | 0 | - | 4.98 | 376,017 |
| Landlocked Countries | 0 | - | 4.99 | 422,824 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,784,670 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,940 |
| Himalayan Countries | 0 | - | 4.95 | 139,102 |
| Andean Countries | 0 | - | 4.93 | 84,838 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,061 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,171 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,643 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,957 |
| Danube Countries | 0 | - | 4.97 | 72,118 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,161 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,521 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,496 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,996 |
| European Landlocked Countries | 0 | - | 4.99 | 147,256 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,803 |
| Countries with the Most Species | 0 | - | 4.99 | 103,329 |
| Countries 197 to 205 | 0 | - | 4.90 | 70,927 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,644 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,760 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,608 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,343 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,767 |
| Countries in the Alps | 0 | - | 4.87 | 118,337 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,656 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,239 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,734 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,693 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,614 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,021 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,782 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,585 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,234 |
| Countries with the Most Christians | 0 | - | 4.93 | 143,747 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,938 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,703 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,581 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,311 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,552 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,618 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,113 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,382 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 64,617 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,226 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,396 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,384 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,298 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 50,798 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,975 |
| Largest Countries By Category | 0 | - | 4.97 | 158,365 |
| Countries by Countries | 0 | - | 4.96 | 63,339 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 322,138 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 88,635 |
| Buddhist Countries | 0 | - | 4.96 | 144,709 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,766 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 336,164 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 124,135 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 332,366 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,769 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 407,849 |
| Island Countries | 0 | - | 4.99 | 711,348 |
| Countries in World War I | 0 | - | 4.88 | 228,593 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 229,526 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,050,950 |
| Northernmost Countries | 0 | - | 4.99 | 362,378 |
| Countries of South America | 0 | - | 5.00 | 928,559 |
| Countries of Oceania | 0 | - | 5.00 | 1,058,405 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,879,915 |
| "Land" Countries | 0 | - | 4.98 | 337,584 |
| Countries with U.S. Troops | 0 | - | 4.38 | 132,257 |
| Countries with the Most Catholics | 0 | - | 4.90 | 109,907 |
| Orthodox Countries | 0 | - | 4.92 | 132,373 |
| Richest Island Countries | 0 | - | 4.85 | 100,882 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,385,778 |
| Monarchies of Europe | 0 | - | 4.90 | 98,445 |
| Monarchies of Asia | 0 | - | 4.97 | 71,295 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 123,285 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,082 |
| Countries with the Most Muslims | 0 | - | 4.95 | 160,780 |
| Countries with the Most Exports | 0 | - | 4.96 | 155,738 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 190,082 |
| Countries by Oil Consumption | 0 | - | 4.96 | 120,578 |
| Largest Economies in 2050 | 0 | - | 4.90 | 111,669 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 273,068 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 104,621 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 84,772 |
| Countries that Start with A | 0 | - | 4.98 | 2,168,526 |
| Countries that Start with B | 0 | - | 4.95 | 2,299,685 |
| Countries that Start with C | 0 | - | 4.96 | 1,826,329 |
| Countries that Start with D | 0 | - | 4.96 | 712,732 |
| Countries that Start with E | 0 | - | 4.95 | 1,380,752 |
| Countries that Start with G | 0 | - | 4.97 | 1,507,015 |
| Countries that Start with H | 0 | - | 4.96 | 606,918 |
| Countries that Start with I | 0 | - | 4.92 | 1,291,143 |
| Countries that Start with J | 0 | - | 4.98 | 604,464 |
| Countries that Start with K | 0 | - | 4.97 | 818,048 |
| Countries that Start with L | 0 | - | 4.98 | 1,093,470 |
| Countries that Start with N | 0 | - | 4.93 | 1,120,524 |
| Countries that Start with P | 0 | - | 4.94 | 1,218,856 |
| Countries that Start with S | 0 | - | 4.98 | 1,758,659 |
| Countries that Start with T | 0 | - | 4.90 | 1,011,897 |
| Countries that Start with U | 0 | - | 4.97 | 906,131 |
| Countries that Start with V | 0 | - | 4.98 | 610,510 |
| Countries that Start with F | 0 | - | 4.83 | 619,282 |
| Countries that Start with M | 0 | - | 4.97 | 1,384,729 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 112,109 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 195,628 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 118,697 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,146 |
| Countries with Megacities | 0 | - | 4.99 | 265,173 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,964 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,611 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,229 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,679 |
| Countries by Official Language | 0 | - | 4.95 | 195,432 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,618 |
| Countries in their Native Language | 0 | - | 4.99 | 199,208 |
| Independence from Whom | 0 | - | 4.99 | 212,297 |
| Subdivisions by Country | 0 | - | 4.87 | 50,473 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,876 |
| Megadiverse Countries | 0 | - | 4.96 | 135,083 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,236 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,400 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,278 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,136 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,239 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,647 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,583 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,403 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,701 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,175 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 77,869 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,936 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,255 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,008 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,403 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,434 |
| Southernmost Countries of the World | 0 | - | 4.99 | 228,271 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,376 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,089 |
| Countries With the Most Languages | 0 | - | 4.90 | 202,489 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,987 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,093 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,376 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,489 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,633 |
| Widest Countries East to West | 0 | - | 4.92 | 129,732 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,476 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,482 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,179 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,824 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,674 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,949 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,404 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,816 |
| Countries with Double Letters | 0 | - | 4.96 | 96,430 |
| Countries that End in N | 0 | - | 4.95 | 171,311 |
| Countries with Five Letters | 0 | - | 4.96 | 282,828 |
| Countries with Six Letters | 0 | - | 4.94 | 213,766 |
| Countries with W | 0 | - | 4.96 | 160,469 |
| Countries with Z | 0 | - | 4.98 | 291,675 |
| Countries with Letters Missing | 0 | - | 4.96 | 186,831 |
| Countries That End in U | 0 | - | 4.95 | 120,921 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 134,598 |
| Countries that End in O | 0 | - | 4.92 | 159,577 |
| Countries that End in R | 0 | - | 4.87 | 119,012 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,769 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,273 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,786 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,556 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,470 |
| Countries That End in Y | 0 | - | 4.91 | 185,929 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 198,033 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,955 |
| Countries that End in I | 0 | - | 4.94 | 135,151 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 184,218 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,868 |
| Countries That End in NIA | 0 | - | 4.92 | 109,846 |
| Countries That End in BIA | 0 | - | 4.93 | 149,286 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,197 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,499 |
| Countries That End in RIA | 0 | - | 4.93 | 126,868 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 111,087 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 227,839 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,818 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 126,249 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,800 |
| Add A Letter - Make a Country | 0 | - | 4.81 | 74,628 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 53,094 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,465 |
