| Countries with Nuclear Weapons | 0 | - | 4.86 | 275,594 |
| Countries with NO Military | 0 | - | 4.97 | 62,907 |
| Countries with the Most Tanks | 0 | - | 4.91 | 107,951 |
| NATO Countries | 0 | - | 4.98 | 282,442 |
| EU Countries Quiz | 0 | - | 4.99 | 276,632 |
| Top Five Countries by Religion | 0 | - | 4.93 | 172,759 |
| Countries with the Most Elite Universities | 0 | - | 4.95 | 149,344 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,927 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,723,507 |
| Majority Muslim Countries | 0 | - | 4.98 | 376,559 |
| Landlocked Countries | 0 | - | 4.99 | 423,726 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,791,376 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,305 |
| Himalayan Countries | 0 | - | 4.94 | 139,478 |
| Andean Countries | 0 | - | 4.94 | 85,027 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,231 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,419 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,788 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,098 |
| Danube Countries | 0 | - | 4.97 | 72,203 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,289 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,617 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,694 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,195 |
| European Landlocked Countries | 0 | - | 4.99 | 147,360 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,966 |
| Countries with the Most Species | 0 | - | 4.99 | 103,408 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,099 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,679 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,790 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,681 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,431 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,844 |
| Countries in the Alps | 0 | - | 4.87 | 118,475 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,039 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,427 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,805 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,802 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,727 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,093 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,905 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,662 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,290 |
| Countries with the Most Christians | 0 | - | 4.93 | 144,235 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,013 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,757 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,624 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,378 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,632 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,716 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,350 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,472 |
| Countries that Host the Most Refugees | 0 | - | 4.97 | 65,177 |
| 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 | 244,865 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,636 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,374 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 50,867 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 75,029 |
| Largest Countries By Category | 0 | - | 4.97 | 158,530 |
| Countries by Countries | 0 | - | 4.96 | 63,432 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 322,616 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 88,795 |
| Buddhist Countries | 0 | - | 4.96 | 144,818 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,892 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 336,387 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 124,315 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 333,134 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,071 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 408,475 |
| Island Countries | 0 | - | 4.99 | 711,717 |
| Countries in World War I | 0 | - | 4.88 | 228,753 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 229,721 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,052,278 |
| Northernmost Countries | 0 | - | 4.99 | 362,987 |
| Countries of South America | 0 | - | 5.00 | 929,848 |
| Countries of Oceania | 0 | - | 5.00 | 1,060,056 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,882,934 |
| "Land" Countries | 0 | - | 4.98 | 337,845 |
| Countries with U.S. Troops | 0 | - | 4.38 | 132,300 |
| Countries with the Most Catholics | 0 | - | 4.90 | 110,090 |
| Orthodox Countries | 0 | - | 4.92 | 132,515 |
| Richest Island Countries | 0 | - | 4.85 | 100,982 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,388,230 |
| Monarchies of Europe | 0 | - | 4.90 | 98,574 |
| Monarchies of Asia | 0 | - | 4.97 | 71,362 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 123,491 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,150 |
| Countries with the Most Muslims | 0 | - | 4.95 | 160,921 |
| Countries with the Most Exports | 0 | - | 4.96 | 155,860 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 190,209 |
| Countries by Oil Consumption | 0 | - | 4.96 | 120,634 |
| Largest Economies in 2050 | 0 | - | 4.90 | 111,744 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 273,710 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 104,728 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 84,876 |
| Countries that Start with A | 0 | - | 4.98 | 2,170,971 |
| Countries that Start with B | 0 | - | 4.95 | 2,302,098 |
| Countries that Start with C | 0 | - | 4.96 | 1,828,085 |
| Countries that Start with D | 0 | - | 4.96 | 713,978 |
| Countries that Start with E | 0 | - | 4.95 | 1,382,208 |
| Countries that Start with G | 0 | - | 4.97 | 1,508,510 |
| Countries that Start with H | 0 | - | 4.96 | 607,836 |
| Countries that Start with I | 0 | - | 4.92 | 1,292,321 |
| Countries that Start with J | 0 | - | 4.98 | 605,313 |
| Countries that Start with K | 0 | - | 4.97 | 818,977 |
| Countries that Start with L | 0 | - | 4.98 | 1,094,577 |
| Countries that Start with N | 0 | - | 4.93 | 1,121,620 |
| Countries that Start with P | 0 | - | 4.94 | 1,219,925 |
| Countries that Start with S | 0 | - | 4.98 | 1,760,166 |
| Countries that Start with T | 0 | - | 4.90 | 1,013,186 |
| Countries that Start with U | 0 | - | 4.97 | 906,988 |
| Countries that Start with V | 0 | - | 4.98 | 611,017 |
| Countries that Start with F | 0 | - | 4.83 | 619,950 |
| Countries that Start with M | 0 | - | 4.97 | 1,385,911 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 112,258 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 195,799 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 118,834 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,420 |
| Countries with Megacities | 0 | - | 4.99 | 265,789 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,212 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,742 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,473 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,827 |
| Countries by Official Language | 0 | - | 4.95 | 195,616 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,974 |
| Countries in their Native Language | 0 | - | 4.99 | 199,389 |
| Independence from Whom | 0 | - | 4.99 | 212,532 |
| Subdivisions by Country | 0 | - | 4.87 | 50,524 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,057 |
| Megadiverse Countries | 0 | - | 4.96 | 135,152 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,416 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,453 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 126,337 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,160 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,363 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,693 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,720 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,464 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,743 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,205 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,075 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 108,120 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,321 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,053 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,469 |
| Smallest Countries with at Least One Border | 0 | - | 4.88 | 107,524 |
| Southernmost Countries of the World | 0 | - | 4.99 | 228,619 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,643 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,305 |
| Countries With the Most Languages | 0 | - | 4.90 | 202,925 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,174 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,299 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,510 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,574 |
| Tallest Countries North to South | 0 | - | 4.85 | 128,328 |
| Widest Countries East to West | 0 | - | 4.92 | 130,148 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,522 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,006 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,438 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,921 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,797 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,069 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,445 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,847 |
| Countries with Double Letters | 0 | - | 4.96 | 96,650 |
| Countries that End in N | 0 | - | 4.95 | 171,542 |
| Countries with Five Letters | 0 | - | 4.96 | 283,163 |
| Countries with Six Letters | 0 | - | 4.94 | 213,996 |
| Countries with W | 0 | - | 4.96 | 160,619 |
| Countries with Z | 0 | - | 4.98 | 291,934 |
| Countries with Letters Missing | 0 | - | 4.96 | 186,991 |
| Countries That End in U | 0 | - | 4.95 | 121,008 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 134,776 |
| Countries that End in O | 0 | - | 4.92 | 159,662 |
| Countries that End in R | 0 | - | 4.87 | 119,065 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,826 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,452 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,927 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,645 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,566 |
| Countries That End in Y | 0 | - | 4.91 | 185,991 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 198,181 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 153,065 |
| Countries that End in I | 0 | - | 4.94 | 135,209 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 184,364 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,926 |
| Countries That End in NIA | 0 | - | 4.92 | 109,914 |
| Countries That End in BIA | 0 | - | 4.93 | 149,390 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,327 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,604 |
| Countries That End in RIA | 0 | - | 4.93 | 126,936 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 111,207 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 228,069 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,944 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 126,385 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,918 |
| Add A Letter - Make a Country | 0 | - | 4.81 | 74,684 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 53,179 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,488 |
