| Countries with Nuclear Weapons | 0 | - | 4.86 | 277,920 |
| Countries with NO Military | 0 | - | 4.97 | 63,617 |
| Countries with the Most Tanks | 0 | - | 4.91 | 108,476 |
| NATO Countries | 0 | - | 4.98 | 284,035 |
| EU Countries Quiz | 0 | - | 4.99 | 278,933 |
| Top Five Countries by Religion | 0 | - | 4.93 | 173,804 |
| Countries with the Most Elite Universities | 0 | - | 4.95 | 150,034 |
| Countries by Number of Books Published | 0 | - | 4.95 | 73,196 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,976,213 |
| Majority Muslim Countries | 0 | - | 4.98 | 378,445 |
| Landlocked Countries | 0 | - | 4.99 | 427,326 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,813,053 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,954 |
| Himalayan Countries | 0 | - | 4.93 | 140,857 |
| Andean Countries | 0 | - | 4.94 | 85,820 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,932 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,511 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,476 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,702 |
| Danube Countries | 0 | - | 4.97 | 72,564 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,808 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,979 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,462 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,929 |
| European Landlocked Countries | 0 | - | 4.99 | 147,773 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,549 |
| Countries with the Most Species | 0 | - | 4.99 | 103,654 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,651 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,817 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,957 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,930 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,684 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,139 |
| Countries in the Alps | 0 | - | 4.87 | 118,991 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 103,018 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 108,149 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 79,059 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,183 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,135 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,396 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,603 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,999 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,517 |
| Countries with the Most Christians | 0 | - | 4.93 | 144,947 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,320 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,955 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,832 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,681 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,934 |
| Countries with the Most Grassland | 0 | - | 4.94 | 78,027 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 120,159 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,742 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 76,518 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,849 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 246,349 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,518 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,620 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 51,284 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 75,253 |
| Largest Countries By Category | 0 | - | 4.97 | 159,103 |
| Countries by Countries | 0 | - | 4.97 | 63,815 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 324,402 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 89,356 |
| Buddhist Countries | 0 | - | 4.96 | 145,266 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,238 |
| Countries with the Most Billionaires | 0 | - | 4.91 | 337,350 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 124,993 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 336,687 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 377,066 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 410,417 |
| Island Countries | 0 | - | 4.99 | 713,034 |
| Countries in World War I | 0 | - | 4.88 | 229,453 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 230,582 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,056,273 |
| Northernmost Countries | 0 | - | 4.99 | 364,637 |
| Countries of South America | 0 | - | 5.00 | 934,387 |
| Countries of Oceania | 0 | - | 5.00 | 1,065,670 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,893,310 |
| "Land" Countries | 0 | - | 4.98 | 339,037 |
| Countries with U.S. Troops | 0 | - | 4.38 | 132,693 |
| Countries with the Most Catholics | 0 | - | 4.90 | 110,641 |
| Orthodox Countries | 0 | - | 4.92 | 132,968 |
| Richest Island Countries | 0 | - | 4.85 | 101,369 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,397,366 |
| Monarchies of Europe | 0 | - | 4.90 | 99,039 |
| Monarchies of Asia | 0 | - | 4.97 | 71,611 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 124,362 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,356 |
| Countries with the Most Muslims | 0 | - | 4.95 | 161,382 |
| Countries with the Most Exports | 0 | - | 4.96 | 156,390 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 190,693 |
| Countries by Oil Consumption | 0 | - | 4.96 | 124,984 |
| Largest Economies in 2050 | 0 | - | 4.88 | 112,075 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 275,600 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 105,156 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 85,229 |
| Countries that Start with A | 0 | - | 4.98 | 2,178,598 |
| Countries that Start with B | 0 | - | 4.95 | 2,309,227 |
| Countries that Start with C | 0 | - | 4.96 | 1,833,570 |
| Countries that Start with D | 0 | - | 4.96 | 717,898 |
| Countries that Start with E | 0 | - | 4.95 | 1,386,811 |
| Countries that Start with G | 0 | - | 4.97 | 1,513,373 |
| Countries that Start with H | 0 | - | 4.96 | 610,621 |
| Countries that Start with I | 0 | - | 4.92 | 1,295,945 |
| Countries that Start with J | 0 | - | 4.98 | 607,997 |
| Countries that Start with K | 0 | - | 4.97 | 821,831 |
| Countries that Start with L | 0 | - | 4.98 | 1,098,186 |
| Countries that Start with N | 0 | - | 4.93 | 1,125,275 |
| Countries that Start with P | 0 | - | 4.94 | 1,223,418 |
| Countries that Start with S | 0 | - | 4.98 | 1,764,995 |
| Countries that Start with T | 0 | - | 4.90 | 1,015,980 |
| Countries that Start with U | 0 | - | 4.97 | 909,296 |
| Countries that Start with V | 0 | - | 4.98 | 612,607 |
| Countries that Start with F | 0 | - | 4.83 | 622,082 |
| Countries that Start with M | 0 | - | 4.97 | 1,389,713 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 112,702 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 196,354 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 119,253 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,523 |
| Countries with Megacities | 0 | - | 4.99 | 267,915 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,177 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,351 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,504 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,452 |
| Countries by Official Language | 0 | - | 4.95 | 196,240 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,968 |
| Countries in their Native Language | 0 | - | 4.99 | 199,971 |
| Independence from Whom | 0 | - | 4.99 | 213,428 |
| Subdivisions by Country | 0 | - | 4.87 | 50,671 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,678 |
| Megadiverse Countries | 0 | - | 4.96 | 149,240 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 133,147 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,583 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,813 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,262 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 164,487 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,925 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,295 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,633 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 96,174 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,288 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,800 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 108,494 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,511 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,222 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,648 |
| Smallest Countries with at Least One Border | 0 | - | 4.88 | 107,825 |
| Southernmost Countries of the World | 0 | - | 4.99 | 229,538 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 106,245 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,716 |
| Countries With the Most Languages | 0 | - | 4.90 | 203,961 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,566 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,674 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,863 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,769 |
| Tallest Countries North to South | 0 | - | 4.85 | 130,957 |
| Widest Countries East to West | 0 | - | 4.92 | 130,863 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,631 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,414 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,568 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 95,168 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 149,127 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,622 |
| Countries by Contribution to UN Budget | 0 | - | 4.88 | 77,538 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,923 |
| Countries with Double Letters | 0 | - | 4.96 | 97,665 |
| Countries that End in N | 0 | - | 4.95 | 172,659 |
| Countries with Five Letters | 0 | - | 4.96 | 284,692 |
| Countries with Six Letters | 0 | - | 4.94 | 214,989 |
| Countries with W | 0 | - | 4.96 | 161,337 |
| Countries with Z | 0 | - | 4.98 | 293,047 |
| Countries with Letters Missing | 0 | - | 4.96 | 187,699 |
| Countries That End in U | 0 | - | 4.95 | 121,402 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 135,453 |
| Countries that End in O | 0 | - | 4.92 | 160,381 |
| Countries that End in R | 0 | - | 4.87 | 119,285 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 156,067 |
| Countries Ending in "IA" | 0 | - | 4.99 | 210,177 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 186,355 |
| Countries by Last Two Letters | 0 | - | 4.85 | 136,219 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 143,839 |
| Countries That End in Y | 0 | - | 4.91 | 186,180 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 199,351 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 153,435 |
| Countries that End in I | 0 | - | 4.94 | 135,434 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 185,323 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 96,151 |
| Countries That End in NIA | 0 | - | 4.92 | 110,165 |
| Countries That End in BIA | 0 | - | 4.93 | 149,748 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,948 |
| Countries Whose Names Start with Saint | 0 | - | 4.88 | 119,917 |
| Countries That End in RIA | 0 | - | 4.93 | 127,159 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 111,554 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 228,975 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 134,408 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 126,872 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 92,426 |
| Add A Letter - Make a Country | 0 | - | 4.81 | 74,931 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 53,471 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,613 |
