| Countries with Nuclear Weapons | 0 | - | 4.86 | 268,505 |
| Countries with NO Military | 0 | - | 4.97 | 61,211 |
| Countries with the Most Tanks | 0 | - | 4.91 | 106,316 |
| NATO Countries | 0 | - | 4.98 | 275,950 |
| EU Countries Quiz | 0 | - | 4.99 | 270,093 |
| Top Five Countries by Religion | 0 | - | 4.93 | 169,131 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 146,820 |
| Countries by Number of Books Published | 0 | - | 4.95 | 71,934 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,940,263 |
| Majority Muslim Countries | 0 | - | 4.98 | 368,670 |
| Landlocked Countries | 0 | - | 4.99 | 413,838 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,719,060 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,685 |
| Himalayan Countries | 0 | - | 4.95 | 135,444 |
| Andean Countries | 0 | - | 4.94 | 82,859 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,254 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,257 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,941 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,632 |
| Danube Countries | 0 | - | 4.97 | 71,098 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,786 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,556 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,529 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,453 |
| European Landlocked Countries | 0 | - | 4.99 | 145,780 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,241 |
| Countries with the Most Species | 0 | - | 4.99 | 95,254 |
| Countries 197 to 205 | 0 | - | 4.87 | 69,386 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,205 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,375 |
| Countries that Use the Peso | 0 | - | 4.88 | 58,971 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,591 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,966 |
| Countries in the Alps | 0 | - | 4.86 | 116,865 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,587 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,290 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,025 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,441 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,198 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,024 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,600 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,777 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,397 |
| Countries with the Most Christians | 0 | - | 4.92 | 141,518 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,082 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,202 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,053 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,464 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,775 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,770 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,122 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,665 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,266 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,800 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,425 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,743 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,616 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 49,776 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,166 |
| Largest Countries By Category | 0 | - | 4.97 | 156,800 |
| Countries by Countries | 0 | - | 4.96 | 62,277 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 317,155 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 86,959 |
| Buddhist Countries | 0 | - | 4.96 | 142,987 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,789 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 332,967 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 122,148 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 324,349 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,183 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 401,978 |
| Island Countries | 0 | - | 4.99 | 707,716 |
| Countries in World War I | 0 | - | 4.88 | 226,662 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 227,464 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,039,786 |
| Northernmost Countries | 0 | - | 4.99 | 357,861 |
| Countries of South America | 0 | - | 5.00 | 915,241 |
| Countries of Oceania | 0 | - | 5.00 | 1,041,057 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,849,315 |
| "Land" Countries | 0 | - | 4.98 | 333,712 |
| Countries with U.S. Troops | 0 | - | 4.38 | 131,661 |
| Countries with the Most Catholics | 0 | - | 4.90 | 108,090 |
| Orthodox Countries | 0 | - | 4.91 | 130,436 |
| Richest Island Countries | 0 | - | 4.84 | 99,558 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,362,973 |
| Monarchies of Europe | 0 | - | 4.90 | 97,359 |
| Monarchies of Asia | 0 | - | 4.97 | 70,617 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,504 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,444 |
| Countries with the Most Muslims | 0 | - | 4.95 | 159,309 |
| Countries with the Most Exports | 0 | - | 4.96 | 154,207 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 188,540 |
| Countries by Oil Consumption | 0 | - | 4.96 | 119,569 |
| Largest Economies in 2050 | 0 | - | 4.90 | 110,682 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 262,234 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.95 | 102,989 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.90 | 83,747 |
| Countries that Start with A | 0 | - | 4.97 | 2,147,422 |
| Countries that Start with B | 0 | - | 4.95 | 2,280,370 |
| Countries that Start with C | 0 | - | 4.96 | 1,810,756 |
| Countries that Start with D | 0 | - | 4.96 | 701,844 |
| Countries that Start with E | 0 | - | 4.95 | 1,367,872 |
| Countries that Start with G | 0 | - | 4.97 | 1,493,203 |
| Countries that Start with H | 0 | - | 4.96 | 598,204 |
| Countries that Start with I | 0 | - | 4.92 | 1,280,552 |
| Countries that Start with J | 0 | - | 4.98 | 596,259 |
| Countries that Start with K | 0 | - | 4.97 | 809,603 |
| Countries that Start with L | 0 | - | 4.98 | 1,083,165 |
| Countries that Start with N | 0 | - | 4.93 | 1,110,038 |
| Countries that Start with P | 0 | - | 4.94 | 1,208,814 |
| Countries that Start with S | 0 | - | 4.98 | 1,744,886 |
| Countries that Start with T | 0 | - | 4.90 | 1,004,417 |
| Countries that Start with U | 0 | - | 4.97 | 900,075 |
| Countries that Start with V | 0 | - | 4.98 | 605,241 |
| Countries that Start with F | 0 | - | 4.83 | 612,386 |
| Countries that Start with M | 0 | - | 4.97 | 1,373,652 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 110,635 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 193,961 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 117,509 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,423 |
| Countries with Megacities | 0 | - | 4.99 | 247,232 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,261 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,080 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,698 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,998 |
| Countries by Official Language | 0 | - | 4.95 | 192,816 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,185 |
| Countries in their Native Language | 0 | - | 4.99 | 196,684 |
| Independence from Whom | 0 | - | 4.99 | 209,764 |
| Subdivisions by Country | 0 | - | 4.86 | 50,080 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,807 |
| Megadiverse Countries | 0 | - | 4.97 | 133,922 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,841 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,928 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,437 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,866 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,697 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,022 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,082 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,166 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,224 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,752 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,634 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,438 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,508 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,513 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,699 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,356 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,405 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,023 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 121,975 |
| Countries With the Most Languages | 0 | - | 4.90 | 199,837 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 109,883 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 93,089 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,300 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 60,959 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,352 |
| Widest Countries East to West | 0 | - | 4.92 | 128,626 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,219 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,255 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,583 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,703 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,660 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,074 |
| Countries by Contribution to UN Budget | 0 | - | 4.86 | 69,055 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,590 |
| Countries with Double Letters | 0 | - | 4.97 | 93,432 |
| Countries that End in N | 0 | - | 4.94 | 156,928 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 258,735 |
| Countries with Six Letters | 0 | - | 4.93 | 210,403 |
| Countries with W | 0 | - | 4.97 | 158,259 |
| Countries with Z | 0 | - | 4.98 | 287,927 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,582 |
| Countries That End in U | 0 | - | 4.95 | 119,534 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,618 |
| Countries that End in O | 0 | - | 4.92 | 158,572 |
| Countries that End in R | 0 | - | 4.87 | 118,287 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,867 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,110 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,366 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,518 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,057 |
| Countries That End in Y | 0 | - | 4.90 | 185,221 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,416 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,716 |
| Countries that End in I | 0 | - | 4.94 | 134,435 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,246 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,212 |
| Countries That End in NIA | 0 | - | 4.92 | 109,024 |
| Countries That End in BIA | 0 | - | 4.92 | 147,734 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,097 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,507 |
| Countries That End in RIA | 0 | - | 4.93 | 126,101 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 110,030 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 225,234 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,544 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 124,906 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,388 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 73,947 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,145 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 102,672 |
