| Countries with Nuclear Weapons | 0 | - | 4.86 | 269,796 |
| Countries with NO Military | 0 | - | 4.97 | 61,446 |
| Countries with the Most Tanks | 0 | - | 4.91 | 106,618 |
| NATO Countries | 0 | - | 4.98 | 277,553 |
| EU Countries Quiz | 0 | - | 4.99 | 271,142 |
| Top Five Countries by Religion | 0 | - | 4.93 | 169,747 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 147,220 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,089 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,092,407 |
| Majority Muslim Countries | 0 | - | 4.98 | 371,207 |
| Landlocked Countries | 0 | - | 4.99 | 415,758 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,734,145 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,482 |
| Himalayan Countries | 0 | - | 4.95 | 136,125 |
| Andean Countries | 0 | - | 4.95 | 83,242 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,559 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,741 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,249 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,887 |
| Danube Countries | 0 | - | 4.97 | 71,305 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,065 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,755 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,958 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,904 |
| European Landlocked Countries | 0 | - | 4.99 | 146,013 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,605 |
| Countries with the Most Species | 0 | - | 4.99 | 95,374 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,732 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,283 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,453 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,094 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,744 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,115 |
| Countries in the Alps | 0 | - | 4.86 | 117,187 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,811 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,688 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,183 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,629 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,436 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,178 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,865 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,926 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,728 |
| Countries with the Most Christians | 0 | - | 4.92 | 142,073 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,260 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,296 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,164 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,650 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,918 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,924 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,552 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,825 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,367 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,101 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 240,491 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,330 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,760 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 49,973 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,357 |
| Largest Countries By Category | 0 | - | 4.97 | 157,114 |
| Countries by Countries | 0 | - | 4.96 | 62,490 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 318,136 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,315 |
| Buddhist Countries | 0 | - | 4.96 | 143,268 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,005 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 333,658 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 122,559 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,171 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 373,220 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 403,020 |
| Island Countries | 0 | - | 4.99 | 708,499 |
| Countries in World War I | 0 | - | 4.88 | 227,112 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 227,945 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,042,283 |
| Northernmost Countries | 0 | - | 4.99 | 358,929 |
| Countries of South America | 0 | - | 5.00 | 918,465 |
| Countries of Oceania | 0 | - | 5.00 | 1,045,110 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,855,772 |
| "Land" Countries | 0 | - | 4.98 | 334,210 |
| Countries with U.S. Troops | 0 | - | 4.38 | 131,800 |
| Countries with the Most Catholics | 0 | - | 4.90 | 108,462 |
| Orthodox Countries | 0 | - | 4.92 | 130,751 |
| Richest Island Countries | 0 | - | 4.84 | 99,852 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,368,183 |
| Monarchies of Europe | 0 | - | 4.90 | 97,590 |
| Monarchies of Asia | 0 | - | 4.97 | 70,764 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,901 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,569 |
| Countries with the Most Muslims | 0 | - | 4.95 | 159,662 |
| Countries with the Most Exports | 0 | - | 4.96 | 154,577 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 188,884 |
| Countries by Oil Consumption | 0 | - | 4.96 | 119,746 |
| Largest Economies in 2050 | 0 | - | 4.90 | 110,890 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 267,412 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.95 | 103,555 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.90 | 83,976 |
| Countries that Start with A | 0 | - | 4.98 | 2,151,920 |
| Countries that Start with B | 0 | - | 4.95 | 2,284,358 |
| Countries that Start with C | 0 | - | 4.96 | 1,813,930 |
| Countries that Start with D | 0 | - | 4.96 | 704,029 |
| Countries that Start with E | 0 | - | 4.95 | 1,370,468 |
| Countries that Start with G | 0 | - | 4.97 | 1,495,978 |
| Countries that Start with H | 0 | - | 4.96 | 599,995 |
| Countries that Start with I | 0 | - | 4.92 | 1,282,710 |
| Countries that Start with J | 0 | - | 4.98 | 598,039 |
| Countries that Start with K | 0 | - | 4.97 | 811,267 |
| Countries that Start with L | 0 | - | 4.98 | 1,085,226 |
| Countries that Start with N | 0 | - | 4.93 | 1,112,138 |
| Countries that Start with P | 0 | - | 4.94 | 1,210,779 |
| Countries that Start with S | 0 | - | 4.98 | 1,747,721 |
| Countries that Start with T | 0 | - | 4.90 | 1,005,940 |
| Countries that Start with U | 0 | - | 4.97 | 901,331 |
| Countries that Start with V | 0 | - | 4.98 | 606,327 |
| Countries that Start with F | 0 | - | 4.83 | 613,878 |
| Countries that Start with M | 0 | - | 4.97 | 1,375,900 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 110,960 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 194,342 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 117,776 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,027 |
| Countries with Megacities | 0 | - | 4.99 | 248,464 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,915 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,421 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,304 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,361 |
| Countries by Official Language | 0 | - | 4.95 | 193,517 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 294,043 |
| Countries in their Native Language | 0 | - | 4.99 | 197,261 |
| Independence from Whom | 0 | - | 4.99 | 210,292 |
| Subdivisions by Country | 0 | - | 4.86 | 50,163 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,158 |
| Megadiverse Countries | 0 | - | 4.96 | 134,489 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,434 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,040 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,575 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,926 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,935 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,156 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,424 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,479 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,321 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,794 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 76,023 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,541 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,645 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,612 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,816 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,632 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,881 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,580 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,296 |
| Countries With the Most Languages | 0 | - | 4.89 | 200,465 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,167 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,365 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,550 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,102 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,572 |
| Widest Countries East to West | 0 | - | 4.92 | 129,070 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,302 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,551 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,668 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,897 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,889 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,274 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 76,905 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,652 |
| Countries with Double Letters | 0 | - | 4.96 | 93,769 |
| Countries that End in N | 0 | - | 4.94 | 157,209 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 259,146 |
| Countries with Six Letters | 0 | - | 4.93 | 210,795 |
| Countries with W | 0 | - | 4.97 | 158,473 |
| Countries with Z | 0 | - | 4.98 | 288,350 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,830 |
| Countries That End in U | 0 | - | 4.95 | 119,649 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,958 |
| Countries that End in O | 0 | - | 4.92 | 158,682 |
| Countries that End in R | 0 | - | 4.87 | 118,400 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,951 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,505 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,603 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,698 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,258 |
| Countries That End in Y | 0 | - | 4.90 | 185,310 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,688 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,969 |
| Countries that End in I | 0 | - | 4.94 | 134,578 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,555 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,338 |
| Countries That End in NIA | 0 | - | 4.92 | 109,177 |
| Countries That End in BIA | 0 | - | 4.92 | 148,164 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,317 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,683 |
| Countries That End in RIA | 0 | - | 4.93 | 126,232 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,221 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 225,859 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,738 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,092 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,647 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,059 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,329 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 102,846 |
