| Countries with Nuclear Weapons | 0 | - | 4.86 | 271,405 |
| Countries with NO Military | 0 | - | 4.97 | 61,848 |
| Countries with the Most Tanks | 0 | - | 4.91 | 107,021 |
| NATO Countries | 0 | - | 4.98 | 278,897 |
| EU Countries Quiz | 0 | - | 4.99 | 272,502 |
| Top Five Countries by Religion | 0 | - | 4.93 | 170,534 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 147,799 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,335 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,273,640 |
| Majority Muslim Countries | 0 | - | 4.98 | 372,757 |
| Landlocked Countries | 0 | - | 4.99 | 418,062 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,751,404 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,561 |
| Himalayan Countries | 0 | - | 4.94 | 137,046 |
| Andean Countries | 0 | - | 4.95 | 83,742 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,993 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,362 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,666 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,237 |
| Danube Countries | 0 | - | 4.97 | 71,565 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,419 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,977 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,492 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,548 |
| European Landlocked Countries | 0 | - | 4.99 | 146,672 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,003 |
| Countries with the Most Species | 0 | - | 4.99 | 102,754 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,143 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,389 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,555 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,251 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,921 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,304 |
| Countries in the Alps | 0 | - | 4.87 | 117,557 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,044 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,198 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,361 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,893 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,002 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,386 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,169 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,114 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,919 |
| Countries with the Most Christians | 0 | - | 4.92 | 142,630 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,480 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,437 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,299 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,858 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,121 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,147 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,003 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,997 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,520 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,407 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 241,907 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,019 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,930 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 50,272 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,574 |
| Largest Countries By Category | 0 | - | 4.97 | 157,510 |
| Countries by Countries | 0 | - | 4.96 | 62,761 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 319,436 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,766 |
| Buddhist Countries | 0 | - | 4.96 | 143,610 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,245 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 334,424 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 123,034 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,200 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,369 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 404,653 |
| Island Countries | 0 | - | 4.99 | 709,377 |
| Countries in World War I | 0 | - | 4.88 | 227,720 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 228,589 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,045,089 |
| Northernmost Countries | 0 | - | 4.99 | 360,094 |
| Countries of South America | 0 | - | 5.00 | 921,839 |
| Countries of Oceania | 0 | - | 5.00 | 1,049,672 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,863,751 |
| "Land" Countries | 0 | - | 4.98 | 335,578 |
| Countries with U.S. Troops | 0 | - | 4.38 | 131,951 |
| Countries with the Most Catholics | 0 | - | 4.90 | 108,950 |
| Orthodox Countries | 0 | - | 4.92 | 131,175 |
| Richest Island Countries | 0 | - | 4.84 | 100,202 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,373,803 |
| Monarchies of Europe | 0 | - | 4.90 | 97,869 |
| Monarchies of Asia | 0 | - | 4.97 | 70,922 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,414 |
| Asian Country Superlatives | 0 | - | 4.85 | 80,743 |
| Countries with the Most Muslims | 0 | - | 4.95 | 160,030 |
| Countries with the Most Exports | 0 | - | 4.96 | 154,971 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 189,280 |
| Countries by Oil Consumption | 0 | - | 4.96 | 120,010 |
| Largest Economies in 2050 | 0 | - | 4.90 | 111,177 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 269,803 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 103,926 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 84,282 |
| Countries that Start with A | 0 | - | 4.98 | 2,157,228 |
| Countries that Start with B | 0 | - | 4.95 | 2,289,221 |
| Countries that Start with C | 0 | - | 4.96 | 1,817,876 |
| Countries that Start with D | 0 | - | 4.96 | 706,716 |
| Countries that Start with E | 0 | - | 4.95 | 1,373,742 |
| Countries that Start with G | 0 | - | 4.97 | 1,499,367 |
| Countries that Start with H | 0 | - | 4.96 | 602,260 |
| Countries that Start with I | 0 | - | 4.92 | 1,285,292 |
| Countries that Start with J | 0 | - | 4.98 | 600,213 |
| Countries that Start with K | 0 | - | 4.97 | 813,326 |
| Countries that Start with L | 0 | - | 4.98 | 1,088,078 |
| Countries that Start with N | 0 | - | 4.93 | 1,115,014 |
| Countries that Start with P | 0 | - | 4.94 | 1,213,486 |
| Countries that Start with S | 0 | - | 4.98 | 1,751,233 |
| Countries that Start with T | 0 | - | 4.90 | 1,007,866 |
| Countries that Start with U | 0 | - | 4.97 | 902,841 |
| Countries that Start with V | 0 | - | 4.98 | 607,951 |
| Countries that Start with F | 0 | - | 4.83 | 615,735 |
| Countries that Start with M | 0 | - | 4.97 | 1,378,677 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 111,356 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 194,768 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 118,084 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,725 |
| Countries with Megacities | 0 | - | 4.99 | 249,853 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,559 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,810 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,877 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,803 |
| Countries by Official Language | 0 | - | 4.95 | 194,474 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,308 |
| Countries in their Native Language | 0 | - | 4.99 | 198,042 |
| Independence from Whom | 0 | - | 4.99 | 211,149 |
| Subdivisions by Country | 0 | - | 4.86 | 50,253 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,576 |
| Megadiverse Countries | 0 | - | 4.96 | 134,708 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,169 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,148 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,706 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,992 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,621 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,319 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,844 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,768 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,450 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,936 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,700 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,665 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,903 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,737 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,069 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,942 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,328 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,832 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,555 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,097 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,440 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,609 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,755 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,219 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,219 |
| Widest Countries East to West | 0 | - | 4.92 | 129,285 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,368 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,846 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,973 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,452 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,129 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,477 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,201 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,708 |
| Countries with Double Letters | 0 | - | 4.97 | 94,930 |
| Countries that End in N | 0 | - | 4.95 | 169,566 |
| Countries with Five Letters | 0 | - | 4.96 | 278,738 |
| Countries with Six Letters | 0 | - | 4.94 | 212,276 |
| Countries with W | 0 | - | 4.97 | 159,398 |
| Countries with Z | 0 | - | 4.98 | 289,611 |
| Countries with Letters Missing | 0 | - | 4.96 | 185,600 |
| Countries That End in U | 0 | - | 4.95 | 120,349 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,615 |
| Countries that End in O | 0 | - | 4.92 | 159,144 |
| Countries that End in R | 0 | - | 4.87 | 118,682 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,468 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,180 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,016 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,015 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,597 |
| Countries That End in Y | 0 | - | 4.90 | 185,605 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,112 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,326 |
| Countries that End in I | 0 | - | 4.94 | 134,820 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,954 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,532 |
| Countries That End in NIA | 0 | - | 4.92 | 109,454 |
| Countries That End in BIA | 0 | - | 4.93 | 148,766 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,624 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,983 |
| Countries That End in RIA | 0 | - | 4.93 | 126,463 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,557 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 226,485 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,112 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,452 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,016 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,269 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,601 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,161 |
