| NATO Countries | 0 | - | 4.98 | 279,309 |
| EU Countries Quiz | 0 | - | 4.99 | 272,903 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 287,446 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 271,899 |
| Top Five Countries by Religion | 0 | - | 4.93 | 170,757 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 147,996 |
| Countries with NO Military | 0 | - | 4.97 | 61,961 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,404 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,329,213 |
| Majority Muslim Countries | 0 | - | 4.98 | 373,215 |
| Landlocked Countries | 0 | - | 4.99 | 418,867 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,756,428 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,972 |
| Himalayan Countries | 0 | - | 4.94 | 137,393 |
| Andean Countries | 0 | - | 4.95 | 83,918 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,218 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,633 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,822 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,343 |
| Danube Countries | 0 | - | 4.97 | 71,651 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,538 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,048 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,631 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,721 |
| European Landlocked Countries | 0 | - | 4.99 | 146,771 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,125 |
| Countries with the Most Species | 0 | - | 4.99 | 102,902 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,259 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,430 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,585 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,296 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,982 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,356 |
| Countries in the Alps | 0 | - | 4.87 | 117,680 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,126 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,354 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,407 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,979 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,084 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,494 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,276 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,180 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,963 |
| Countries with the Most Christians | 0 | - | 4.92 | 142,794 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,547 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,474 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,335 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,917 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,181 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,202 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,165 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,058 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,567 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,509 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,329 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,206 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,992 |
| Countries with the Most Tanks | 0 | - | 4.91 | 107,136 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 50,360 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,663 |
| Largest Countries By Category | 0 | - | 4.97 | 157,623 |
| Countries by Countries | 0 | - | 4.96 | 62,830 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 319,815 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,899 |
| Buddhist Countries | 0 | - | 4.96 | 143,830 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,315 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 334,720 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 123,188 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,912 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,583 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 405,060 |
| Island Countries | 0 | - | 4.99 | 709,718 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,045,972 |
| Northernmost Countries | 0 | - | 4.99 | 360,427 |
| Countries of South America | 0 | - | 5.00 | 922,828 |
| Countries of Oceania | 0 | - | 5.00 | 1,050,880 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,866,124 |
| "Land" Countries | 0 | - | 4.98 | 335,782 |
| Countries with the Most Catholics | 0 | - | 4.90 | 109,093 |
| Orthodox Countries | 0 | - | 4.92 | 131,315 |
| Richest Island Countries | 0 | - | 4.84 | 100,306 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,375,548 |
| Monarchies of Europe | 0 | - | 4.90 | 97,968 |
| Monarchies of Asia | 0 | - | 4.97 | 70,987 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,534 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,779 |
| Countries with the Most Muslims | 0 | - | 4.95 | 160,156 |
| Countries with the Most Exports | 0 | - | 4.96 | 155,102 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 189,420 |
| Countries by Oil Consumption | 0 | - | 4.96 | 120,280 |
| Largest Economies in 2050 | 0 | - | 4.90 | 111,275 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 270,369 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 104,041 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 84,357 |
| Countries that Start with A | 0 | - | 4.98 | 2,158,899 |
| Countries that Start with B | 0 | - | 4.95 | 2,290,901 |
| Countries that Start with C | 0 | - | 4.96 | 1,819,207 |
| Countries that Start with D | 0 | - | 4.96 | 707,627 |
| Countries that Start with E | 0 | - | 4.95 | 1,374,845 |
| Countries that Start with G | 0 | - | 4.97 | 1,500,503 |
| Countries that Start with H | 0 | - | 4.96 | 603,080 |
| Countries that Start with I | 0 | - | 4.92 | 1,286,175 |
| Countries that Start with J | 0 | - | 4.98 | 600,937 |
| Countries that Start with K | 0 | - | 4.97 | 814,099 |
| Countries that Start with L | 0 | - | 4.98 | 1,088,903 |
| Countries that Start with N | 0 | - | 4.93 | 1,115,838 |
| Countries that Start with P | 0 | - | 4.94 | 1,214,349 |
| Countries that Start with S | 0 | - | 4.98 | 1,752,405 |
| Countries that Start with T | 0 | - | 4.90 | 1,008,479 |
| Countries that Start with U | 0 | - | 4.97 | 903,370 |
| Countries that Start with V | 0 | - | 4.98 | 608,414 |
| Countries that Start with F | 0 | - | 4.83 | 616,300 |
| Countries that Start with M | 0 | - | 4.97 | 1,379,631 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 111,466 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 194,906 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 118,168 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,006 |
| Countries with Megacities | 0 | - | 4.99 | 259,410 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,865 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,982 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,154 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,983 |
| Countries by Official Language | 0 | - | 4.95 | 194,634 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,511 |
| Countries in their Native Language | 0 | - | 4.99 | 198,172 |
| Independence from Whom | 0 | - | 4.99 | 211,288 |
| Subdivisions by Country | 0 | - | 4.86 | 50,286 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,690 |
| Megadiverse Countries | 0 | - | 4.96 | 134,756 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,535 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,180 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,749 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,015 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,704 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,377 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,965 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,838 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,480 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,986 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,939 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,709 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,989 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,769 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,146 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,025 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,485 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,923 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,631 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,312 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,513 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,666 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,821 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,258 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,277 |
| Widest Countries East to West | 0 | - | 4.92 | 129,367 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,380 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,952 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,989 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,507 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,213 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,539 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,229 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,725 |
| Countries with Double Letters | 0 | - | 4.97 | 95,077 |
| Countries that End in N | 0 | - | 4.95 | 169,970 |
| Countries with Five Letters | 0 | - | 4.96 | 280,130 |
| Countries with Six Letters | 0 | - | 4.94 | 212,463 |
| Countries with W | 0 | - | 4.97 | 159,515 |
| Countries with Z | 0 | - | 4.98 | 289,786 |
| Countries with Letters Missing | 0 | - | 4.96 | 185,727 |
| Countries That End in U | 0 | - | 4.95 | 120,407 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,738 |
| Countries that End in O | 0 | - | 4.92 | 159,190 |
| Countries that End in R | 0 | - | 4.87 | 118,729 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,507 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,315 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,096 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,074 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,658 |
| Countries That End in Y | 0 | - | 4.90 | 185,646 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,219 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,413 |
| Countries that End in I | 0 | - | 4.94 | 134,863 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 183,068 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,572 |
| Countries That End in NIA | 0 | - | 4.92 | 109,512 |
| Countries That End in BIA | 0 | - | 4.93 | 148,838 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,704 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,052 |
| Countries That End in RIA | 0 | - | 4.93 | 126,529 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,615 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 226,672 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,217 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,572 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,104 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,316 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,680 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,234 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,188 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 53,528 |
