| Majority Muslim Countries | 0 | - | 4.98 | 373,100 |
| Top Five Countries by Religion | 0 | - | 4.93 | 170,690 |
| Countries with the Most Christians | 0 | - | 4.92 | 142,760 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,850 |
| Countries with the Most Catholics | 0 | - | 4.90 | 109,051 |
| Orthodox Countries | 0 | - | 4.92 | 131,275 |
| Countries with the Most Muslims | 0 | - | 4.95 | 160,122 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 111,435 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,317,708 |
| NATO Countries | 0 | - | 4.98 | 279,198 |
| EU Countries Quiz | 0 | - | 4.99 | 272,823 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 287,384 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 271,811 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 147,953 |
| Countries with NO Military | 0 | - | 4.97 | 61,934 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,382 |
| Landlocked Countries | 0 | - | 4.99 | 418,665 |
| Countries with the Most Tanks | 0 | - | 4.91 | 107,108 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 50,339 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,641 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 319,697 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 334,593 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 123,159 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,755,284 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,866 |
| Himalayan Countries | 0 | - | 4.94 | 137,308 |
| Andean Countries | 0 | - | 4.95 | 83,873 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,146 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,552 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,791 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,313 |
| Danube Countries | 0 | - | 4.97 | 71,624 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,509 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,029 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,593 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,666 |
| European Landlocked Countries | 0 | - | 4.99 | 146,741 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,095 |
| Countries with the Most Species | 0 | - | 4.99 | 102,879 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,226 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,424 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,576 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,286 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,962 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,343 |
| Countries in the Alps | 0 | - | 4.87 | 117,641 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,105 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,317 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,390 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,958 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,059 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,427 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,248 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,161 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,947 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,529 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,459 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,324 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,902 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,174 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,186 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,133 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,045 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,556 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,486 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,258 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,162 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,980 |
| Largest Countries By Category | 0 | - | 4.97 | 157,590 |
| Countries by Countries | 0 | - | 4.96 | 62,816 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,300 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,759 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,531 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 404,966 |
| Island Countries | 0 | - | 4.99 | 709,641 |
| Sharia Law Countries | 0 | - | 4.48 | 63,589 |
| Countries with the Most Cathedrals | 0 | - | 4.49 | 45,366 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,045,794 |
| Northernmost Countries | 0 | - | 4.99 | 360,364 |
| Countries of South America | 0 | - | 5.00 | 922,583 |
| Countries of Oceania | 0 | - | 5.00 | 1,050,597 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,865,608 |
| "Land" Countries | 0 | - | 4.98 | 335,739 |
| Countries that Start with A | 0 | - | 4.98 | 2,158,580 |
| Countries that Start with B | 0 | - | 4.95 | 2,290,585 |
| Countries that Start with C | 0 | - | 4.96 | 1,818,927 |
| Countries that Start with D | 0 | - | 4.96 | 707,436 |
| Countries that Start with E | 0 | - | 4.95 | 1,374,629 |
| Countries that Start with G | 0 | - | 4.97 | 1,500,292 |
| Countries that Start with H | 0 | - | 4.96 | 602,919 |
| Countries that Start with I | 0 | - | 4.92 | 1,285,991 |
| Countries that Start with J | 0 | - | 4.98 | 600,769 |
| Countries that Start with K | 0 | - | 4.97 | 813,853 |
| Countries that Start with L | 0 | - | 4.98 | 1,088,711 |
| Countries that Start with N | 0 | - | 4.93 | 1,115,658 |
| Countries that Start with P | 0 | - | 4.94 | 1,214,162 |
| Countries that Start with S | 0 | - | 4.98 | 1,752,196 |
| Countries that Start with T | 0 | - | 4.90 | 1,008,363 |
| Countries that Start with U | 0 | - | 4.97 | 903,258 |
| Countries that Start with V | 0 | - | 4.98 | 608,322 |
| Countries that Start with F | 0 | - | 4.83 | 616,186 |
| Countries that Start with M | 0 | - | 4.97 | 1,379,430 |
| Richest Island Countries | 0 | - | 4.84 | 100,289 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,375,179 |
| Monarchies of Europe | 0 | - | 4.90 | 97,942 |
| Monarchies of Asia | 0 | - | 4.97 | 70,972 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,504 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,772 |
| Countries with the Most Exports | 0 | - | 4.96 | 155,080 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 189,390 |
| Countries by Oil Consumption | 0 | - | 4.96 | 120,270 |
| Largest Economies in 2050 | 0 | - | 4.90 | 111,253 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 270,235 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 104,017 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 84,344 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 194,876 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 118,151 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,942 |
| Countries with Megacities | 0 | - | 4.99 | 257,992 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,815 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,940 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,100 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,952 |
| Countries by Official Language | 0 | - | 4.95 | 194,596 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,468 |
| Countries in their Native Language | 0 | - | 4.99 | 198,139 |
| Independence from Whom | 0 | - | 4.99 | 211,251 |
| Subdivisions by Country | 0 | - | 4.86 | 50,275 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,656 |
| Megadiverse Countries | 0 | - | 4.96 | 134,750 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,514 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,173 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,735 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,007 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,678 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,361 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,940 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,828 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,469 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,978 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,899 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,700 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,428 |
| Catholic Countries | 0 | - | 4.78 | 214,590 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,973 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,758 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,902 |
| Richest Countries A-Z | 0 | - | 4.91 | 102,728 |
| Large Countries with Small Economies | 0 | - | 4.95 | 80,758 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,010 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,456 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,902 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,615 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,275 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,494 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,653 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,806 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,248 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,261 |
| Widest Countries East to West | 0 | - | 4.92 | 129,343 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,376 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,931 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,984 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,497 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,189 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,524 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,222 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,724 |
| Countries with Double Letters | 0 | - | 4.97 | 95,047 |
| Countries that End in N | 0 | - | 4.95 | 169,910 |
| Countries with Five Letters | 0 | - | 4.96 | 279,899 |
| Countries with Six Letters | 0 | - | 4.94 | 212,431 |
| Countries with W | 0 | - | 4.97 | 159,496 |
| Countries with Z | 0 | - | 4.98 | 289,752 |
| Countries with Letters Missing | 0 | - | 4.96 | 185,696 |
| Countries That End in U | 0 | - | 4.95 | 120,396 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,718 |
| Countries that End in O | 0 | - | 4.92 | 159,181 |
| Countries that End in R | 0 | - | 4.87 | 118,726 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,501 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,277 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,078 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,064 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,651 |
| Countries That End in Y | 0 | - | 4.90 | 185,639 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,194 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,395 |
| Countries that End in I | 0 | - | 4.94 | 134,852 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 183,043 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,565 |
| Countries That End in NIA | 0 | - | 4.92 | 109,499 |
| Countries That End in BIA | 0 | - | 4.93 | 148,824 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,685 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,026 |
| Countries That End in RIA | 0 | - | 4.93 | 126,518 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,602 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 226,625 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,189 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,534 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,084 |
