| Majority Muslim Countries | 0 | - | 4.98 | 378,012 |
| NATO Countries | 0 | - | 4.98 | 283,691 |
| EU Countries Quiz | 0 | - | 4.99 | 278,256 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 291,617 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 277,295 |
| Top Five Countries by Religion | 0 | - | 4.93 | 173,587 |
| Countries with the Most Elite Universities | 0 | - | 4.95 | 149,870 |
| Countries with NO Military | 0 | - | 4.97 | 63,496 |
| Countries by Number of Books Published | 0 | - | 4.95 | 73,135 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,920,834 |
| Landlocked Countries | 0 | - | 4.99 | 426,563 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 324,019 |
| Countries with the Most Billionaires | 0 | - | 4.91 | 337,094 |
| Countries with the Most Christians | 0 | - | 4.93 | 144,800 |
| Countries with the Most Tanks | 0 | - | 4.91 | 108,372 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 51,214 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 75,185 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 89,227 |
| Buddhist Countries | 0 | - | 4.96 | 145,167 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 124,785 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,807,921 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,406 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,553 |
| Himalayan Countries | 0 | - | 4.93 | 140,487 |
| Andean Countries | 0 | - | 4.94 | 85,622 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,755 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,223 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,319 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,551 |
| Danube Countries | 0 | - | 4.97 | 72,472 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,684 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,903 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,269 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,739 |
| European Landlocked Countries | 0 | - | 4.99 | 147,671 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,400 |
| Countries with the Most Species | 0 | - | 4.99 | 103,605 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,510 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,791 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,913 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,877 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,616 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,072 |
| Countries in the Alps | 0 | - | 4.87 | 118,858 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,795 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,996 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 79,012 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,091 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,040 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,323 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,471 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,925 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,465 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,238 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,916 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,782 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,613 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,850 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,951 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,996 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,660 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 75,598 |
| Countries with the Most Catholics | 0 | - | 4.90 | 110,506 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,753 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,955 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,310 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,554 |
| Largest Countries By Category | 0 | - | 4.97 | 158,953 |
| Orthodox Countries | 0 | - | 4.92 | 132,868 |
| Countries by Countries | 0 | - | 4.97 | 63,712 |
| Richest Island Countries | 0 | - | 4.85 | 101,280 |
| Monarchies of Europe | 0 | - | 4.90 | 98,939 |
| Monarchies of Asia | 0 | - | 4.97 | 71,544 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 238,351 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 227,244 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 124,203 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,154 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,317 |
| Countries with the Most Muslims | 0 | - | 4.95 | 161,266 |
| Countries with the Most Exports | 0 | - | 4.96 | 156,250 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 190,548 |
| Countries by Oil Consumption | 0 | - | 4.96 | 122,268 |
| Largest Economies in 2050 | 0 | - | 4.88 | 111,975 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 275,148 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 105,057 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 85,143 |
| Countries that Start with A | 0 | - | 4.98 | 2,176,890 |
| Countries that Start with B | 0 | - | 4.95 | 2,307,588 |
| Countries that Start with C | 0 | - | 4.96 | 1,832,343 |
| Countries that Start with D | 0 | - | 4.96 | 717,040 |
| Countries that Start with E | 0 | - | 4.95 | 1,385,804 |
| Countries that Start with G | 0 | - | 4.97 | 1,512,282 |
| Countries that Start with H | 0 | - | 4.96 | 609,999 |
| Countries that Start with I | 0 | - | 4.92 | 1,295,122 |
| Countries that Start with J | 0 | - | 4.98 | 607,394 |
| Countries that Start with K | 0 | - | 4.97 | 821,208 |
| Countries that Start with L | 0 | - | 4.98 | 1,097,396 |
| Countries that Start with N | 0 | - | 4.93 | 1,124,454 |
| Countries that Start with P | 0 | - | 4.94 | 1,222,598 |
| Countries that Start with S | 0 | - | 4.98 | 1,763,941 |
| Countries that Start with T | 0 | - | 4.90 | 1,015,349 |
| Countries that Start with U | 0 | - | 4.97 | 908,820 |
| Countries that Start with V | 0 | - | 4.98 | 612,260 |
| Countries that Start with F | 0 | - | 4.83 | 621,629 |
| Countries that Start with M | 0 | - | 4.97 | 1,388,884 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 112,609 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 196,229 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 119,152 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 335,975 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,856 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 410,002 |
| Island Countries | 0 | - | 4.99 | 712,761 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,395,293 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,055,385 |
| Northernmost Countries | 0 | - | 4.99 | 364,290 |
| Countries of South America | 0 | - | 5.00 | 933,415 |
| Countries of Oceania | 0 | - | 5.00 | 1,064,411 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,891,009 |
| "Land" Countries | 0 | - | 4.98 | 338,547 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,886 |
| Richest Countries A-Z | 0 | - | 4.91 | 104,121 |
| Large Countries with Small Economies | 0 | - | 4.95 | 81,325 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,971 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,864 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,782 |
| Richest Countries Bordering Each Other | 0 | - | 4.99 | 154,946 |
| Rich Countries Bordering Poor Countries | 0 | - | 4.89 | 100,648 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 76,709 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,454,997 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,710 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,321 |
| Countries with Megacities | 0 | - | 4.99 | 267,466 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,987 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,228 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,318 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,332 |
| Countries by Official Language | 0 | - | 4.95 | 196,120 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,783 |
| Countries in their Native Language | 0 | - | 4.99 | 199,844 |
| Independence from Whom | 0 | - | 4.99 | 213,226 |
| Subdivisions by Country | 0 | - | 4.87 | 50,642 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,559 |
| Megadiverse Countries | 0 | - | 4.96 | 145,183 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 133,033 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,556 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,749 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,238 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 164,347 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,890 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,183 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,592 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 96,122 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,275 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,639 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 108,433 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,465 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,177 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,602 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,915 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 112,534 |
| Smallest Countries with at Least One Border | 0 | - | 4.88 | 107,758 |
| Southernmost Countries of the World | 0 | - | 4.99 | 229,380 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 106,156 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,621 |
| Countries With the Most Languages | 0 | - | 4.90 | 203,733 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,484 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,604 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,789 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,728 |
| Tallest Countries North to South | 0 | - | 4.85 | 130,847 |
| Widest Countries East to West | 0 | - | 4.92 | 130,778 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,616 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,306 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,536 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 95,098 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 149,040 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,535 |
| Countries by Contribution to UN Budget | 0 | - | 4.88 | 77,517 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,908 |
| Countries with Double Letters | 0 | - | 4.96 | 97,227 |
| Countries that End in N | 0 | - | 4.95 | 172,326 |
| Countries with Five Letters | 0 | - | 4.96 | 284,193 |
| Countries with Six Letters | 0 | - | 4.94 | 214,635 |
| Countries with W | 0 | - | 4.96 | 161,057 |
| Countries with Z | 0 | - | 4.98 | 292,621 |
| Countries with Letters Missing | 0 | - | 4.96 | 187,395 |
| Countries That End in U | 0 | - | 4.95 | 121,248 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 135,204 |
| Countries that End in O | 0 | - | 4.92 | 160,269 |
| Countries that End in R | 0 | - | 4.87 | 119,216 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,979 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,967 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 171,469 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,883 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,817 |
| Countries That End in Y | 0 | - | 4.91 | 186,114 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 198,543 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 153,327 |
| Countries that End in I | 0 | - | 4.94 | 135,362 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 184,699 |
