| NATO Countries | 0 | - | 4.98 | 277,204 |
| EU Countries Quiz | 0 | - | 4.99 | 270,885 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,049,361 |
| Majority Muslim Countries | 0 | - | 4.98 | 370,808 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 285,711 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 269,428 |
| Top Five Countries by Religion | 0 | - | 4.93 | 169,579 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 147,111 |
| Countries with NO Military | 0 | - | 4.97 | 61,362 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,040 |
| Landlocked Countries | 0 | - | 4.99 | 415,278 |
| OPEC Countries | 0 | - | 4.74 | 84,876 |
| Countries with the Most Christians | 0 | - | 4.92 | 141,912 |
| Countries with the Most Tanks | 0 | - | 4.91 | 106,532 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 49,898 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,301 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 317,796 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,203 |
| Buddhist Countries | 0 | - | 4.96 | 143,198 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 333,447 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 122,436 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,730,051 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,031 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,737 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,462 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,256 |
| Himalayan Countries | 0 | - | 4.95 | 135,948 |
| Andean Countries | 0 | - | 4.94 | 83,159 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,476 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,610 |
| Coffee Producing Countries | 0 | - | 4.82 | 66,176 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,822 |
| Danube Countries | 0 | - | 4.97 | 71,256 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 115,986 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,705 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,843 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,779 |
| European Landlocked Countries | 0 | - | 4.99 | 145,953 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,503 |
| Countries with the Most Species | 0 | - | 4.99 | 95,338 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,631 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,267 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,439 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,061 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,711 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,067 |
| Countries in the Alps | 0 | - | 4.86 | 117,109 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,751 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,572 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,154 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,576 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,370 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,131 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,788 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,890 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,682 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,203 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,271 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,137 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,610 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,874 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,886 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,443 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,792 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,348 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,012 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 240,212 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,168 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,719 |
| Largest Countries By Category | 0 | - | 4.97 | 157,011 |
| Countries by Countries | 0 | - | 4.96 | 62,432 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,930 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 325,739 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,759 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 402,724 |
| Island Countries | 0 | - | 4.99 | 708,295 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,041,591 |
| Northernmost Countries | 0 | - | 4.99 | 358,649 |
| Countries of South America | 0 | - | 5.00 | 917,662 |
| Countries of Oceania | 0 | - | 5.00 | 1,043,997 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,853,998 |
| "Land" Countries | 0 | - | 4.98 | 334,079 |
| Countries that Start with A | 0 | - | 4.98 | 2,150,688 |
| Countries that Start with B | 0 | - | 4.95 | 2,283,294 |
| Countries that Start with C | 0 | - | 4.96 | 1,813,066 |
| Countries that Start with D | 0 | - | 4.96 | 703,453 |
| Countries that Start with E | 0 | - | 4.95 | 1,369,771 |
| Countries that Start with G | 0 | - | 4.97 | 1,495,235 |
| Countries that Start with H | 0 | - | 4.96 | 599,525 |
| Countries that Start with I | 0 | - | 4.92 | 1,282,128 |
| Countries that Start with J | 0 | - | 4.98 | 597,569 |
| Countries that Start with K | 0 | - | 4.97 | 810,808 |
| Countries that Start with L | 0 | - | 4.98 | 1,084,673 |
| Countries that Start with N | 0 | - | 4.93 | 1,111,600 |
| Countries that Start with P | 0 | - | 4.94 | 1,210,263 |
| Countries that Start with S | 0 | - | 4.98 | 1,746,997 |
| Countries that Start with T | 0 | - | 4.90 | 1,005,525 |
| Countries that Start with U | 0 | - | 4.97 | 900,984 |
| Countries that Start with V | 0 | - | 4.98 | 606,064 |
| Countries that Start with F | 0 | - | 4.83 | 613,500 |
| Countries that Start with M | 0 | - | 4.97 | 1,375,326 |
| Countries with the Most Catholics | 0 | - | 4.90 | 108,364 |
| Orthodox Countries | 0 | - | 4.91 | 130,662 |
| Richest Island Countries | 0 | - | 4.84 | 99,781 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,366,794 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 47,990 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 95,796 |
| Monarchies of Europe | 0 | - | 4.90 | 97,534 |
| Monarchies of Asia | 0 | - | 4.97 | 70,722 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,765 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,537 |
| Countries with the Most Muslims | 0 | - | 4.95 | 159,577 |
| Countries with the Most Exports | 0 | - | 4.96 | 154,475 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 188,761 |
| Countries by Oil Consumption | 0 | - | 4.96 | 119,695 |
| Largest Economies in 2050 | 0 | - | 4.90 | 110,820 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 266,260 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.95 | 103,471 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.90 | 83,905 |
| Shortest Country Name A-Z | 0 | - | 5.00 | 235,403 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 134,246 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 110,880 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 194,246 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 117,704 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,879 |
| Countries with Megacities | 0 | - | 4.99 | 248,122 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,762 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,340 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,148 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,283 |
| Countries by Official Language | 0 | - | 4.95 | 193,159 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,675 |
| Countries in their Native Language | 0 | - | 4.99 | 196,991 |
| Independence from Whom | 0 | - | 4.99 | 210,126 |
| Subdivisions by Country | 0 | - | 4.86 | 50,143 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,044 |
| Megadiverse Countries | 0 | - | 4.97 | 134,383 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,152 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,006 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,535 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,903 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,874 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,119 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,318 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,432 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,297 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,785 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 75,903 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,515 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,618 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,580 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,792 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,265 |
| Richest Countries A-Z | 0 | - | 4.92 | 102,170 |
| Large Countries with Small Economies | 0 | - | 4.94 | 80,460 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,575 |
| Communist Countries in History | 0 | - | 4.63 | 493,302 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,769 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,509 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,226 |
| Countries With the Most Languages | 0 | - | 4.89 | 200,292 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,104 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,304 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,491 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,073 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,522 |
| Widest Countries East to West | 0 | - | 4.92 | 129,018 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,283 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,475 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,647 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,859 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,815 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,220 |
| Countries by Contribution to UN Budget | 0 | - | 4.89 | 76,593 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,641 |
| Countries with Double Letters | 0 | - | 4.96 | 93,673 |
| Countries that End in N | 0 | - | 4.94 | 157,135 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 259,022 |
| Countries with Six Letters | 0 | - | 4.93 | 210,683 |
| Countries with W | 0 | - | 4.97 | 158,417 |
| Countries with Z | 0 | - | 4.98 | 288,232 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,751 |
| Countries That End in U | 0 | - | 4.95 | 119,611 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,868 |
| Countries that End in O | 0 | - | 4.92 | 158,657 |
| Countries that End in R | 0 | - | 4.87 | 118,376 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,934 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,404 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,553 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,645 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,197 |
| Countries That End in Y | 0 | - | 4.90 | 185,284 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,615 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,892 |
| Countries that End in I | 0 | - | 4.94 | 134,541 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,466 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,298 |
| Countries That End in NIA | 0 | - | 4.92 | 109,116 |
| Countries That End in BIA | 0 | - | 4.92 | 147,847 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,253 |
