| NATO Countries | 0 | - | 4.98 | 281,673 |
| EU Countries Quiz | 0 | - | 4.99 | 275,702 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 289,461 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 274,641 |
| Top Five Countries by Religion | 0 | - | 4.93 | 172,301 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 149,011 |
| Countries with NO Military | 0 | - | 4.97 | 62,675 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,813 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,609,996 |
| Majority Muslim Countries | 0 | - | 4.98 | 375,701 |
| Landlocked Countries | 0 | - | 4.99 | 422,321 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,781,162 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,692 |
| Himalayan Countries | 0 | - | 4.95 | 138,897 |
| Andean Countries | 0 | - | 4.93 | 84,711 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,914 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,973 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,533 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,872 |
| Danube Countries | 0 | - | 4.97 | 72,059 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,075 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,468 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,376 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,867 |
| European Landlocked Countries | 0 | - | 4.99 | 147,188 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,715 |
| Countries with the Most Species | 0 | - | 4.99 | 103,271 |
| Countries 197 to 205 | 0 | - | 4.90 | 70,833 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,613 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,735 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,574 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,261 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,707 |
| Countries in the Alps | 0 | - | 4.87 | 118,263 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,342 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,095 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,692 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,634 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,556 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,978 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,715 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,538 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,202 |
| Countries with the Most Christians | 0 | - | 4.92 | 143,638 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,889 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,673 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,547 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,257 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,509 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,568 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,985 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,342 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 64,212 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,137 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,114 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,226 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,261 |
| Countries with the Most Tanks | 0 | - | 4.91 | 107,724 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 50,757 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,927 |
| Largest Countries By Category | 0 | - | 4.97 | 158,276 |
| Countries by Countries | 0 | - | 4.96 | 63,272 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 321,840 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 88,553 |
| Buddhist Countries | 0 | - | 4.96 | 144,643 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,708 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 336,001 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 124,029 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,839 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,611 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 407,557 |
| Island Countries | 0 | - | 4.99 | 711,163 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,050,302 |
| Northernmost Countries | 0 | - | 4.99 | 362,116 |
| Countries of South America | 0 | - | 5.00 | 927,809 |
| Countries of Oceania | 0 | - | 5.00 | 1,057,598 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,878,408 |
| "Land" Countries | 0 | - | 4.98 | 337,433 |
| Countries with the Most Catholics | 0 | - | 4.90 | 109,826 |
| Orthodox Countries | 0 | - | 4.92 | 132,290 |
| Richest Island Countries | 0 | - | 4.85 | 100,814 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,384,518 |
| Monarchies of Europe | 0 | - | 4.90 | 98,374 |
| Monarchies of Asia | 0 | - | 4.97 | 71,236 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 123,161 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,039 |
| Countries with the Most Muslims | 0 | - | 4.95 | 160,697 |
| Countries with the Most Exports | 0 | - | 4.96 | 155,681 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 190,008 |
| Countries by Oil Consumption | 0 | - | 4.96 | 120,540 |
| Largest Economies in 2050 | 0 | - | 4.90 | 111,616 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 272,735 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 104,546 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 84,736 |
| Countries that Start with A | 0 | - | 4.98 | 2,167,180 |
| Countries that Start with B | 0 | - | 4.95 | 2,298,539 |
| Countries that Start with C | 0 | - | 4.96 | 1,825,372 |
| Countries that Start with D | 0 | - | 4.96 | 712,016 |
| Countries that Start with E | 0 | - | 4.95 | 1,379,980 |
| Countries that Start with G | 0 | - | 4.97 | 1,506,221 |
| Countries that Start with H | 0 | - | 4.96 | 606,431 |
| Countries that Start with I | 0 | - | 4.92 | 1,290,486 |
| Countries that Start with J | 0 | - | 4.98 | 604,024 |
| Countries that Start with K | 0 | - | 4.97 | 817,576 |
| Countries that Start with L | 0 | - | 4.98 | 1,092,838 |
| Countries that Start with N | 0 | - | 4.93 | 1,119,911 |
| Countries that Start with P | 0 | - | 4.94 | 1,218,276 |
| Countries that Start with S | 0 | - | 4.98 | 1,757,854 |
| Countries that Start with T | 0 | - | 4.90 | 1,011,460 |
| Countries that Start with U | 0 | - | 4.97 | 905,791 |
| Countries that Start with V | 0 | - | 4.98 | 610,247 |
| Countries that Start with F | 0 | - | 4.83 | 618,885 |
| Countries that Start with M | 0 | - | 4.97 | 1,384,053 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 112,036 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 195,526 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 118,622 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,981 |
| Countries with Megacities | 0 | - | 4.99 | 264,763 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,823 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,517 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,078 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,593 |
| Countries by Official Language | 0 | - | 4.95 | 195,316 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,474 |
| Countries in their Native Language | 0 | - | 4.99 | 199,110 |
| Independence from Whom | 0 | - | 4.99 | 212,178 |
| Subdivisions by Country | 0 | - | 4.86 | 50,440 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,793 |
| Megadiverse Countries | 0 | - | 4.96 | 135,047 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,158 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,377 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,253 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,120 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,179 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,615 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,519 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,052 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,677 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,160 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,737 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,909 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,224 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,985 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,373 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,383 |
| Southernmost Countries of the World | 0 | - | 4.99 | 228,157 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,316 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,029 |
| Countries With the Most Languages | 0 | - | 4.90 | 202,299 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,929 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,041 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,324 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,463 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,598 |
| Widest Countries East to West | 0 | - | 4.92 | 129,684 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,464 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,423 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,133 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,790 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,625 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,905 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,384 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,807 |
| Countries with Double Letters | 0 | - | 4.96 | 96,297 |
| Countries that End in N | 0 | - | 4.95 | 171,191 |
| Countries with Five Letters | 0 | - | 4.96 | 282,611 |
| Countries with Six Letters | 0 | - | 4.94 | 213,629 |
| Countries with W | 0 | - | 4.97 | 160,377 |
| Countries with Z | 0 | - | 4.98 | 291,537 |
| Countries with Letters Missing | 0 | - | 4.96 | 186,749 |
| Countries That End in U | 0 | - | 4.95 | 120,870 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 134,510 |
| Countries that End in O | 0 | - | 4.92 | 159,529 |
| Countries that End in R | 0 | - | 4.87 | 118,977 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,745 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,159 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,723 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,497 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,417 |
| Countries That End in Y | 0 | - | 4.91 | 185,890 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,962 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,889 |
| Countries that End in I | 0 | - | 4.94 | 135,112 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 184,145 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,833 |
| Countries That End in NIA | 0 | - | 4.92 | 109,802 |
| Countries That End in BIA | 0 | - | 4.93 | 149,233 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,142 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,447 |
| Countries That End in RIA | 0 | - | 4.93 | 126,821 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 111,039 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 227,698 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,743 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 126,166 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,723 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,589 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 53,051 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,451 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,439 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 54,006 |