| Countries of the World Quiz | 0 | - | 5.00 | 47,030,698 |
| Countries with the Most Christians | 0 | - | 4.92 | 141,830 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,145 |
| Landlocked Countries | 0 | - | 4.99 | 415,025 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,728,144 |
| Countries that Start with A | 0 | - | 4.98 | 2,150,192 |
| Countries that Start with B | 0 | - | 4.95 | 2,282,816 |
| Countries that Start with C | 0 | - | 4.96 | 1,812,690 |
| Countries that Start with D | 0 | - | 4.96 | 703,191 |
| Countries that Start with E | 0 | - | 4.95 | 1,369,467 |
| Countries that Start with G | 0 | - | 4.97 | 1,494,890 |
| Countries that Start with H | 0 | - | 4.96 | 599,280 |
| Countries that Start with I | 0 | - | 4.92 | 1,281,872 |
| Countries that Start with J | 0 | - | 4.98 | 597,354 |
| Countries that Start with K | 0 | - | 4.97 | 810,618 |
| Countries that Start with L | 0 | - | 4.98 | 1,084,423 |
| Countries that Start with N | 0 | - | 4.93 | 1,111,341 |
| Countries that Start with P | 0 | - | 4.94 | 1,210,016 |
| Countries that Start with S | 0 | - | 4.98 | 1,746,665 |
| Countries that Start with T | 0 | - | 4.90 | 1,005,341 |
| Countries that Start with U | 0 | - | 4.97 | 900,827 |
| Countries that Start with V | 0 | - | 4.98 | 605,928 |
| Countries that Start with F | 0 | - | 4.83 | 613,316 |
| Countries that Start with M | 0 | - | 4.97 | 1,375,037 |
| Countries with the Most Catholics | 0 | - | 4.90 | 108,302 |
| Orthodox Countries | 0 | - | 4.91 | 130,612 |
| Monarchies of Europe | 0 | - | 4.90 | 97,497 |
| Monarchies of Asia | 0 | - | 4.97 | 70,697 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,520 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 110,828 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 325,566 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,632 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 402,589 |
| Island Countries | 0 | - | 4.99 | 708,179 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,160 |
| Himalayan Countries | 0 | - | 4.95 | 135,860 |
| Andean Countries | 0 | - | 4.94 | 83,105 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,429 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,542 |
| Coffee Producing Countries | 0 | - | 4.82 | 66,136 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,788 |
| Danube Countries | 0 | - | 4.97 | 71,234 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 115,956 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,673 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,792 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,712 |
| European Landlocked Countries | 0 | - | 4.99 | 145,936 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,455 |
| Countries with the Most Species | 0 | - | 4.99 | 95,319 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,597 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,253 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,427 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,042 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,695 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,054 |
| Countries in the Alps | 0 | - | 4.86 | 117,068 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,720 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,529 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,138 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,558 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,336 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,120 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,750 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,875 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,658 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,185 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,257 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,124 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,585 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,855 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,868 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,381 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,772 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,336 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,980 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 240,085 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,105 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,705 |
| Largest Countries By Category | 0 | - | 4.97 | 156,977 |
| Countries by Countries | 0 | - | 4.96 | 62,410 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,576 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,512 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,413 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,228 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,366,070 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,911 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,041,326 |
| Northernmost Countries | 0 | - | 4.99 | 358,526 |
| Countries of South America | 0 | - | 5.00 | 917,312 |
| Countries of Oceania | 0 | - | 5.00 | 1,043,458 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,853,165 |
| "Land" Countries | 0 | - | 4.98 | 334,020 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,409 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,282 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,573 |
| One Country By Letter By Continent | 0 | - | 5.00 | 122,178 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.91 | 79,098 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,285 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 148,347 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,233 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,437,449 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,233 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,812 |
| Countries with Megacities | 0 | - | 4.99 | 248,009 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,690 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,300 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,071 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,249 |
| Countries by Official Language | 0 | - | 4.95 | 193,087 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,568 |
| Countries in their Native Language | 0 | - | 4.99 | 196,927 |
| Independence from Whom | 0 | - | 4.99 | 210,065 |
| Subdivisions by Country | 0 | - | 4.86 | 50,127 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,003 |
| Countries in World War I | 0 | - | 4.88 | 226,846 |
| Megadiverse Countries | 0 | - | 4.97 | 134,116 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 227,698 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,089 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,997 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,514 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,897 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,836 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,105 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,283 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,365 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,281 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,776 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 75,844 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,492 |
| Hindu Countries | 0 | - | 4.86 | 49,683 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,599 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,573 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,770 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 71,109 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,531 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,721 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,473 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,203 |
| Countries With the Most Languages | 0 | - | 4.89 | 200,218 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,077 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,281 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,468 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,053 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,504 |
| Widest Countries East to West | 0 | - | 4.92 | 128,997 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,278 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,435 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,637 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,838 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,787 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,199 |
| Countries by Contribution to UN Budget | 0 | - | 4.89 | 76,269 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,632 |
| Countries with Double Letters | 0 | - | 4.96 | 93,640 |
| Countries that End in N | 0 | - | 4.94 | 157,105 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 258,975 |
| Countries with Six Letters | 0 | - | 4.93 | 210,636 |
| Countries with W | 0 | - | 4.97 | 158,399 |
| Countries with Z | 0 | - | 4.98 | 288,188 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,728 |
| Countries That End in U | 0 | - | 4.95 | 119,596 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,839 |
| Countries that End in O | 0 | - | 4.92 | 158,636 |
| Countries that End in R | 0 | - | 4.87 | 118,360 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,922 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,369 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,515 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,625 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,173 |
| Countries That End in Y | 0 | - | 4.90 | 185,277 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,583 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,871 |
| Countries that End in I | 0 | - | 4.94 | 134,523 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,430 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,284 |
| Countries That End in NIA | 0 | - | 4.92 | 109,107 |
| Countries That End in BIA | 0 | - | 4.92 | 147,837 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,227 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,618 |
| Countries That End in RIA | 0 | - | 4.93 | 126,183 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,152 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 225,647 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,648 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,007 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,544 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,015 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,265 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 102,769 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 48,881 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 52,967 |
| Countries that End in L | 0 | - | 4.94 | 156,142 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 211,984 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,018 |
| City to Country Quiz #1 | 0 | - | 4.96 | 155,608 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,427 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,508 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 247,893 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 199,594 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 141,467 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 162,612 |
