| Countries of the World Quiz | 0 | - | 5.00 | 47,028,954 |
| Countries with the Most Christians | 0 | - | 4.92 | 141,825 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,136 |
| Landlocked Countries | 0 | - | 4.99 | 414,997 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,727,905 |
| Countries that Start with A | 0 | - | 4.98 | 2,150,143 |
| Countries that Start with B | 0 | - | 4.95 | 2,282,767 |
| Countries that Start with C | 0 | - | 4.96 | 1,812,645 |
| Countries that Start with D | 0 | - | 4.96 | 703,161 |
| Countries that Start with E | 0 | - | 4.95 | 1,369,435 |
| Countries that Start with G | 0 | - | 4.97 | 1,494,859 |
| Countries that Start with H | 0 | - | 4.96 | 599,256 |
| Countries that Start with I | 0 | - | 4.92 | 1,281,845 |
| Countries that Start with J | 0 | - | 4.98 | 597,330 |
| Countries that Start with K | 0 | - | 4.97 | 810,600 |
| Countries that Start with L | 0 | - | 4.98 | 1,084,387 |
| Countries that Start with N | 0 | - | 4.93 | 1,111,307 |
| Countries that Start with P | 0 | - | 4.94 | 1,209,988 |
| Countries that Start with S | 0 | - | 4.98 | 1,746,628 |
| Countries that Start with T | 0 | - | 4.90 | 1,005,318 |
| Countries that Start with U | 0 | - | 4.97 | 900,811 |
| Countries that Start with V | 0 | - | 4.98 | 605,914 |
| Countries that Start with F | 0 | - | 4.83 | 613,296 |
| Countries that Start with M | 0 | - | 4.97 | 1,375,007 |
| Countries with the Most Catholics | 0 | - | 4.90 | 108,299 |
| Orthodox Countries | 0 | - | 4.91 | 130,608 |
| Monarchies of Europe | 0 | - | 4.90 | 97,496 |
| Monarchies of Asia | 0 | - | 4.97 | 70,697 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,519 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 110,822 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 325,546 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,619 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 402,575 |
| Island Countries | 0 | - | 4.99 | 708,168 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,152 |
| Himalayan Countries | 0 | - | 4.95 | 135,852 |
| Andean Countries | 0 | - | 4.94 | 83,102 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,426 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,536 |
| Coffee Producing Countries | 0 | - | 4.82 | 66,132 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,787 |
| Danube Countries | 0 | - | 4.97 | 71,230 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 115,954 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,672 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,785 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,701 |
| European Landlocked Countries | 0 | - | 4.99 | 145,930 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,454 |
| Countries with the Most Species | 0 | - | 4.99 | 95,319 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,594 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,252 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,426 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,042 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,694 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,053 |
| Countries in the Alps | 0 | - | 4.86 | 117,065 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,718 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,521 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,138 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,554 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,335 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,118 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,748 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,872 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,655 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,181 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,256 |
| 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 | 76,865 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,372 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,769 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,335 |
| 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 | 240,070 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,099 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,704 |
| Largest Countries By Category | 0 | - | 4.97 | 156,971 |
| Countries by Countries | 0 | - | 4.96 | 62,408 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,571 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,509 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,407 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,226 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,366,025 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,906 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,041,296 |
| Northernmost Countries | 0 | - | 4.99 | 358,515 |
| Countries of South America | 0 | - | 5.00 | 917,273 |
| Countries of Oceania | 0 | - | 5.00 | 1,043,397 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,853,089 |
| "Land" Countries | 0 | - | 4.98 | 334,011 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,404 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,278 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,573 |
| One Country By Letter By Continent | 0 | - | 5.00 | 122,172 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.91 | 78,894 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,282 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 148,336 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,232 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,437,410 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,222 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,804 |
| Countries with Megacities | 0 | - | 4.99 | 247,983 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,684 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,297 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,060 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,247 |
| Countries by Official Language | 0 | - | 4.95 | 193,074 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,562 |
| Countries in their Native Language | 0 | - | 4.99 | 196,921 |
| Independence from Whom | 0 | - | 4.99 | 210,061 |
| Subdivisions by Country | 0 | - | 4.86 | 50,127 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,997 |
| Countries in World War I | 0 | - | 4.88 | 226,842 |
| Megadiverse Countries | 0 | - | 4.97 | 134,092 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 227,694 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,085 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,995 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,512 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,897 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,834 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,103 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,283 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,361 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,278 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,776 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 75,838 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,488 |
| Hindu Countries | 0 | - | 4.86 | 49,683 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,597 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,572 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,768 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 71,108 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,526 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,716 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,468 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,201 |
| Countries With the Most Languages | 0 | - | 4.89 | 200,212 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,073 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,279 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,467 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,053 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,503 |
| Widest Countries East to West | 0 | - | 4.92 | 128,995 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,277 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,431 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,636 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,836 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,784 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,196 |
| Countries by Contribution to UN Budget | 0 | - | 4.89 | 76,239 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,632 |
| Countries with Double Letters | 0 | - | 4.96 | 93,637 |
| Countries that End in N | 0 | - | 4.94 | 157,102 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 258,973 |
| Countries with Six Letters | 0 | - | 4.93 | 210,635 |
| Countries with W | 0 | - | 4.97 | 158,395 |
| Countries with Z | 0 | - | 4.98 | 288,183 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,724 |
| Countries That End in U | 0 | - | 4.95 | 119,596 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,837 |
| Countries that End in O | 0 | - | 4.92 | 158,636 |
| Countries that End in R | 0 | - | 4.87 | 118,359 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,921 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,366 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,512 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,624 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,170 |
| Countries That End in Y | 0 | - | 4.90 | 185,276 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,577 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,869 |
| Countries that End in I | 0 | - | 4.94 | 134,523 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,423 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,283 |
| Countries That End in NIA | 0 | - | 4.92 | 109,103 |
| Countries That End in BIA | 0 | - | 4.92 | 147,836 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,225 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,617 |
| Countries That End in RIA | 0 | - | 4.93 | 126,181 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,151 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 225,636 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,646 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,002 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,539 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,014 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,264 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 102,769 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 48,878 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 52,967 |
| Countries that End in L | 0 | - | 4.94 | 156,141 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 211,968 |
| 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 | 118,425 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,504 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 247,885 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 199,589 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 141,435 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 162,611 |
