| Countries with the Most Christians | 0 | - | 4.93 | 107,371 |
| Least Christian Countries with Exceptions | 0 | - | 4.89 | 72,469 |
| Countries with the Most Catholics | 0 | - | 4.91 | 93,104 |
| Orthodox Countries | 0 | - | 4.91 | 117,065 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 98,120 |
| Countries with the Most Cathedrals | 0 | - | 4.50 | 34,519 |
| Countries of the World Quiz | 0 | - | 5.00 | 40,894,309 |
| Top Five Countries by Religion | 0 | - | 4.90 | 141,906 |
| African Countries with the Most Christians | 0 | - | 4.92 | 67,330 |
| Catholic Countries Quiz | 0 | - | 4.78 | 182,253 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 323,386 |
| Majority Muslim Countries | 0 | - | 4.97 | 313,155 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,067,692 |
| Buddhist Countries | 0 | - | 4.96 | 130,713 |
| Members of the Arab League | 0 | - | 4.85 | 61,762 |
| Sahara Desert Countries | 0 | - | 4.97 | 126,811 |
| Himalayan Countries | 0 | - | 4.94 | 104,672 |
| Andean Countries | 0 | - | 4.91 | 58,034 |
| Countries with the Oldest Median Age | 0 | - | 4.84 | 58,971 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 49,285 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 102,626 |
| Coffee Producing Countries | 0 | - | 4.81 | 54,011 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 53,258 |
| Danube Countries | 0 | - | 4.97 | 56,612 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 91,649 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 64,815 |
| Countries with the Best Passports | 0 | - | 4.88 | 71,131 |
| Countries with the Worst Passports | 0 | - | 4.87 | 49,309 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 109,461 |
| European Landlocked Countries | 0 | - | 4.99 | 115,475 |
| Partially Recognized Countries | 0 | - | 4.98 | 89,287 |
| Countries with the Most Species | 0 | - | 4.99 | 89,512 |
| Countries 197 to 205 | 0 | - | 4.88 | 56,308 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 44,660 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 43,990 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 48,220 |
| Countries that Use the Peso | 0 | - | 4.82 | 46,389 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.88 | 58,667 |
| Countries with a AAA Credit Rating | 0 | - | 4.89 | 49,096 |
| Countries in the Alps | 0 | - | 4.84 | 102,570 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 85,248 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 86,969 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 71,536 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 78,191 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 93,895 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 87,500 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 89,577 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 46,113 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 45,290 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 54,608 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 69,381 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 48,557 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 36,643 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 95,431 |
| Arctic Ocean Countries | 0 | - | 4.93 | 71,910 |
| Countries with the Most Grassland | 0 | - | 4.93 | 69,418 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 97,896 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 61,297 |
| Countries that Host the Most Refugees | 0 | - | 4.93 | 53,341 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 195,903 |
| World Countries - Blind Typing | 0 | - | 5.00 | 72,741 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 42,250 |
| Largest Countries By Category | 0 | - | 4.96 | 144,796 |
| Countries by Countries | 0 | - | 4.96 | 54,594 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 58,662 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 78,126 |
| Spanish-Speaking Countries | 0 | - | 4.94 | 340,925 |
| Countries with the Most Tourists Quiz | 0 | - | 4.91 | 355,203 |
| Island Countries Quiz | 0 | - | 4.99 | 660,178 |
| Biggest Countries by Area | 0 | - | 5.00 | 932,433 |
| Northernmost Countries | 0 | - | 4.99 | 326,971 |
| Countries of South America | 0 | - | 5.00 | 792,518 |
| Countries of Oceania | 0 | - | 5.00 | 892,758 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,148,788 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,570,978 |
| Battle to Country | 0 | - | 4.92 | 35,373 |
| Monarchies of Europe | 0 | - | 4.88 | 86,967 |
| Monarchies of Asia | 0 | - | 4.95 | 53,973 |
| Countries with the Most Muslims | 0 | - | 4.93 | 131,620 |
| Catholic Countries in Europe | 0 | - | 4.87 | 83,670 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 125,744 |
| Countries with Megacities | 0 | - | 4.99 | 197,005 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 171,351 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 97,836 |
| Countries With More than 200 Million People | 0 | - | 4.93 | 95,223 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 63,793 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 247,697 |
| Countries by Official Language | 0 | - | 4.96 | 171,380 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.92 | 249,069 |
| Countries in their Native Language | 0 | - | 4.98 | 178,212 |
| Independence from Whom | 0 | - | 4.99 | 185,436 |
| Subdivisions by Country | 0 | - | 4.82 | 46,419 |
| Who Controlled These Colonies? | 0 | - | 4.89 | 113,362 |
| Megadiverse Countries | 0 | - | 4.96 | 125,270 |
| Countries With the Most English Speakers | 0 | - | 4.87 | 91,295 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 106,634 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.83 | 47,363 |
| 15 Biggest Island Countries | 0 | - | 4.99 | 131,518 |
| Most Recently-Settled Countries | 0 | - | 4.92 | 49,104 |
| Countries of the World in 1938 Quiz | 0 | - | 4.96 | 77,814 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.95 | 145,072 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 77,008 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 41,327 |
| Countries by Sports League Revenue | 0 | - | 4.88 | 43,754 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 101,566 |
| Countries Furthest from the United States | 0 | - | 4.94 | 71,966 |
| Countries with the Highest HDI | 0 | - | 4.95 | 130,939 |
| Straight Shot to the Arctic Circle | 0 | - | 4.92 | 68,510 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 65,237 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 178,759 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 109,530 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.88 | 101,734 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 81,343 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 82,066 |
| Smallest Countries with at Least One Border | 0 | - | 4.89 | 81,441 |
| Southernmost Countries of the World | 0 | - | 4.99 | 206,608 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 90,847 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.90 | 107,942 |
| Countries With the Most Languages | 0 | - | 4.90 | 173,481 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.93 | 87,263 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.86 | 71,535 |
| Countries with the Most Prisoners | 0 | - | 4.93 | 86,237 |
| Countries with the Most Domestic Camels | 0 | - | 4.92 | 53,907 |
| Tallest Countries North to South | 0 | - | 4.84 | 110,397 |
| Widest Countries East to West | 0 | - | 4.93 | 119,316 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 68,808 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 158,943 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 92,628 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.96 | 85,461 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 118,786 |
| Countries with the Most Desert | 0 | - | 4.92 | 105,113 |
| Countries by Contribution to UN Budget | 0 | - | 4.86 | 66,441 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 32,037 |
| Countries with Double Letters | 0 | - | 4.96 | 68,282 |
| Countries that End in N | 0 | - | 4.94 | 132,626 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 229,646 |
| Countries with Six Letters Quiz | 0 | - | 4.95 | 186,962 |
| Countries with W | 0 | - | 4.96 | 122,662 |
| Countries with Z | 0 | - | 4.98 | 244,341 |
| Countries with Letters Missing | 0 | - | 4.97 | 163,147 |
| Countries That End in U | 0 | - | 4.95 | 107,531 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 89,418 |
| Countries that End in O | 0 | - | 4.92 | 146,901 |
| Countries that End in R | 0 | - | 4.85 | 96,457 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 147,215 |
| Countries Ending in "IA" | 0 | - | 4.99 | 171,277 |
| Countries by First and Last Letter #1 | 0 | - | 4.98 | 155,731 |
| Countries by Last Two Letters | 0 | - | 4.91 | 116,194 |
| Countries by First and Last Letter #2 | 0 | - | 4.94 | 129,256 |
| Countries That End in Y | 0 | - | 4.90 | 161,611 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 160,947 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.91 | 120,723 |
| Countries that End in I | 0 | - | 4.92 | 114,486 |
| Countries Based on First Two Letters #2 | 0 | - | 4.98 | 149,503 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 88,252 |
| Countries That End in NIA | 0 | - | 4.93 | 100,822 |
| Countries That End in BIA | 0 | - | 4.91 | 126,050 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.93 | 153,220 |
| Countries Whose Names Start with Saint | 0 | - | 4.88 | 109,717 |
| Countries That End in RIA | 0 | - | 4.90 | 100,937 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 100,415 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 200,644 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 119,635 |
| Divided Country Name Puzzle #3 | 0 | - | 4.93 | 110,518 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 4.99 | 77,333 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 92,209 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 96,686 |
| Countries that are Free from U.S.A. | 0 | - | 4.90 | 42,803 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 40,685 |
| Countries that End in L | 0 | - | 4.95 | 134,253 |
| "Land" Countries | 0 | - | 4.98 | 289,147 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 188,784 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.97 | 65,169 |
| City to Country Quiz #1 | 0 | - | 4.94 | 134,258 |
| City to Country Quiz #3 | 0 | - | 4.87 | 100,163 |
| 45 European Countries, 45 Cities | 0 | - | 4.94 | 71,582 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 207,816 |
| Five Poorest Countries by Continent | 0 | - | 4.94 | 166,151 |
| Five Least Populated Countries by Continent | 0 | - | 4.95 | 116,436 |
| Five Smallest Countries by Continent | 0 | - | 4.97 | 132,894 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.92 | 193,821 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 140,836 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 65,870 |
| Top 10 Coldest European Countries | 0 | - | 4.95 | 180,736 |
| Top 10 Hottest European Countries | 0 | - | 4.87 | 115,480 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.83 | 92,043 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 116,430 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 82,288 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.93 | 56,022 |
| Biblical Geography | 0 | - | 4.37 | 64,084 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,310,842 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 349,515 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,062,265 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,391,937 |
| One Border Countries | 0 | - | 4.98 | 409,958 |
| African Countries with the Most Muslims | 0 | - | 4.78 | 80,964 |
| Countries With One Word and Three A's | 0 | - | 4.85 | 30,787 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.88 | 68,206 |
| Top 10 Richest Countries in Asia | 0 | - | 4.87 | 80,802 |
| Top 10 Richest Countries in Africa | 0 | - | 4.87 | 67,740 |
