| Inventions by Country #1 | 0 | - | 4.46 | 54,941 |
| Independence from Whom | 0 | - | 4.99 | 210,810 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,334 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,214 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,590 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,833 |
| Recently Independent Countries | 0 | - | 4.98 | 158,380 |
| Countries of the World in 1900 | 0 | - | 4.89 | 84,148 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 194,127 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 149,828 |
| Countries by Former Name | 0 | - | 4.99 | 124,670 |
| Inventions by Country #2 | 0 | - | 4.32 | 38,868 |
| Historical City to Country | 0 | - | 4.84 | 78,328 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,165,711 |
| Landlocked Countries | 0 | - | 4.99 | 416,681 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,323,508 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,790 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,676 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,543 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 84,303 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.92 | 66,770 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,029 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,545 |
| Countries Settled by Vikings | 0 | - | 4.93 | 121,100 |
| Countries by Emojis | 0 | - | 4.99 | 237,802 |
| Countries With One Word And Two O's | 0 | - | 4.94 | 55,448 |
| Warsaw Pact Countries | 0 | - | 4.83 | 84,367 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 99,183 |
| Regions of Countries #1 | 0 | - | 4.96 | 159,179 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,531 |
| Regions of Countries #3 | 0 | - | 4.85 | 90,501 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,740,738 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,931 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,949 |
| Himalayan Countries | 0 | - | 4.95 | 136,514 |
| Andean Countries | 0 | - | 4.95 | 83,495 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,758 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,011 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,429 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,030 |
| Danube Countries | 0 | - | 4.97 | 71,434 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,219 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,851 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,160 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,129 |
| European Landlocked Countries | 0 | - | 4.99 | 146,130 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,765 |
| Countries with the Most Species | 0 | - | 4.99 | 101,635 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,901 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,330 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,511 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,162 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,809 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,192 |
| Countries in the Alps | 0 | - | 4.86 | 117,328 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,906 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,900 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,253 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,743 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,824 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,255 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,989 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,994 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,808 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,331 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,367 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,204 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,730 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,999 |
| Countries with the Most Grassland | 0 | - | 4.93 | 77,005 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,717 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,896 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,782 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,729 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,430 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,248 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 241,022 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,570 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,830 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,519 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,117 |
| Largest Countries By Category | 0 | - | 4.97 | 157,259 |
| Countries by Countries | 0 | - | 4.96 | 62,593 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 48,194 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 95,909 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 78,421 |
| Battle to Country | 0 | - | 4.91 | 52,915 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,081 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,086 |
| Foods by Country of Origin #1 | 0 | - | 4.40 | 335,803 |
| Mountains by Country | 0 | - | 4.64 | 81,647 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,861 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 373,835 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 403,798 |
| Island Countries | 0 | - | 4.99 | 708,820 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,370,512 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,043,374 |
| Northernmost Countries | 0 | - | 4.99 | 359,392 |
| Countries of South America | 0 | - | 5.00 | 919,703 |
| Countries of Oceania | 0 | - | 5.00 | 1,046,709 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,858,851 |
| "Land" Countries | 0 | - | 4.98 | 334,610 |
| Countries by Independence Day | 0 | - | 4.61 | 52,671 |
| Former Countries by Capital | 0 | - | 4.45 | 127,244 |
| Former Countries | 0 | - | 4.75 | 132,968 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,432 |
| Countries that Produce the Most Beer | 0 | - | 4.85 | 130,111 |
| Companies by Country | 0 | - | 4.61 | 119,009 |
| Airlines by Country | 0 | - | 4.52 | 135,058 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 258,722 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,485 |
| Name a Valid African Country | 0 | - | 4.98 | 153,429 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,439,983 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,854 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,278 |
| Countries with Megacities | 0 | - | 4.99 | 248,956 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,136 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,550 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,487 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,503 |
| Countries by Official Language | 0 | - | 4.95 | 194,011 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 294,566 |
| Countries in their Native Language | 0 | - | 4.99 | 197,636 |
| Subdivisions by Country | 0 | - | 4.86 | 50,199 |
| Megadiverse Countries | 0 | - | 4.96 | 134,543 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,836 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,076 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,628 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,948 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,444 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,548 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,371 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,807 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,169 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,579 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,687 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,643 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,859 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,202 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 109,568 |
| World Map Quiz | 0 | - | 4.81 | 64,094 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,696 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,061 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,669 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,399 |
| Countries With the Most Languages | 0 | - | 4.90 | 200,715 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,269 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,463 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,628 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,149 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,637 |
| Widest Countries East to West | 0 | - | 4.92 | 129,140 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,329 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,655 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,922 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,959 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,980 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,360 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,100 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,675 |
| Athletes by Country Quiz #1 | 0 | - | 4.36 | 45,322 |
| Political Movements by Country | 0 | - | 4.46 | 72,393 |
| Countries with Double Letters | 0 | - | 4.96 | 94,137 |
| Countries that End in N | 0 | - | 4.95 | 165,717 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 259,582 |
| Countries with Six Letters | 0 | - | 4.93 | 211,135 |
| Countries with W | 0 | - | 4.97 | 158,808 |
| Countries with Z | 0 | - | 4.98 | 288,758 |
| Countries with Letters Missing | 0 | - | 4.97 | 185,031 |
| Countries That End in U | 0 | - | 4.95 | 119,913 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,156 |
| Countries that End in O | 0 | - | 4.92 | 158,861 |
| Countries that End in R | 0 | - | 4.87 | 118,509 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,285 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,754 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,735 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,810 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,378 |
| Countries That End in Y | 0 | - | 4.90 | 185,420 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,832 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,089 |
| Countries that End in I | 0 | - | 4.94 | 134,667 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,690 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,408 |
| Countries That End in NIA | 0 | - | 4.92 | 109,295 |
| Countries That End in BIA | 0 | - | 4.93 | 148,564 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,426 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,768 |
| Countries That End in RIA | 0 | - | 4.93 | 126,346 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,331 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 226,077 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,868 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,204 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,782 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,141 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,436 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 102,939 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 124,833 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 48,998 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 53,204 |
