| Countries of the World Quiz | 0 | - | 5.00 | 47,882,197 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 409,721 |
| UNESCO World Heritage Countries | 0 | - | 4.98 | 136,812 |
| Countries with the Most Airports | 0 | - | 4.96 | 100,198 |
| Countries with Most Tourists with Exceptions | 0 | - | 4.97 | 126,821 |
| Five Countries With the Most Tourists by Continent | 0 | - | 4.95 | 123,261 |
| Landlocked Countries | 0 | - | 4.99 | 425,908 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,804,685 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,293 |
| Himalayan Countries | 0 | - | 4.93 | 140,265 |
| Andean Countries | 0 | - | 4.94 | 85,473 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,623 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,018 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,182 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,446 |
| Danube Countries | 0 | - | 4.97 | 72,397 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,597 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,846 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,134 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,622 |
| European Landlocked Countries | 0 | - | 4.99 | 147,608 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,309 |
| Countries with the Most Species | 0 | - | 4.99 | 103,567 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,416 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,776 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,889 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,840 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,582 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,021 |
| Countries in the Alps | 0 | - | 4.87 | 118,781 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,638 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,872 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,969 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,029 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,964 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,261 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,412 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,866 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,426 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,181 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,878 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,747 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,565 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,800 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,897 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,851 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,618 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 72,057 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,678 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,731 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,164 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,508 |
| Largest Countries By Category | 0 | - | 4.97 | 158,873 |
| Countries by Countries | 0 | - | 4.96 | 63,647 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,272 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,401 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,672 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,109 |
| Countries Whose Airlines Carried the Most Passengers | 0 | - | 4.95 | 73,018 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 335,433 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,703 |
| Island Countries | 0 | - | 4.99 | 712,584 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,054,791 |
| Northernmost Countries | 0 | - | 4.99 | 364,030 |
| Countries of South America | 0 | - | 5.00 | 932,745 |
| Countries of Oceania | 0 | - | 5.00 | 1,063,425 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,889,441 |
| "Land" Countries | 0 | - | 4.98 | 338,399 |
| Largest Countries with Little Tourism | 0 | - | 4.70 | 62,133 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,393,772 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,538 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 119,090 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,167 |
| Countries with Megacities | 0 | - | 4.99 | 267,139 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,862 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,136 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,172 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,245 |
| Countries by Official Language | 0 | - | 4.95 | 196,007 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,645 |
| Countries in their Native Language | 0 | - | 4.99 | 199,745 |
| Independence from Whom | 0 | - | 4.99 | 213,079 |
| Subdivisions by Country | 0 | - | 4.87 | 50,619 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,453 |
| Megadiverse Countries | 0 | - | 4.96 | 135,283 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,951 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,543 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,674 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,232 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 164,150 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,858 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,118 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,570 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 96,053 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,258 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 78,541 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 108,380 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,444 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,150 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,585 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,860 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 112,370 |
| World Map Quiz | 0 | - | 4.81 | 65,735 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 159,283 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,718 |
| Countries by Founding Story | 0 | - | 4.95 | 77,800 |
| Countries by Road Signs | 0 | - | 4.98 | 54,351 |
| Southernmost Countries of the World | 0 | - | 4.99 | 229,267 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 106,088 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,568 |
| Countries With the Most Languages | 0 | - | 4.90 | 203,591 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,438 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,540 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,736 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,694 |
| Tallest Countries North to South | 0 | - | 4.86 | 130,731 |
| Widest Countries East to West | 0 | - | 4.92 | 130,464 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,601 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,265 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,521 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 95,070 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,977 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,491 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,503 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,892 |
| Countries with Double Letters | 0 | - | 4.96 | 97,089 |
| Countries that End in N | 0 | - | 4.95 | 171,955 |
| Countries with Five Letters | 0 | - | 4.96 | 283,791 |
| Countries with Six Letters | 0 | - | 4.94 | 214,491 |
| Countries with W | 0 | - | 4.96 | 160,954 |
| Countries with Z | 0 | - | 4.98 | 292,473 |
| Countries with Letters Missing | 0 | - | 4.96 | 187,292 |
| Countries That End in U | 0 | - | 4.95 | 121,197 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 135,116 |
| Countries that End in O | 0 | - | 4.92 | 160,218 |
| Countries that End in R | 0 | - | 4.87 | 119,189 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,943 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,856 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 171,158 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,836 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,767 |
| Countries That End in Y | 0 | - | 4.91 | 186,094 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 198,467 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 153,280 |
| Countries that End in I | 0 | - | 4.94 | 135,319 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 184,633 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 96,062 |
| Countries That End in NIA | 0 | - | 4.92 | 110,063 |
| Countries That End in BIA | 0 | - | 4.93 | 149,580 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,555 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,780 |
| Countries That End in RIA | 0 | - | 4.93 | 127,060 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 111,394 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 228,598 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 134,191 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 126,633 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 92,185 |
| Add A Letter - Make a Country | 0 | - | 4.81 | 74,810 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 53,335 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,541 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,914 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,654 |
| Countries with the Word "And" | 0 | - | 4.99 | 117,736 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 54,426 |
| Countries that End in L | 0 | - | 4.94 | 157,133 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 218,049 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,347 |
| City to Country Quiz #1 | 0 | - | 4.97 | 157,519 |
| City to Country Quiz #3 | 0 | - | 4.88 | 120,006 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 79,459 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 250,446 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 201,149 |
| Five Least Populated Countries by Continent | 0 | - | 4.95 | 143,439 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 164,270 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 225,988 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 153,218 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 71,240 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,832 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 63,248 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,454,187 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,513 |
| One Border Countries | 0 | - | 4.98 | 471,967 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,848,999 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,653,274 |
| Countries with the Most Tourists Per Capita | 0 | - | 4.28 | 82,311 |
| Every Country in its Official/Native Language | 0 | - | 4.98 | 25,698 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,327 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 269,047 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,666 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,905 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 94,220 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,616 |
| Countries by National Anthem | 0 | - | 4.92 | 71,409 |
| NATO Countries | 0 | - | 4.98 | 283,459 |
| EU Countries Quiz | 0 | - | 4.99 | 277,943 |
| Recently Independent Countries | 0 | - | 4.98 | 160,358 |
| French-Speaking Countries | 0 | - | 4.85 | 271,689 |
| Natural Features of Countries #1 | 0 | - | 4.87 | 84,047 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,803 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 291,411 |
