| Countries of the World Quiz | 0 | - | 5.00 | 47,013,282 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 402,439 |
| Countries with the Most Airports | 0 | - | 4.96 | 97,414 |
| Countries with Most Tourists with Exceptions | 0 | - | 4.97 | 124,134 |
| Five Countries With the Most Tourists by Continent | 0 | - | 4.95 | 119,424 |
| Landlocked Countries | 0 | - | 4.99 | 414,791 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,726,250 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,067 |
| Himalayan Countries | 0 | - | 4.95 | 135,777 |
| Andean Countries | 0 | - | 4.94 | 83,067 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,402 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,487 |
| Coffee Producing Countries | 0 | - | 4.81 | 66,102 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,762 |
| Danube Countries | 0 | - | 4.97 | 71,205 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 115,930 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,659 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,748 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,652 |
| European Landlocked Countries | 0 | - | 4.99 | 145,896 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,408 |
| Countries with the Most Species | 0 | - | 4.99 | 95,312 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,561 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,241 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,413 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,030 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,671 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,036 |
| Countries in the Alps | 0 | - | 4.86 | 117,024 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,698 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,481 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,119 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,528 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,316 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,102 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,723 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,857 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,633 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,166 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,242 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,110 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,566 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,846 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,845 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,333 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,754 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,326 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,965 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,931 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,055 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,691 |
| Largest Countries By Category | 0 | - | 4.97 | 156,937 |
| Countries by Countries | 0 | - | 4.96 | 62,391 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,573 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,003 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,365 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,883 |
| Countries Whose Airlines Carried the Most Passengers | 0 | - | 4.94 | 71,743 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 325,361 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,542 |
| Island Countries | 0 | - | 4.99 | 708,079 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,041,033 |
| Northernmost Countries | 0 | - | 4.99 | 358,394 |
| Countries of South America | 0 | - | 5.00 | 916,851 |
| Countries of Oceania | 0 | - | 5.00 | 1,042,961 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,852,383 |
| "Land" Countries | 0 | - | 4.98 | 333,957 |
| Largest Countries with Little Tourism | 0 | - | 4.70 | 61,346 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,365,468 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,676 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 117,639 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,746 |
| Countries with Megacities | 0 | - | 4.99 | 247,857 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,620 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,260 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,009 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,210 |
| Countries by Official Language | 0 | - | 4.95 | 193,029 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,481 |
| Countries in their Native Language | 0 | - | 4.99 | 196,875 |
| Independence from Whom | 0 | - | 4.99 | 210,000 |
| Subdivisions by Country | 0 | - | 4.86 | 50,118 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,956 |
| Megadiverse Countries | 0 | - | 4.97 | 134,000 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,039 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,979 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,486 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,890 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,805 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,082 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,248 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,303 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,270 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,773 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,797 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,478 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,577 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,563 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,756 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 71,090 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 108,937 |
| World Map Quiz | 0 | - | 4.81 | 63,701 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 153,342 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,478 |
| Countries by Founding Story | 0 | - | 4.95 | 76,656 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,655 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,427 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,158 |
| Countries With the Most Languages | 0 | - | 4.90 | 200,145 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,051 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,244 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,442 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,036 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,484 |
| Widest Countries East to West | 0 | - | 4.92 | 128,975 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,268 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,393 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,622 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,809 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,754 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,172 |
| Countries by Contribution to UN Budget | 0 | - | 4.89 | 75,348 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,630 |
| Countries with Double Letters | 0 | - | 4.97 | 93,605 |
| Countries that End in N | 0 | - | 4.94 | 157,077 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 258,926 |
| Countries with Six Letters | 0 | - | 4.93 | 210,601 |
| Countries with W | 0 | - | 4.97 | 158,370 |
| Countries with Z | 0 | - | 4.98 | 288,140 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,702 |
| Countries That End in U | 0 | - | 4.95 | 119,590 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,804 |
| Countries that End in O | 0 | - | 4.92 | 158,625 |
| Countries that End in R | 0 | - | 4.87 | 118,349 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,912 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,329 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,489 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,605 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,152 |
| Countries That End in Y | 0 | - | 4.90 | 185,263 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,555 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,842 |
| Countries that End in I | 0 | - | 4.94 | 134,513 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,396 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,270 |
| Countries That End in NIA | 0 | - | 4.92 | 109,087 |
| Countries That End in BIA | 0 | - | 4.92 | 147,818 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,202 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,598 |
| Countries That End in RIA | 0 | - | 4.93 | 126,167 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 110,132 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 225,589 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,631 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 124,992 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,497 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 73,995 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,236 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 102,754 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 124,636 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 48,870 |
| Countries with the Word "And" | 0 | - | 4.99 | 116,281 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 52,944 |
| Countries that End in L | 0 | - | 4.94 | 156,129 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 211,857 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,016 |
| City to Country Quiz #1 | 0 | - | 4.97 | 155,596 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,406 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,497 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 247,800 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 199,540 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 141,128 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 162,585 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 223,944 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 151,868 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 70,787 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.81 | 108,227 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,450 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 62,395 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,437,063 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,140 |
| One Border Countries | 0 | - | 4.98 | 465,260 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,805,668 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,594,078 |
| Countries with the Most Tourists Per Capita | 0 | - | 4.28 | 81,854 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,096 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,372 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,092 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,587 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,871 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,458 |
| Countries by National Anthem | 0 | - | 4.92 | 71,064 |
| NATO Countries | 0 | - | 4.98 | 276,896 |
| EU Countries Quiz | 0 | - | 4.99 | 270,634 |
| Recently Independent Countries | 0 | - | 4.98 | 158,133 |
| French-Speaking Countries | 0 | - | 4.85 | 269,141 |
| Natural Features of Countries #1 | 0 | - | 4.86 | 83,425 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,382 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 285,494 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 269,105 |
| German-Speaking Countries | 0 | - | 4.89 | 123,574 |
