| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,362,500 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 108,610 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 152,707 |
| Countries within the Arctic Circle - Map Quiz | 0 | - | 4.84 | 63,129 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,801,461 |
| Landlocked Countries | 0 | - | 4.99 | 413,692 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 553,166 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,925,911 |
| Countries of the World in 1900 | 0 | - | 4.89 | 83,519 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 193,197 |
| All Countries by Northernmost Point on Land | 0 | - | 4.89 | 125,060 |
| 20 Countries on an Empty Map #1 | 0 | - | 4.94 | 61,765 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 148,894 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,619 |
| Himalayan Countries | 0 | - | 4.95 | 135,386 |
| Andean Countries | 0 | - | 4.94 | 82,835 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,227 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,227 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,915 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,619 |
| Danube Countries | 0 | - | 4.97 | 71,090 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,771 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,541 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,497 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,413 |
| European Landlocked Countries | 0 | - | 4.99 | 145,760 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,221 |
| Countries with the Most Species | 0 | - | 4.99 | 95,245 |
| Countries 197 to 205 | 0 | - | 4.87 | 69,358 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,200 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,371 |
| Countries that Use the Peso | 0 | - | 4.88 | 58,960 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,579 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,953 |
| Countries in the Alps | 0 | - | 4.86 | 116,832 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,577 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,268 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,015 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,428 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,175 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,009 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,585 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,762 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,318 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,067 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,198 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,046 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,455 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,753 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,758 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,084 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,652 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,255 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,774 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,331 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,691 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,607 |
| Largest Countries By Category | 0 | - | 4.97 | 156,771 |
| Countries by Countries | 0 | - | 4.96 | 62,263 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,396 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,963 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,333 |
| All Countries by Population With a Map | 0 | - | 4.98 | 106,695 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,110 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,775 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,717,496 |
| Pixelated World Map | 0 | - | 5.00 | 142,451 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 98,736 |
| Countries of the World in 1444 | 0 | - | 4.98 | 59,538 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.83 | 56,878 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 81,360 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 324,085 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,141 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 401,881 |
| Island Countries | 0 | - | 4.99 | 707,657 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,039,541 |
| Northernmost Countries | 0 | - | 4.99 | 357,762 |
| Countries of South America | 0 | - | 5.00 | 914,886 |
| Countries of Oceania | 0 | - | 5.00 | 1,040,608 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,848,617 |
| "Land" Countries | 0 | - | 4.98 | 333,674 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,281 |
| Countries with Megacities | 0 | - | 4.99 | 246,997 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,158 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,001 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,585 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,900 |
| Global Cities on a World Map | 0 | - | 4.93 | 134,790 |
| Countries by Official Language | 0 | - | 4.95 | 192,786 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,150 |
| Countries in their Native Language | 0 | - | 4.99 | 196,647 |
| Independence from Whom | 0 | - | 4.99 | 209,712 |
| Subdivisions by Country | 0 | - | 4.86 | 50,069 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,769 |
| Megadiverse Countries | 0 | - | 4.97 | 133,907 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,813 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,921 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,431 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,863 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,672 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,008 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,035 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,152 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,217 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,748 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,581 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,426 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,500 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,506 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,682 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 71,030 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,377 |
| World Map Quiz | 0 | - | 4.81 | 63,500 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,337 |
| Countries by Founding Story | 0 | - | 4.95 | 76,551 |
| Countries by Road Signs | 0 | - | 4.98 | 53,106 |
| Countries That Do Not Border | 0 | - | 4.99 | 59,267 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,365 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 103,997 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 121,959 |
| Countries With the Most Languages | 0 | - | 4.90 | 199,787 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 109,860 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 93,067 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,281 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 60,951 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,339 |
| Widest Countries East to West | 0 | - | 4.92 | 128,610 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,218 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,224 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,570 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,695 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,638 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,049 |
| Countries by Contribution to UN Budget | 0 | - | 4.86 | 69,051 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,585 |
| Countries With the Tallest People | 0 | - | 4.91 | 94,521 |
| Countries with Double Letters | 0 | - | 4.97 | 93,399 |
| Countries that End in N | 0 | - | 4.94 | 156,890 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 258,698 |
| Countries with Six Letters | 0 | - | 4.93 | 210,376 |
| Countries with W | 0 | - | 4.97 | 158,237 |
| Countries with Z | 0 | - | 4.98 | 287,892 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,560 |
| Countries That End in U | 0 | - | 4.95 | 119,521 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,570 |
| Countries that End in O | 0 | - | 4.92 | 158,560 |
| Countries that End in R | 0 | - | 4.87 | 118,276 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,861 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,044 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,340 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,500 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,030 |
| Countries That End in Y | 0 | - | 4.90 | 185,209 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,387 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,696 |
| Countries that End in I | 0 | - | 4.94 | 134,419 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,206 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,198 |
| Countries That End in NIA | 0 | - | 4.92 | 109,012 |
| Countries That End in BIA | 0 | - | 4.92 | 147,721 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,070 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,491 |
| Countries That End in RIA | 0 | - | 4.93 | 126,086 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 110,013 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 225,207 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,529 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 124,890 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,363 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 73,930 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,128 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 102,652 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 124,516 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 48,816 |
| Countries with the Word "And" | 0 | - | 4.99 | 116,152 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 52,820 |
| Countries that End in L | 0 | - | 4.94 | 155,738 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 211,226 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 84,988 |
| City to Country Quiz #1 | 0 | - | 4.97 | 155,514 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,303 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,437 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 247,015 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 199,112 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 125,920 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 162,198 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.93 | 223,391 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 151,533 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 70,621 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.81 | 108,173 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,423 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 62,335 |
| ALL First-Level Subdivisions of the World With a Map | 0 | - | 5.00 | 144,717 |
| All First-Level Subdivisions of Europe by Proximity | 0 | - | 4.84 | 76,323 |
| Top World Languages on a Map | 0 | - | 4.93 | 102,251 |
| Official Languages of the World on the Disappearing World Map | 0 | - | 4.98 | 115,097 |
| 407 Islands on the World Map | 0 | - | 4.99 | 34,700 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,175 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,435,213 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,678 |
| One Border Countries | 0 | - | 4.98 | 464,431 |
