| Independence from Whom | 0 | - | 4.99 | 209,860 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,880 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,044 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,164 |
| Countries by Founding Story | 0 | - | 4.95 | 76,609 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,229 |
| Cities by Former Name | 0 | - | 4.84 | 91,046 |
| Recently Independent Countries | 0 | - | 4.98 | 158,073 |
| Countries of the World in 1900 | 0 | - | 4.89 | 83,638 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 193,358 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 149,087 |
| Countries by Former Name | 0 | - | 4.99 | 124,387 |
| Historical City to Country | 0 | - | 4.84 | 78,176 |
| Modern Day Countries of the Kushan Empire on a Map | 0 | - | 4.89 | 24,522 |
| Boundary Waters | 0 | - | 4.92 | 88,078 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,845 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,376 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 61,424 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,897 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 69,808 |
| Countries Settled by Vikings | 0 | - | 4.93 | 120,915 |
| Warsaw Pact Countries | 0 | - | 4.83 | 84,296 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 98,815 |
| Countries of the World in 1444 | 0 | - | 4.98 | 59,628 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.83 | 56,937 |
| Countries of Europe before World War II with a Map | 0 | - | 4.94 | 52,411 |
| Former Flags | 0 | - | 4.97 | 106,823 |
| Ancient City to Country | 0 | - | 4.70 | 107,658 |
| City-States | 0 | - | 4.53 | 37,120 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,513 |
| City Where It Happened #2 | 0 | - | 4.42 | 52,990 |
| City Where It Happened #3 | 0 | - | 4.53 | 40,259 |
| Countries by Independence Day | 0 | - | 4.56 | 52,627 |
| Former Countries by Capital | 0 | - | 4.45 | 127,092 |
| Former Countries | 0 | - | 4.75 | 132,767 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,972,123 |
| Landlocked Countries | 0 | - | 4.99 | 414,263 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 78,161 |
| Battle to Country | 0 | - | 4.91 | 52,597 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 554,834 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.98 | 68,271 |
| Modern-Day Countries of the Holy Roman Empire on a Map | 0 | - | 4.93 | 45,312 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,061 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,515 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 63,552 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,200 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,107 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,212 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,073 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,783 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,171 |
| Cities by Founder and Date | 0 | - | 4.56 | 29,023 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,033 |
| City Where It Happened #1 | 0 | - | 4.24 | 106,156 |
| World Capitals Quiz | 0 | - | 5.00 | 5,035,730 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,852 |
| Himalayan Countries | 0 | - | 4.95 | 135,589 |
| Andean Countries | 0 | - | 4.94 | 82,950 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,313 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,356 |
| Coffee Producing Countries | 0 | - | 4.81 | 66,015 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,682 |
| Danube Countries | 0 | - | 4.97 | 71,138 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 115,844 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,605 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,615 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,528 |
| European Landlocked Countries | 0 | - | 4.99 | 145,835 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,304 |
| Countries with the Most Species | 0 | - | 4.99 | 95,281 |
| Countries Unconquered since 1850 | 0 | - | 4.32 | 64,663 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,446 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,222 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,391 |
| Countries that Use the Peso | 0 | - | 4.88 | 58,990 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,629 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,004 |
| Countries in the Alps | 0 | - | 4.86 | 116,926 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,641 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,381 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,066 |
| Guerrillas by Country | 0 | - | 4.40 | 40,978 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,476 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,249 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,060 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,664 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,814 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,528 |
| Longest Uninterrupted Democracies | 0 | - | 4.04 | 33,106 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,118 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,217 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,081 |
| Most Recent Country To ... | 0 | - | 4.33 | 55,433 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,499 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,803 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,795 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,199 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,709 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,289 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,862 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,629 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,884 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,644 |
| Largest Countries By Category | 0 | - | 4.97 | 156,867 |
| Countries by Countries | 0 | - | 4.96 | 62,324 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,508 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,984 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,350 |
| Countries of Europe in 1000 with a Map | 0 | - | 4.78 | 42,749 |
| Merged Country Flags | 0 | - | 4.88 | 106,086 |
| All Countries by Population With a Map | 0 | - | 4.98 | 106,914 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,182 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,829 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,722,152 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,782 |
| Western Europe Map Quiz | 0 | - | 4.87 | 93,513 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,604 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,254 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.97 | 34,476 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 206,604 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,677 |
| Longest International Borders | 0 | - | 4.99 | 263,921 |
| Countries with Three Borders | 0 | - | 4.96 | 36,228 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,634 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,721 |
| Famous Immigrants and Exiles | 0 | - | 4.42 | 22,489 |
| Roman Provinces on a Map | 0 | - | 4.54 | 36,607 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,011 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,456 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.85 | 36,878 |
| Demonym of Every Country | 0 | - | 4.91 | 58,707 |
| People Born on Islands | 0 | - | 4.39 | 52,765 |
| Pacific Ocean General Knowledge | 0 | - | 4.69 | 36,219 |
| WWII Geography | 0 | - | 4.81 | 119,426 |
| The Same Prefixes - Geography | 0 | - | 4.49 | 47,435 |
| Biggest First-Level Subdivisions by Area | 0 | - | 4.89 | 26,624 |
| "Second Best" Geography Edition #1 | 0 | - | 4.64 | 63,065 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 324,794 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,572,536 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,364 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 402,177 |
| Island Countries | 0 | - | 4.99 | 707,865 |
| Modern-Day Countries of the Khmer Empire on a Map | 0 | - | 4.74 | 45,194 |
| Modern-Day Countries of the Mayan Civilization | 0 | - | 4.77 | 32,989 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,040,338 |
| Northernmost Countries | 0 | - | 4.99 | 358,063 |
| Countries of South America | 0 | - | 5.00 | 915,919 |
| Countries of Oceania | 0 | - | 5.00 | 1,041,947 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,850,592 |
| "Land" Countries | 0 | - | 4.98 | 333,816 |
| Which Country Does Not Border... | 0 | - | 4.78 | 93,114 |
| Top World Languages | 0 | - | 4.92 | 813,959 |
| Colonies of Africa with a Map | 0 | - | 4.77 | 54,008 |
| Countries of Iberia in History with a Map | 0 | - | 4.87 | 41,183 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.87 | 60,444 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 85,593 |
| Analogies of Countries #1 | 0 | - | 4.88 | 68,184 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 103,595 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,591 |
| Countries with Megacities | 0 | - | 4.99 | 247,500 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,433 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,179 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,851 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,105 |
| 5 Largest Cities for Every Letter on Map | 0 | - | 4.97 | 50,674 |
| Home Cities in History #1 | 0 | - | 4.04 | 16,529 |
| Global Cities on a World Map | 0 | - | 4.93 | 134,937 |
| Find the City #1 | 0 | - | 4.97 | 42,207 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,095 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,737 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,690 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 107,765 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,593 |
| Countries by Capital City | 0 | - | 5.00 | 66,810 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,419 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 113,977 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,474 |
| Moved Capital Cities | 0 | - | 4.96 | 73,653 |
| Countries by Official Language | 0 | - | 4.95 | 192,913 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,326 |
| Countries in their Native Language | 0 | - | 4.99 | 196,766 |
| Subdivisions by Country | 0 | - | 4.86 | 50,099 |
| Countries in World War I | 0 | - | 4.88 | 226,729 |
| Megadiverse Countries | 0 | - | 4.97 | 133,960 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 227,532 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,935 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,950 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,463 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,874 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,745 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,212 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,244 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,759 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,721 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,453 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,540 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,532 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,727 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 71,054 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,364,134 |
