| Countries of the World in 1900 | 0 | - | 4.89 | 85,371 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 195,942 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 151,466 |
| Modern Day Countries of the Kushan Empire on a Map | 0 | - | 4.89 | 25,085 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 100,126 |
| Countries of the World in 1444 | 0 | - | 4.98 | 60,497 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.83 | 57,635 |
| Countries of Europe before World War II with a Map | 0 | - | 4.95 | 53,723 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,385,677 |
| 5 Largest Cities for Every Letter on Map | 0 | - | 4.97 | 51,675 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,700 |
| Find the City #1 | 0 | - | 4.97 | 43,057 |
| Independence from Whom | 0 | - | 4.99 | 212,291 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,868 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,644 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,576 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 111,453 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 157,706 |
| Countries of the World With a Disappearing Map | 0 | - | 5.00 | 113,234 |
| Countries within the Arctic Circle - Map Quiz | 0 | - | 4.84 | 64,226 |
| Countries by Founding Story | 0 | - | 4.95 | 77,440 |
| ALL First-Level Subdivisions of the World With a Map | 0 | - | 5.00 | 148,046 |
| All First-Level Subdivisions of Europe by Proximity | 0 | - | 4.85 | 77,371 |
| Top World Languages on a Map | 0 | - | 4.94 | 103,292 |
| Official Languages of the World on the Disappearing World Map | 0 | - | 4.99 | 117,007 |
| 407 Islands on the World Map | 0 | - | 4.99 | 35,371 |
| Countries of Europe in 1000 with a Map | 0 | - | 4.78 | 43,421 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,837,832 |
| Roman Provinces on a Map | 0 | - | 4.53 | 37,119 |
| Cities by Former Name | 0 | - | 4.83 | 91,789 |
| World Capitals by Map | 0 | - | 5.00 | 287,820 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,545 |
| Recently Independent Countries | 0 | - | 4.98 | 159,565 |
| All Countries by Northernmost Point on Land | 0 | - | 4.90 | 126,780 |
| 20 Countries on an Empty Map #1 | 0 | - | 4.94 | 62,596 |
| Countries by Former Name | 0 | - | 4.99 | 125,436 |
| Historical City to Country | 0 | - | 4.84 | 78,677 |
| Tectonic Plates on a Map | 0 | - | 4.97 | 35,775 |
| Layers of the Earth and Atmosphere | 0 | - | 4.96 | 50,586 |
| African East Coast | 0 | - | 4.96 | 96,386 |
| Modern-Day Countries of the Khmer Empire on a Map | 0 | - | 4.77 | 45,663 |
| Modern-Day Countries of the Mayan Civilization | 0 | - | 4.78 | 33,515 |
| Boundary Waters | 0 | - | 4.92 | 88,613 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,287 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,361 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,860 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,691 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,661 |
| Countries Settled by Vikings | 0 | - | 4.93 | 121,819 |
| Pixelated World Map | 0 | - | 5.00 | 143,727 |
| Warsaw Pact Countries | 0 | - | 4.83 | 84,581 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 82,438 |
| Countries Closest to Antarctica on a Map | 0 | - | 4.98 | 81,074 |
| Former Flags | 0 | - | 4.97 | 108,059 |
| Name a Valid First-Level Subdivision for Every Country | 0 | - | 4.97 | 50,201 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 311,626 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 244,041 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 230,946 |
| Countries of the World with an Empty Map - Hard Version | 0 | - | 5.00 | 305,734 |
| Ancient City to Country | 0 | - | 4.70 | 108,176 |
| City-States | 0 | - | 4.53 | 37,320 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,729 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,164 |
| City Where It Happened #3 | 0 | - | 4.53 | 40,497 |
| Countries by Independence Day | 0 | - | 4.62 | 52,795 |
| Former Countries by Capital | 0 | - | 4.45 | 127,632 |
| Former Countries | 0 | - | 4.75 | 133,985 |
| Find The Mystery Country Using Color Clues #1 | 0 | - | 4.80 | 234,646 |
| Largest World's Islands on the World Map | 0 | - | 4.69 | 176,287 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,645,671 |
| Landlocked Countries | 0 | - | 4.99 | 422,779 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,269 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 79,134 |
| Battle to Country | 0 | - | 4.91 | 53,614 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 579,539 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.98 | 68,981 |
| Modern-Day Countries of the Holy Roman Empire on a Map | 0 | - | 4.93 | 45,783 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,485 |
| Seas on the World Map | 0 | - | 4.96 | 135,620 |
| Seas of the World | 0 | - | 5.00 | 157,586 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,915 |
| 20 Random Countries on an Empty World Map | 0 | - | 4.98 | 124,746 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,855 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 83,884 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 65,216 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,423 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 57,224 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,750 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,102 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,520 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 124,537 |
| Cities by Founder and Date | 0 | - | 4.56 | 29,133 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,197 |
| City Where It Happened #1 | 0 | - | 4.23 | 106,409 |
| World Capitals Quiz | 0 | - | 5.00 | 5,088,203 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,915 |
| Himalayan Countries | 0 | - | 4.95 | 139,086 |
| Andean Countries | 0 | - | 4.93 | 84,828 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,056 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,157 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,634 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,948 |
| Danube Countries | 0 | - | 4.97 | 72,113 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,155 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,518 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,486 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,984 |
| European Landlocked Countries | 0 | - | 4.99 | 147,246 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,798 |
| Countries with the Most Species | 0 | - | 4.99 | 103,324 |
| Countries Unconquered since 1850 | 0 | - | 4.32 | 64,893 |
| Countries 197 to 205 | 0 | - | 4.90 | 70,920 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,638 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,757 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,604 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,336 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,755 |
| Countries in the Alps | 0 | - | 4.87 | 118,331 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,631 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,230 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,732 |
| Guerrillas by Country | 0 | - | 4.40 | 41,170 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,688 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,607 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,013 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,774 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,582 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,231 |
| Longest Uninterrupted Democracies | 0 | - | 4.04 | 33,231 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,938 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,701 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,578 |
| Most Recent Country To ... | 0 | - | 4.33 | 55,778 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,308 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,548 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,614 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,093 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,378 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 64,583 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,226 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,371 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,370 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,296 |
| Largest Countries By Category | 0 | - | 4.97 | 158,362 |
| Countries by Countries | 0 | - | 4.96 | 63,332 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,796 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,314 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,588 |
| Merged Country Flags | 0 | - | 4.88 | 107,022 |
| All Countries by Population With a Map | 0 | - | 4.99 | 109,861 |
| 20 Countries on a Topological Map #2 | 0 | - | 4.74 | 21,843 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,105 |
| Colourful Countries of the World | 0 | - | 4.99 | 59,867 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,761 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,784,316 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,770 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,879 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,571 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,524 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 34,969 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 209,208 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,348 |
| Longest International Borders | 0 | - | 4.99 | 265,339 |
| Countries with Three Borders | 0 | - | 4.96 | 36,644 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,167 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,282 |
| Famous Immigrants and Exiles | 0 | - | 4.46 | 23,584 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 51,649 |
| Mediterranean Geography on a Map | 0 | - | 4.49 | 37,320 |
| Largest Arctic Islands with a Map | 0 | - | 4.47 | 20,642 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,160 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,142 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 105,179 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.85 | 37,093 |
| Demonym of Every Country | 0 | - | 4.91 | 60,881 |
| People Born on Islands | 0 | - | 4.39 | 52,983 |
| Pacific Ocean General Knowledge | 0 | - | 4.70 | 36,345 |
| WWII Geography | 0 | - | 4.81 | 120,648 |
| The Same Prefixes - Geography | 0 | - | 4.48 | 47,883 |
| Biggest First-Level Subdivisions by Area | 0 | - | 4.89 | 27,030 |
| "Second Best" Geography Edition #1 | 0 | - | 4.61 | 63,539 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 332,327 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,172 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,592,632 |
| World Capitals on an Empty Map | 0 | - | 4.69 | 54,308 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,748 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 407,823 |
| Island Countries | 0 | - | 4.99 | 711,324 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,050,898 |
| Northernmost Countries | 0 | - | 4.99 | 362,351 |
| Countries of South America | 0 | - | 5.00 | 928,496 |
| Countries of Oceania | 0 | - | 5.00 | 1,058,347 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,879,730 |
| "Land" Countries | 0 | - | 4.98 | 337,568 |
| Top World Languages | 0 | - | 4.92 | 825,540 |
| Colonies of Africa with a Map | 0 | - | 4.79 | 54,583 |
| Countries of Iberia in History with a Map | 0 | - | 4.88 | 42,133 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.86 | 61,365 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 86,580 |
| All Modern-Day Countries Ever Controlled by Chinese People | 0 | - | 4.82 | 54,992 |
