| Countries of the World in 1900 | 0 | - | 4.89 | 85,364 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 195,934 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 151,457 |
| Modern Day Countries of the Kushan Empire on a Map | 0 | - | 4.89 | 25,075 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 100,124 |
| Countries of the World in 1444 | 0 | - | 4.98 | 60,490 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.83 | 57,628 |
| Countries of Europe before World War II with a Map | 0 | - | 4.95 | 53,715 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,385,558 |
| 5 Largest Cities for Every Letter on Map | 0 | - | 4.97 | 51,672 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,685 |
| Find the City #1 | 0 | - | 4.97 | 43,049 |
| Independence from Whom | 0 | - | 4.99 | 212,281 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,862 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,643 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,574 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 111,431 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 157,667 |
| Countries of the World With a Disappearing Map | 0 | - | 5.00 | 113,218 |
| Countries within the Arctic Circle - Map Quiz | 0 | - | 4.84 | 64,217 |
| Countries by Founding Story | 0 | - | 4.95 | 77,438 |
| ALL First-Level Subdivisions of the World With a Map | 0 | - | 5.00 | 148,012 |
| All First-Level Subdivisions of Europe by Proximity | 0 | - | 4.85 | 77,366 |
| Top World Languages on a Map | 0 | - | 4.94 | 103,287 |
| Official Languages of the World on the Disappearing World Map | 0 | - | 4.99 | 117,002 |
| 407 Islands on the World Map | 0 | - | 4.99 | 35,369 |
| Countries of Europe in 1000 with a Map | 0 | - | 4.78 | 43,418 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,837,628 |
| Roman Provinces on a Map | 0 | - | 4.53 | 37,112 |
| Cities by Former Name | 0 | - | 4.83 | 91,786 |
| World Capitals by Map | 0 | - | 5.00 | 287,790 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,541 |
| Recently Independent Countries | 0 | - | 4.98 | 159,559 |
| All Countries by Northernmost Point on Land | 0 | - | 4.90 | 126,776 |
| 20 Countries on an Empty Map #1 | 0 | - | 4.94 | 62,590 |
| Countries by Former Name | 0 | - | 4.99 | 125,430 |
| Historical City to Country | 0 | - | 4.84 | 78,675 |
| Tectonic Plates on a Map | 0 | - | 4.97 | 35,773 |
| Layers of the Earth and Atmosphere | 0 | - | 4.96 | 50,586 |
| African East Coast | 0 | - | 4.96 | 96,374 |
| Modern-Day Countries of the Khmer Empire on a Map | 0 | - | 4.77 | 45,658 |
| Modern-Day Countries of the Mayan Civilization | 0 | - | 4.78 | 33,509 |
| Boundary Waters | 0 | - | 4.92 | 88,613 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,285 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,357 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,844 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,688 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,653 |
| Countries Settled by Vikings | 0 | - | 4.93 | 121,815 |
| Pixelated World Map | 0 | - | 5.00 | 143,711 |
| Warsaw Pact Countries | 0 | - | 4.83 | 84,579 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 82,433 |
| Countries Closest to Antarctica on a Map | 0 | - | 4.98 | 81,071 |
| Former Flags | 0 | - | 4.97 | 108,054 |
| Name a Valid First-Level Subdivision for Every Country | 0 | - | 4.97 | 50,198 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 311,615 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 244,035 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 230,942 |
| Countries of the World with an Empty Map - Hard Version | 0 | - | 5.00 | 305,717 |
| Ancient City to Country | 0 | - | 4.70 | 108,176 |
| City-States | 0 | - | 4.53 | 37,319 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,729 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,162 |
| City Where It Happened #3 | 0 | - | 4.53 | 40,493 |
| Countries by Independence Day | 0 | - | 4.62 | 52,794 |
| Former Countries by Capital | 0 | - | 4.45 | 127,631 |
| Former Countries | 0 | - | 4.75 | 133,984 |
| Find The Mystery Country Using Color Clues #1 | 0 | - | 4.80 | 234,638 |
| Largest World's Islands on the World Map | 0 | - | 4.69 | 176,282 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,641,848 |
| Landlocked Countries | 0 | - | 4.99 | 422,721 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,266 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 79,127 |
| Battle to Country | 0 | - | 4.91 | 53,607 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 579,366 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.98 | 68,974 |
| Modern-Day Countries of the Holy Roman Empire on a Map | 0 | - | 4.93 | 45,778 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,477 |
| Seas on the World Map | 0 | - | 4.96 | 135,616 |
| Seas of the World | 0 | - | 5.00 | 157,572 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,914 |
| 20 Random Countries on an Empty World Map | 0 | - | 4.98 | 124,717 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,846 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 83,862 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 65,209 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,418 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 57,219 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,747 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,095 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,517 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 124,528 |
| Cities by Founder and Date | 0 | - | 4.56 | 29,133 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,196 |
| City Where It Happened #1 | 0 | - | 4.23 | 106,406 |
| World Capitals Quiz | 0 | - | 5.00 | 5,087,908 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,892 |
| Himalayan Countries | 0 | - | 4.95 | 139,065 |
| Andean Countries | 0 | - | 4.93 | 84,820 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,048 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,136 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,625 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,944 |
| Danube Countries | 0 | - | 4.97 | 72,109 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,141 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,512 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,475 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,965 |
| European Landlocked Countries | 0 | - | 4.99 | 147,243 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,784 |
| Countries with the Most Species | 0 | - | 4.99 | 103,320 |
| Countries Unconquered since 1850 | 0 | - | 4.32 | 64,892 |
| Countries 197 to 205 | 0 | - | 4.90 | 70,910 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,635 |
| 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 | 73,330 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,751 |
| Countries in the Alps | 0 | - | 4.87 | 118,324 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,598 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,214 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,727 |
| Guerrillas by Country | 0 | - | 4.40 | 41,168 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,685 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,597 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,008 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,766 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,577 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,230 |
| Longest Uninterrupted Democracies | 0 | - | 4.04 | 33,231 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,934 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,699 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,578 |
| Most Recent Country To ... | 0 | - | 4.33 | 55,777 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,306 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,546 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,612 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,078 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,376 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 64,557 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,220 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,347 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,358 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,294 |
| Largest Countries By Category | 0 | - | 4.97 | 158,359 |
| Countries by Countries | 0 | - | 4.96 | 63,328 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,788 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,312 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,588 |
| Merged Country Flags | 0 | - | 4.88 | 107,020 |
| All Countries by Population With a Map | 0 | - | 4.99 | 109,847 |
| 20 Countries on a Topological Map #2 | 0 | - | 4.74 | 21,841 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,099 |
| Colourful Countries of the World | 0 | - | 4.99 | 59,866 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,758 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,784,023 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,768 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,876 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,568 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,522 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 34,967 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 209,189 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,347 |
| Longest International Borders | 0 | - | 4.99 | 265,329 |
| Countries with Three Borders | 0 | - | 4.96 | 36,643 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,163 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,277 |
| Famous Immigrants and Exiles | 0 | - | 4.46 | 23,581 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 51,649 |
| Mediterranean Geography on a Map | 0 | - | 4.49 | 37,319 |
| Largest Arctic Islands with a Map | 0 | - | 4.47 | 20,641 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,152 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,132 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 105,175 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.85 | 37,093 |
| Demonym of Every Country | 0 | - | 4.91 | 60,876 |
| People Born on Islands | 0 | - | 4.39 | 52,983 |
| Pacific Ocean General Knowledge | 0 | - | 4.70 | 36,343 |
| WWII Geography | 0 | - | 4.81 | 120,645 |
| The Same Prefixes - Geography | 0 | - | 4.48 | 47,879 |
| Biggest First-Level Subdivisions by Area | 0 | - | 4.89 | 27,029 |
| "Second Best" Geography Edition #1 | 0 | - | 4.61 | 63,537 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 332,283 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,171 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,592,507 |
| World Capitals on an Empty Map | 0 | - | 4.69 | 54,300 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,733 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 407,790 |
| Island Countries | 0 | - | 4.99 | 711,309 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,050,819 |
| Northernmost Countries | 0 | - | 4.99 | 362,324 |
| Countries of South America | 0 | - | 5.00 | 928,423 |
| Countries of Oceania | 0 | - | 5.00 | 1,058,259 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,879,594 |
| "Land" Countries | 0 | - | 4.98 | 337,557 |
| Top World Languages | 0 | - | 4.92 | 825,462 |
| Colonies of Africa with a Map | 0 | - | 4.79 | 54,582 |
| Countries of Iberia in History with a Map | 0 | - | 4.88 | 42,129 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.86 | 61,359 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 86,573 |
| All Modern-Day Countries Ever Controlled by Chinese People | 0 | - | 4.82 | 54,992 |
