| Countries of the World in 1900 | 0 | - | 4.89 | 83,782 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 193,560 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 149,313 |
| Modern Day Countries of the Kushan Empire on a Map | 0 | - | 4.89 | 24,571 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 98,921 |
| Countries of the World in 1444 | 0 | - | 4.98 | 59,711 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.83 | 56,984 |
| Countries of Europe before World War II with a Map | 0 | - | 4.94 | 52,518 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,366,060 |
| 5 Largest Cities for Every Letter on Map | 0 | - | 4.97 | 50,754 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,097 |
| Find the City #1 | 0 | - | 4.97 | 42,295 |
| Independence from Whom | 0 | - | 4.99 | 210,065 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,003 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,105 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,283 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 109,021 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 153,449 |
| Countries of the World With a Disappearing Map | 0 | - | 5.00 | 111,318 |
| Countries within the Arctic Circle - Map Quiz | 0 | - | 4.84 | 63,293 |
| Countries by Founding Story | 0 | - | 4.95 | 76,685 |
| ALL First-Level Subdivisions of the World With a Map | 0 | - | 5.00 | 145,217 |
| All First-Level Subdivisions of Europe by Proximity | 0 | - | 4.84 | 76,460 |
| Top World Languages on a Map | 0 | - | 4.93 | 102,354 |
| Official Languages of the World on the Disappearing World Map | 0 | - | 4.99 | 115,368 |
| 407 Islands on the World Map | 0 | - | 4.99 | 34,795 |
| Countries of Europe in 1000 with a Map | 0 | - | 4.78 | 42,807 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,806,578 |
| Roman Provinces on a Map | 0 | - | 4.54 | 36,657 |
| Cities by Former Name | 0 | - | 4.84 | 91,115 |
| World Capitals by Map | 0 | - | 5.00 | 284,095 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,809 |
| Recently Independent Countries | 0 | - | 4.98 | 158,160 |
| All Countries by Northernmost Point on Land | 0 | - | 4.89 | 125,298 |
| 20 Countries on an Empty Map #1 | 0 | - | 4.94 | 61,909 |
| Countries by Former Name | 0 | - | 4.99 | 124,474 |
| Historical City to Country | 0 | - | 4.84 | 78,219 |
| Tectonic Plates on a Map | 0 | - | 4.97 | 35,351 |
| Layers of the Earth and Atmosphere | 0 | - | 4.96 | 50,237 |
| African East Coast | 0 | - | 4.96 | 95,255 |
| Modern-Day Countries of the Khmer Empire on a Map | 0 | - | 4.74 | 45,224 |
| Modern-Day Countries of the Mayan Civilization | 0 | - | 4.77 | 33,069 |
| Boundary Waters | 0 | - | 4.92 | 88,123 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,890 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,466 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 61,548 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,977 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 69,882 |
| Countries Settled by Vikings | 0 | - | 4.93 | 120,973 |
| Pixelated World Map | 0 | - | 5.00 | 142,642 |
| Warsaw Pact Countries | 0 | - | 4.83 | 84,317 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 81,487 |
| Countries Closest to Antarctica on a Map | 0 | - | 4.98 | 80,084 |
| Former Flags | 0 | - | 4.97 | 106,922 |
| Name a Valid First-Level Subdivision for Every Country | 0 | - | 4.97 | 49,686 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 308,431 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 242,018 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 229,135 |
| Countries of the World with an Empty Map - Hard Version | 0 | - | 5.00 | 303,233 |
| Ancient City to Country | 0 | - | 4.70 | 107,699 |
| City-States | 0 | - | 4.53 | 37,145 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,532 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,005 |
| City Where It Happened #3 | 0 | - | 4.53 | 40,278 |
| Countries by Independence Day | 0 | - | 4.56 | 52,639 |
| Former Countries by Capital | 0 | - | 4.45 | 127,152 |
| Former Countries | 0 | - | 4.75 | 132,834 |
| Find The Mystery Country Using Color Clues #1 | 0 | - | 4.80 | 232,376 |
| Largest World's Islands on the World Map | 0 | - | 4.69 | 174,230 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,030,303 |
| Landlocked Countries | 0 | - | 4.99 | 415,015 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,555 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 78,247 |
| Battle to Country | 0 | - | 4.91 | 52,663 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 556,936 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.98 | 68,323 |
| Modern-Day Countries of the Holy Roman Empire on a Map | 0 | - | 4.93 | 45,344 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,217 |
| Seas on the World Map | 0 | - | 4.96 | 134,496 |
| Seas of the World | 0 | - | 5.00 | 154,839 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,032 |
| 20 Random Countries on an Empty World Map | 0 | - | 4.98 | 122,899 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,213 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,645 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 63,675 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,311 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,200 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,265 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,164 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,047 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,281 |
| Cities by Founder and Date | 0 | - | 4.56 | 29,038 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,043 |
| City Where It Happened #1 | 0 | - | 4.24 | 106,175 |
| World Capitals Quiz | 0 | - | 5.00 | 5,040,925 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,157 |
| Himalayan Countries | 0 | - | 4.95 | 135,859 |
| Andean Countries | 0 | - | 4.94 | 83,104 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,429 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,540 |
| Coffee Producing Countries | 0 | - | 4.82 | 66,133 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,788 |
| Danube Countries | 0 | - | 4.97 | 71,234 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 115,956 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,673 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,790 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,708 |
| European Landlocked Countries | 0 | - | 4.99 | 145,936 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,454 |
| Countries with the Most Species | 0 | - | 4.99 | 95,319 |
| Countries Unconquered since 1850 | 0 | - | 4.32 | 64,690 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,597 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,253 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,427 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,042 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,695 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,053 |
| Countries in the Alps | 0 | - | 4.86 | 117,068 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,719 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,527 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,138 |
| Guerrillas by Country | 0 | - | 4.40 | 40,995 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,558 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,335 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,120 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,750 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,875 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,658 |
| Longest Uninterrupted Democracies | 0 | - | 4.04 | 33,121 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,185 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,257 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,124 |
| Most Recent Country To ... | 0 | - | 4.33 | 55,461 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,585 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,855 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,867 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,376 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,771 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,336 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,980 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 240,079 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,104 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,704 |
| Largest Countries By Category | 0 | - | 4.97 | 156,977 |
| Countries by Countries | 0 | - | 4.96 | 62,410 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,605 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,011 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,371 |
| Merged Country Flags | 0 | - | 4.88 | 106,157 |
| All Countries by Population With a Map | 0 | - | 4.98 | 107,188 |
| 20 Countries on a Topological Map #2 | 0 | - | 4.74 | 21,627 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,249 |
| Colourful Countries of the World | 0 | - | 4.99 | 59,173 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,909 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,728,096 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,851 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,532 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,687 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,281 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.97 | 34,527 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 206,802 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,728 |
| Longest International Borders | 0 | - | 4.99 | 264,057 |
| Countries with Three Borders | 0 | - | 4.96 | 36,274 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,683 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,774 |
| Famous Immigrants and Exiles | 0 | - | 4.43 | 22,849 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 51,255 |
| Mediterranean Geography on a Map | 0 | - | 4.49 | 37,125 |
| Largest Arctic Islands with a Map | 0 | - | 4.46 | 20,529 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,101 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,566 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,318 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.85 | 36,906 |
| Demonym of Every Country | 0 | - | 4.91 | 58,769 |
| People Born on Islands | 0 | - | 4.39 | 52,781 |
| Pacific Ocean General Knowledge | 0 | - | 4.69 | 36,226 |
| WWII Geography | 0 | - | 4.81 | 119,492 |
| The Same Prefixes - Geography | 0 | - | 4.48 | 47,475 |
| Biggest First-Level Subdivisions by Area | 0 | - | 4.89 | 26,658 |
| "Second Best" Geography Edition #1 | 0 | - | 4.64 | 63,110 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 325,560 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,037 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,574,193 |
| World Capitals on an Empty Map | 0 | - | 4.69 | 53,612 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,629 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 402,585 |
| Island Countries | 0 | - | 4.99 | 708,175 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,041,319 |
| Northernmost Countries | 0 | - | 4.99 | 358,525 |
| Countries of South America | 0 | - | 5.00 | 917,298 |
| Countries of Oceania | 0 | - | 5.00 | 1,043,451 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,853,142 |
| "Land" Countries | 0 | - | 4.98 | 334,016 |
| Top World Languages | 0 | - | 4.92 | 814,978 |
| Colonies of Africa with a Map | 0 | - | 4.78 | 54,061 |
| Countries of Iberia in History with a Map | 0 | - | 4.87 | 41,236 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.87 | 60,502 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 85,657 |
| All Modern-Day Countries Ever Controlled by Chinese People | 0 | - | 4.82 | 54,393 |
