| All Modern-Day Countries Ever Controlled by Turkic People | 0 | - | 4.95 | 40,681 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 98,688 |
| Countries of the World in 1444 | 0 | - | 4.98 | 59,491 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.83 | 56,851 |
| Countries of Europe before World War II with a Map | 0 | - | 4.94 | 52,269 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,139 |
| Countries of the World in 1900 | 0 | - | 4.89 | 83,453 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 193,092 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 148,793 |
| Modern-Day Countries of the Khmer Empire on a Map | 0 | - | 4.74 | 45,132 |
| Modern-Day Countries of the Mayan Civilization | 0 | - | 4.77 | 32,927 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,361,630 |
| 5 Largest Cities for Every Letter on Map | 0 | - | 4.97 | 50,582 |
| Global Cities on a World Map | 0 | - | 4.93 | 134,715 |
| Find the City #1 | 0 | - | 4.97 | 42,088 |
| Independence from Whom | 0 | - | 4.99 | 209,621 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,701 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 61,984 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 92,876 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 108,517 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 152,532 |
| Countries of the World With a Disappearing Map | 0 | - | 5.00 | 110,928 |
| Countries within the Arctic Circle - Map Quiz | 0 | - | 4.84 | 63,076 |
| Countries by Founding Story | 0 | - | 4.95 | 76,504 |
| ALL First-Level Subdivisions of the World With a Map | 0 | - | 5.00 | 144,618 |
| All First-Level Subdivisions of Europe by Proximity | 0 | - | 4.84 | 76,296 |
| Top World Languages on a Map | 0 | - | 4.93 | 102,223 |
| Official Languages of the World on the Disappearing World Map | 0 | - | 4.98 | 115,047 |
| 407 Islands on the World Map | 0 | - | 4.99 | 34,680 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,800,073 |
| Countries of Europe in 1000 with a Map | 0 | - | 4.78 | 42,677 |
| Roman Provinces on a Map | 0 | - | 4.54 | 36,547 |
| Cities by Former Name | 0 | - | 4.84 | 90,943 |
| World Capitals by Map | 0 | - | 5.00 | 283,110 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,643 |
| Recently Independent Countries | 0 | - | 4.98 | 157,958 |
| All Countries by Northernmost Point on Land | 0 | - | 4.89 | 124,994 |
| 20 Countries on an Empty Map #1 | 0 | - | 4.94 | 61,737 |
| Countries by Former Name | 0 | - | 4.99 | 124,254 |
| Historical City to Country | 0 | - | 4.84 | 78,115 |
| Tectonic Plates on a Map | 0 | - | 4.97 | 35,271 |
| Layers of the Earth and Atmosphere | 0 | - | 4.97 | 50,169 |
| African East Coast | 0 | - | 4.96 | 95,014 |
| Countries Settled by Vikings | 0 | - | 4.93 | 120,822 |
| Pixelated World Map | 0 | - | 5.00 | 142,400 |
| Warsaw Pact Countries | 0 | - | 4.83 | 84,265 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 81,311 |
| Countries Closest to Antarctica on a Map | 0 | - | 4.98 | 79,941 |
| Former Flags | 0 | - | 4.97 | 106,648 |
| Name a Valid First-Level Subdivision for Every Country | 0 | - | 4.97 | 49,591 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,765 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,598 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 228,733 |
| Countries of the World with an Empty Map - Hard Version | 0 | - | 5.00 | 302,647 |
| Boundary Waters | 0 | - | 4.92 | 88,027 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,801 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,246 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 61,244 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,818 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 69,713 |
| Ancient City to Country | 0 | - | 4.70 | 107,596 |
| City-States | 0 | - | 4.53 | 37,091 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,477 |
| City Where It Happened #2 | 0 | - | 4.42 | 52,957 |
| City Where It Happened #3 | 0 | - | 4.53 | 40,224 |
| Countries by Independence Day | 0 | - | 4.56 | 52,597 |
| Former Countries by Capital | 0 | - | 4.45 | 127,029 |
| Former Countries | 0 | - | 4.75 | 132,673 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,346 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 78,002 |
| Battle to Country | 0 | - | 4.91 | 52,498 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.99 | 68,176 |
| Find The Mystery Country Using Color Clues #1 | 0 | - | 4.80 | 231,855 |
| Modern-Day Countries of the Holy Roman Empire on a Map | 0 | - | 4.93 | 45,261 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 62,912 |
| Seas on the World Map | 0 | - | 4.96 | 133,791 |
| Seas of the World | 0 | - | 5.00 | 154,282 |
| Largest World's Islands on the World Map | 0 | - | 4.69 | 173,877 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 93,876 |
| 20 Random Countries on an Empty World Map | 0 | - | 4.98 | 122,402 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 148,899 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,384 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 63,349 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,075 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 55,985 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,899,894 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,011 |
| Landlocked Countries | 0 | - | 4.99 | 413,371 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 552,359 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 51,146 |
| Mediterranean Geography on a Map | 0 | - | 4.49 | 37,081 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 105,839 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,219 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,128 |
| WWII Geography | 0 | - | 4.81 | 119,318 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,147 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 94,975 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,570 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 122,919 |
| Cities by Founder and Date | 0 | - | 4.56 | 29,007 |
| City Where It Happened #1 | 0 | - | 4.24 | 106,123 |
| World Capitals Quiz | 0 | - | 5.00 | 5,029,941 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,478 |
| Himalayan Countries | 0 | - | 4.95 | 135,266 |
| Andean Countries | 0 | - | 4.94 | 82,777 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,190 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,134 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,851 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,560 |
| Danube Countries | 0 | - | 4.97 | 71,060 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,725 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,513 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,415 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,340 |
| European Landlocked Countries | 0 | - | 4.99 | 145,726 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,164 |
| Countries with the Most Species | 0 | - | 4.99 | 95,229 |
| Countries Unconquered since 1850 | 0 | - | 4.32 | 64,639 |
| Countries 197 to 205 | 0 | - | 4.87 | 69,304 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,192 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,358 |
| Countries that Use the Peso | 0 | - | 4.88 | 58,946 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,557 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,930 |
| Countries in the Alps | 0 | - | 4.86 | 116,779 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,531 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,206 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 77,990 |
| Guerrillas by Country | 0 | - | 4.40 | 40,945 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,400 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,128 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 94,975 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,545 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,731 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,158 |
| Longest Uninterrupted Democracies | 0 | - | 4.04 | 33,093 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,029 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,187 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,027 |
| Most Recent Country To ... | 0 | - | 4.33 | 55,393 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,427 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,717 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,730 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,013 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,617 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,241 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,743 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,145 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,561 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,584 |
| Largest Countries By Category | 0 | - | 4.97 | 156,713 |
| Countries by Countries | 0 | - | 4.96 | 62,235 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,343 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,956 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,321 |
| Merged Country Flags | 0 | - | 4.88 | 105,987 |
| All Countries by Population With a Map | 0 | - | 4.98 | 106,589 |
| 20 Countries on a Topological Map #2 | 0 | - | 4.74 | 21,567 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,081 |
| Colourful Countries of the World | 0 | - | 4.99 | 59,034 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,733 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,714,467 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,684 |
| Western Europe Map Quiz | 0 | - | 4.87 | 93,475 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,532 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,224 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.97 | 34,431 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 206,352 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,606 |
| Longest International Borders | 0 | - | 4.99 | 263,508 |
| Countries with Three Borders | 0 | - | 4.96 | 36,170 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,589 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,650 |
| Famous Immigrants and Exiles | 0 | - | 4.48 | 20,433 |
| Largest Arctic Islands with a Map | 0 | - | 4.46 | 20,509 |
| Countries of Iberia in History with a Map | 0 | - | 4.87 | 41,119 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.87 | 60,341 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 85,466 |
| All Modern-Day Countries Ever Controlled by Chinese People | 0 | - | 4.82 | 54,260 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.85 | 36,849 |
| Demonym of Every Country | 0 | - | 4.91 | 58,618 |
| People Born on Islands | 0 | - | 4.39 | 52,742 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,570 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,010 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,570,508 |
| World Capitals on an Empty Map | 0 | - | 4.69 | 53,453 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,038 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 401,700 |
| Island Countries | 0 | - | 4.99 | 707,517 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,039,161 |
| Northernmost Countries | 0 | - | 4.99 | 357,591 |
| Countries of South America | 0 | - | 5.00 | 914,292 |
| Countries of Oceania | 0 | - | 5.00 | 1,039,924 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,847,461 |
| "Land" Countries | 0 | - | 4.98 | 333,576 |
| Top World Languages | 0 | - | 4.92 | 812,809 |
| Colonies of Africa with a Map | 0 | - | 4.77 | 53,928 |
| Biggest First-Level Subdivisions by Area | 0 | - | 4.89 | 26,580 |
| Countries in World War I | 0 | - | 4.88 | 226,563 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 227,367 |
