| Countries by National Anthem | 0 | - | 4.93 | 71,043 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,803,084 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,590,197 |
| World Capitals by Map | 0 | - | 5.00 | 283,496 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,722 |
| Countries of the World in 1900 | 0 | - | 4.89 | 83,604 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 193,324 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 149,035 |
| Tectonic Plates on a Map | 0 | - | 4.97 | 35,300 |
| Layers of the Earth and Atmosphere | 0 | - | 4.97 | 50,199 |
| African East Coast | 0 | - | 4.96 | 95,124 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,881 |
| Megacities on a World Map | 0 | - | 4.98 | 251,172 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,927 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,893 |
| 500 Biggest Cities in the World on a Map | 0 | - | 4.96 | 120,413 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 34,179 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,420 |
| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 65,051 |
| Pixelated World Map | 0 | - | 5.00 | 142,512 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 98,796 |
| Countries of the World in 1444 | 0 | - | 4.98 | 59,609 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.83 | 56,915 |
| Countries of Europe before World War II with a Map | 0 | - | 4.94 | 52,382 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 81,398 |
| Countries Closest to Antarctica on a Map | 0 | - | 4.98 | 80,013 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 168,139 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,219 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 32,764 |
| Name a Valid First-Level Subdivision for Every Country | 0 | - | 4.97 | 49,628 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.89 | 81,321 |
| Geography by Letter on the World Map - A | 0 | - | 4.81 | 106,976 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,750 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,574 |
| Crayola Crayon Colors 64 Pack | 0 | - | 4.99 | 62,088 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 308,015 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,781 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 228,898 |
| Countries of the World with an Empty Map - Hard Version | 0 | - | 5.00 | 302,875 |
| Boundary Waters | 0 | - | 4.92 | 88,070 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,840 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,357 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 61,385 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,885 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 69,793 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,584 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 25,853 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,404 |
| Random Point on Land to Country | 0 | - | 4.99 | 232,055 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.99 | 68,253 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 26,952 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,071 |
| All Counties of the United States by Proximity | 0 | - | 4.98 | 304,647 |
| World's Longest Rivers on a Map | 0 | - | 4.91 | 86,908 |
| Rivers of Europe Quiz | 0 | - | 4.89 | 55,650 |
| Seas on the World Map | 0 | - | 4.96 | 134,139 |
| Seas of the World | 0 | - | 5.00 | 154,510 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,139 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,487 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,882 |
| 20 Random Countries on an Empty World Map | 0 | - | 4.98 | 122,657 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,033 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,497 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 63,522 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,185 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,958,232 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,835 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 88,708 |
| Landlocked Countries | 0 | - | 4.99 | 414,064 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 100,853 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 135,013 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 554,262 |
| Countries of Europe in 1000 with a Map | 0 | - | 4.78 | 42,737 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,041 |
| Largest Lakes in the United States on a Map | 0 | - | 4.90 | 29,699 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 51,200 |
| Roman Provinces on a Map | 0 | - | 4.54 | 36,599 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 105,981 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,220 |
| Twelve Days of Christmas | 0 | - | 4.45 | 145,601 |
| Rudolph the Red-Nosed Reindeer | 0 | - | 4.53 | 76,022 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,199 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,056 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,721 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,127 |
| World Capitals Quiz | 0 | - | 5.00 | 5,034,612 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,774 |
| Himalayan Countries | 0 | - | 4.95 | 135,516 |
| Andean Countries | 0 | - | 4.94 | 82,912 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,288 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,309 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,982 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,661 |
| Danube Countries | 0 | - | 4.97 | 71,122 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 115,825 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,586 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,583 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,490 |
| European Landlocked Countries | 0 | - | 4.99 | 145,809 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,279 |
| Countries with the Most Species | 0 | - | 4.99 | 95,271 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,425 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,215 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,384 |
| Countries that Use the Peso | 0 | - | 4.88 | 58,981 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,608 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,989 |
| Countries in the Alps | 0 | - | 4.86 | 116,905 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,620 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,343 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,048 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,465 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,231 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,045 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,631 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,803 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,473 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,108 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,207 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,072 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,483 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,797 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,785 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,160 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,695 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,283 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,836 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,547 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,833 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,629 |
| Largest Countries By Category | 0 | - | 4.97 | 156,844 |
| Countries by Countries | 0 | - | 4.96 | 62,308 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,479 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,978 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,346 |
| All Countries by Population With a Map | 0 | - | 4.98 | 106,848 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,161 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,816 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,720,831 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,764 |
| Western Europe Map Quiz | 0 | - | 4.87 | 93,502 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,595 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,251 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.97 | 34,465 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 206,556 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,662 |
| Longest International Borders | 0 | - | 4.99 | 263,732 |
| Countries with Three Borders | 0 | - | 4.96 | 36,214 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,623 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,713 |
| Pixelated United States Map | 0 | - | 4.89 | 93,552 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.85 | 36,873 |
| Demonym of Every Country | 0 | - | 4.91 | 58,685 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 324,634 |
| Biggest Cities in the Blue Banana | 0 | - | 4.56 | 36,029 |
| Cities with the Most Opera Performances | 0 | - | 4.57 | 40,372 |
| European Cities by Map #2 | 0 | - | 4.48 | 47,211 |
| European Cities by Map #1 | 0 | - | 4.64 | 55,580 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,815 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,024 |
| Cities in Squares on a Map - Europe | 0 | - | 4.74 | 53,229 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,572,149 |
| World Capitals on an Empty Map | 0 | - | 4.69 | 53,501 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,289 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 402,108 |
| Island Countries | 0 | - | 4.99 | 707,795 |
| Modern-Day Countries of the Khmer Empire on a Map | 0 | - | 4.74 | 45,182 |
| Modern-Day Countries of the Mayan Civilization | 0 | - | 4.77 | 32,978 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,040,103 |
| Northernmost Countries | 0 | - | 4.99 | 357,979 |
| Countries of South America | 0 | - | 5.00 | 915,617 |
| Countries of Oceania | 0 | - | 5.00 | 1,041,635 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,850,096 |
| "Land" Countries | 0 | - | 4.98 | 333,767 |
| Top World Languages | 0 | - | 4.92 | 813,740 |
| Geography by Letter on the World Map - B | 0 | - | 4.52 | 89,680 |
| Geography by Letter on the World Map - C | 0 | - | 4.78 | 116,664 |
| East Asian Islands on the Map | 0 | - | 4.54 | 32,939 |
| Colonies of Africa with a Map | 0 | - | 4.77 | 53,996 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,207 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,363,622 |
| Official Country Names of the World | 0 | - | 4.47 | 22,271 |
| Europe Map Quiz | 0 | - | 5.00 | 4,733,652 |
| All Country Flags of the World | 0 | - | 5.00 | 3,606,669 |
| Organs of the Human Body (with map) | 0 | - | 4.10 | 118,533 |
| Christmas Song Lyrics | 0 | - | 4.20 | 70,423 |
| Analogies of Countries #1 | 0 | - | 4.88 | 68,177 |
| Pacific Ocean General Knowledge | 0 | - | 4.69 | 36,217 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 103,568 |
| The Same Prefixes - Geography | 0 | - | 4.49 | 47,427 |
| "Second Best" Geography Edition #1 | 0 | - | 4.64 | 63,059 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,435,915 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,860 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,536 |
| Countries with Megacities | 0 | - | 4.99 | 247,399 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,363 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,147 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,787 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,062 |
| 5 Largest Cities for Every Letter on Map | 0 | - | 4.97 | 50,655 |
