| Countries That Touch the Baltic Sea | 0 | - | 4.98 | 116,135 |
| North Sea Countries | 0 | - | 4.92 | 87,628 |
| Black Sea Countries | 0 | - | 4.87 | 60,708 |
| Countries That Touch the Red Sea | 0 | - | 4.90 | 65,528 |
| Caspian Sea Countries | 0 | - | 4.91 | 63,631 |
| Seas on the World Map | 0 | - | 4.96 | 135,823 |
| Seas of the World | 0 | - | 5.00 | 158,030 |
| World's Longest Rivers | 0 | - | 4.90 | 137,431 |
| Countries Bordering the Four Color Seas | 0 | - | 4.92 | 23,213 |
| Countries With No Rivers | 0 | - | 4.96 | 77,062 |
| Countries with the Shortest Coastlines | 0 | - | 4.89 | 67,340 |
| Tectonic Plates Map Quiz | 0 | - | 4.99 | 81,945 |
| World's Longest Rivers on a Map | 0 | - | 4.90 | 88,179 |
| Rivers of Europe Quiz | 0 | - | 4.89 | 56,759 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 115,848 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 74,925 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,702 |
| Natural Features of Countries #1 | 0 | - | 4.87 | 83,994 |
| Countries with Fjords | 0 | - | 4.94 | 101,217 |
| Tectonic Plates on a Map | 0 | - | 4.97 | 35,838 |
| Layers of the Earth and Atmosphere | 0 | - | 4.96 | 50,652 |
| Largest Lakes in the United States on a Map | 0 | - | 4.90 | 30,117 |
| Draw All Country Borders and Borderless Countries | 0 | - | 4.99 | 165,058 |
| Countries with the Longest Coastline Bordering Each Other | 0 | - | 4.88 | 29,255 |
| Countries with the Longest Coastlines | 0 | - | 4.80 | 413,847 |
| Biggest Lakes in the World | 0 | - | 4.63 | 89,848 |
| Great Lakes Quiz | 0 | - | 4.80 | 50,588 |
| Famous Rivers | 0 | - | 4.75 | 105,185 |
| City to River #1 | 0 | - | 4.59 | 35,889 |
| Most Populous River Basins | 0 | - | 4.55 | 39,785 |
| Rivers that Flow through the Most Countries | 0 | - | 4.53 | 40,437 |
| Cities on a Map of the Great Lakes | 0 | - | 4.41 | 44,688 |
| Landforms Fill in the Blank | 0 | - | 4.41 | 91,851 |
| Megadiverse Countries | 0 | - | 4.96 | 135,181 |
| Gulfs and Bays on the World Map | 0 | - | 4.62 | 30,365 |
| Famous Lakes Quiz | 0 | - | 4.52 | 24,056 |
| Rivers by City | 0 | - | 4.38 | 31,764 |
| City to River #2 - Difficult | 0 | - | 4.64 | 26,181 |
| Largest Rivers by Discharge | 0 | - | 4.54 | 16,071 |
| Natural Features of Countries #2 | 0 | - | 4.55 | 37,596 |
| Biggest City by River | 0 | - | 4.38 | 52,934 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.91 | 116,239 |
| Geologic Time Scale | 0 | - | 4.41 | 10,058 |
| Seas that Touch the Most Countries | 0 | - | 4.63 | 97,043 |
| U.S. Cities with Landforms in The Name | 0 | - | 4.27 | 70,843 |
| Atlantic Ocean General Knowledge | 0 | - | 4.74 | 21,296 |
| Indian Ocean General Knowledge | 0 | - | 4.52 | 22,278 |
| Bodies of Water by Cities | 0 | - | 4.77 | 28,702 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,814 |
| The Only African Country ... | 0 | - | 4.99 | 129,530 |
| The Only American Country ... | 0 | - | 4.92 | 122,074 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,323 |
| Five Countries by a Single Word by Continent | 0 | - | 4.91 | 78,588 |
| Bordering Countries by Clue #1 | 0 | - | 4.97 | 83,277 |
| Bordering Countries by Clue #2 | 0 | - | 4.95 | 87,598 |
| Walking Across Borders with Hints #1 | 0 | - | 4.94 | 109,229 |
| Walking Across Borders with Hints #2 | 0 | - | 4.97 | 87,836 |
| Landforms by Description Quiz | 0 | - | 4.33 | 26,031 |
| Rivers on Borders | 0 | - | 4.02 | 22,728 |
| Large Countries with Small Economies | 0 | - | 4.95 | 81,207 |
| Countries by Wikipedia Descriptions #1 | 0 | - | 4.93 | 65,521 |
| Countries by Wikipedia Descriptions #4 | 0 | - | 4.87 | 57,101 |
| Boundary Waters | 0 | - | 4.92 | 88,702 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,354 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,530 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,765,917 |
| Landlocked Countries | 0 | - | 4.99 | 424,260 |
| Seas of Europe | 0 | - | 4.37 | 84,848 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,845 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,260 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,778 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,808 |
| World Capitals Quiz | 0 | - | 5.00 | 5,097,819 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,532 |
| Himalayan Countries | 0 | - | 4.94 | 139,689 |
| Andean Countries | 0 | - | 4.94 | 85,142 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,319 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,570 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,896 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,176 |
| Danube Countries | 0 | - | 4.97 | 72,251 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,384 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,683 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,807 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,297 |
| European Landlocked Countries | 0 | - | 4.99 | 147,431 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,045 |
| Countries with the Most Species | 0 | - | 4.99 | 103,457 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,175 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,701 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,813 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,728 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,456 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,880 |
| Countries in the Alps | 0 | - | 4.87 | 118,543 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,226 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,559 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,843 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,854 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,777 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,117 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,980 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,709 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,329 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,046 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,782 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,650 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,427 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,666 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,754 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,454 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,503 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 65,463 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,455 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,110 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,781 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,412 |
| Largest Countries By Category | 0 | - | 4.97 | 158,603 |
| Countries by Countries | 0 | - | 4.96 | 63,484 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,056 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,359 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,638 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,958 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,794,902 |
| Countries Ending in "IA" by Clue #1 | 0 | - | 4.74 | 70,677 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,315 |
| Western Europe Map Quiz | 0 | - | 4.85 | 93,942 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,703 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,584 |
| Rivers A-Z | 0 | - | 4.35 | 32,839 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 209,698 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,467 |
| Longest International Borders | 0 | - | 4.99 | 265,595 |
| Countries with Three Borders | 0 | - | 4.96 | 36,709 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,277 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,413 |
| Demonym of Every Country | 0 | - | 4.90 | 61,258 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 333,827 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,596,310 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,240 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 408,801 |
| Island Countries | 0 | - | 4.99 | 711,975 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,390,168 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,053,007 |
| Northernmost Countries | 0 | - | 4.99 | 363,316 |
| Countries of South America | 0 | - | 5.00 | 930,574 |
| Countries of Oceania | 0 | - | 5.00 | 1,060,982 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,884,791 |
| "Land" Countries | 0 | - | 4.98 | 338,002 |
| The Only Asian Country ... | 0 | - | 4.69 | 122,724 |
| Europe Map Quiz | 0 | - | 5.00 | 4,781,447 |
| All Country Flags of the World | 0 | - | 5.00 | 3,701,120 |
| Top World Languages | 0 | - | 4.92 | 827,863 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,169 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,668 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 104,846 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,451,916 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,931 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,723 |
| Countries with Megacities | 0 | - | 4.99 | 266,242 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,445 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,862 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,740 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,976 |
| Biggest Cities in the World | 0 | - | 4.92 | 803,992 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,037 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,974 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,842 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,027 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,978 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,870 |
| Countries by Capital City | 0 | - | 5.00 | 69,144 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,696 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,083 |
| World Capitals by Proximity | 0 | - | 4.91 | 333,234 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,663 |
| Moved Capital Cities | 0 | - | 4.96 | 74,554 |
| Countries by Official Language | 0 | - | 4.95 | 195,744 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,255 |
| Countries in their Native Language | 0 | - | 4.99 | 199,517 |
| Independence from Whom | 0 | - | 4.99 | 212,698 |
| Subdivisions by Country | 0 | - | 4.87 | 50,553 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,176 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,737 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,474 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 126,371 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,177 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,415 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,737 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,856 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,495 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,769 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,219 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,150 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 108,296 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,361 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,082 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,504 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,618 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 111,957 |
