| Countries with the Longest Coastlines | 0 | - | 4.80 | 412,305 |
| Countries With No Rivers | 0 | - | 4.96 | 76,669 |
| Tectonic Plates Map Quiz | 0 | - | 4.99 | 81,193 |
| World's Longest Rivers on a Map | 0 | - | 4.91 | 87,588 |
| Rivers of Europe Quiz | 0 | - | 4.89 | 56,203 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 115,313 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 74,607 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,300 |
| Natural Features of Countries #1 | 0 | - | 4.87 | 83,739 |
| Countries with Fjords | 0 | - | 4.94 | 100,741 |
| Tectonic Plates on a Map | 0 | - | 4.97 | 35,588 |
| Layers of the Earth and Atmosphere | 0 | - | 4.96 | 50,389 |
| Largest Lakes in the United States on a Map | 0 | - | 4.90 | 29,879 |
| Cities on a Map of the Great Lakes | 0 | - | 4.41 | 44,480 |
| Countries Bordering the Four Color Seas | 0 | - | 4.92 | 23,011 |
| World's Longest Rivers | 0 | - | 4.89 | 135,548 |
| Draw All Country Borders and Borderless Countries | 0 | - | 4.99 | 163,232 |
| Countries with the Longest Coastline Bordering Each Other | 0 | - | 4.89 | 28,687 |
| Countries That Touch the Baltic Sea | 0 | - | 4.98 | 115,968 |
| North Sea Countries | 0 | - | 4.92 | 87,281 |
| Black Sea Countries | 0 | - | 4.87 | 60,565 |
| Countries That Touch the Red Sea | 0 | - | 4.90 | 65,290 |
| Caspian Sea Countries | 0 | - | 4.90 | 63,395 |
| Countries with the Shortest Coastlines | 0 | - | 4.89 | 67,163 |
| Seas on the World Map | 0 | - | 4.96 | 135,085 |
| Seas of the World | 0 | - | 5.00 | 156,208 |
| Biggest City by River | 0 | - | 4.41 | 52,814 |
| Landforms Fill in the Blank | 0 | - | 4.41 | 91,647 |
| African Great Lakes | 0 | - | 4.82 | 65,976 |
| Megadiverse Countries | 0 | - | 4.96 | 134,723 |
| Natural Features of Countries #2 | 0 | - | 4.55 | 37,470 |
| Geologic Time Scale | 0 | - | 4.46 | 9,999 |
| Seas that Touch the Most Countries | 0 | - | 4.63 | 96,659 |
| Biggest Lakes in the World | 0 | - | 4.63 | 89,298 |
| Great Lakes Quiz | 0 | - | 4.78 | 50,321 |
| Famous Rivers | 0 | - | 4.75 | 104,851 |
| City to River #1 | 0 | - | 4.59 | 35,819 |
| Most Populous River Basins | 0 | - | 4.55 | 39,671 |
| Rivers that Flow through the Most Countries | 0 | - | 4.53 | 40,296 |
| U.S. Cities with Landforms in The Name | 0 | - | 4.26 | 70,782 |
| Atlantic Ocean General Knowledge | 0 | - | 4.74 | 21,208 |
| Indian Ocean General Knowledge | 0 | - | 4.52 | 22,201 |
| Bodies of Water by Cities | 0 | - | 4.77 | 28,574 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,577 |
| The Only African Country ... | 0 | - | 4.98 | 128,880 |
| The Only American Country ... | 0 | - | 4.92 | 121,361 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,037 |
| Five Countries by a Single Word by Continent | 0 | - | 4.91 | 77,890 |
| Bordering Countries by Clue #1 | 0 | - | 4.97 | 82,962 |
| Bordering Countries by Clue #2 | 0 | - | 4.95 | 87,212 |
| Walking Across Borders with Hints #1 | 0 | - | 4.95 | 108,738 |
| Walking Across Borders with Hints #2 | 0 | - | 4.97 | 87,378 |
| Landforms by Description Quiz | 0 | - | 4.33 | 26,005 |
| Rivers on Borders | 0 | - | 4.02 | 22,680 |
| Gulfs and Bays on the World Map | 0 | - | 4.61 | 30,182 |
| Famous Lakes Quiz | 0 | - | 4.52 | 23,985 |
| Rivers by City | 0 | - | 4.38 | 31,695 |
| City to River #2 - Difficult | 0 | - | 4.64 | 25,970 |
| Largest Rivers by Discharge | 0 | - | 4.54 | 15,999 |
| Large Countries with Small Economies | 0 | - | 4.95 | 80,724 |
| Countries by Wikipedia Descriptions #1 | 0 | - | 4.93 | 65,257 |
| Countries by Wikipedia Descriptions #4 | 0 | - | 4.87 | 56,873 |
| Boundary Waters | 0 | - | 4.92 | 88,349 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,055 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,861 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,290,914 |
| Landlocked Countries | 0 | - | 4.99 | 418,265 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,020 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,255 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,312 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,368 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,475 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,565 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,572 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,805 |
| World Capitals Quiz | 0 | - | 5.00 | 5,060,183 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,649 |
| Himalayan Countries | 0 | - | 4.94 | 137,129 |
| Andean Countries | 0 | - | 4.95 | 83,779 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,027 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,404 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,701 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,258 |
| Danube Countries | 0 | - | 4.97 | 71,586 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,453 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,989 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,525 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,584 |
| European Landlocked Countries | 0 | - | 4.99 | 146,698 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,026 |
| Countries with the Most Species | 0 | - | 4.99 | 102,822 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,165 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,401 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,558 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,263 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,933 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,312 |
| Countries in the Alps | 0 | - | 4.87 | 117,591 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,069 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,254 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,370 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,915 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,022 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,398 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,194 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,132 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,929 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,497 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,443 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,302 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,877 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,140 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,161 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,043 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,014 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,537 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,433 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,006 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,074 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,947 |
| Largest Countries By Category | 0 | - | 4.97 | 157,539 |
| Countries by Countries | 0 | - | 4.96 | 62,779 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,124 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,140 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,457 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,263 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,753,001 |
| Countries Ending in "IA" by Clue #1 | 0 | - | 4.74 | 70,394 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.90 | 115,439 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,316 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,713 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 82,180 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,377 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,664 |
| Rivers A-Z | 0 | - | 4.35 | 32,757 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 207,932 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,028 |
| Longest International Borders | 0 | - | 4.99 | 264,561 |
| Countries with Three Borders | 0 | - | 4.96 | 36,425 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,878 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,973 |
| Demonym of Every Country | 0 | - | 4.91 | 59,100 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,364 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,581,676 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,421 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 404,777 |
| Island Countries | 0 | - | 4.99 | 709,488 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,374,319 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,045,358 |
| Northernmost Countries | 0 | - | 4.99 | 360,193 |
| Countries of South America | 0 | - | 5.00 | 922,129 |
| Countries of Oceania | 0 | - | 5.00 | 1,049,976 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,864,539 |
| "Land" Countries | 0 | - | 4.98 | 335,654 |
| The Only Asian Country ... | 0 | - | 4.69 | 122,252 |
| Europe Map Quiz | 0 | - | 5.00 | 4,753,631 |
| All Country Flags of the World | 0 | - | 5.00 | 3,644,584 |
| Top World Languages | 0 | - | 4.92 | 819,524 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,019 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,322 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 104,093 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,442,430 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,499 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,785 |
| Countries with Megacities | 0 | - | 4.99 | 250,002 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,640 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,856 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,943 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,838 |
| Biggest Cities in the World | 0 | - | 4.91 | 796,044 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,771 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,868 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,200 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,223 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,870 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,495 |
| Countries by Capital City | 0 | - | 5.00 | 67,829 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,915 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,419 |
| World Capitals by Proximity | 0 | - | 4.91 | 330,455 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,906 |
| Moved Capital Cities | 0 | - | 4.96 | 74,004 |
| Capitals by River | 0 | - | 4.55 | 48,288 |
| Countries by Official Language | 0 | - | 4.95 | 194,521 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,369 |
| Countries in their Native Language | 0 | - | 4.99 | 198,083 |
| Independence from Whom | 0 | - | 4.99 | 211,188 |
| Subdivisions by Country | 0 | - | 4.86 | 50,262 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,609 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,200 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,152 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,719 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,999 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,646 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,333 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,879 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,790 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,458 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,959 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,817 |
