| Countries With No Rivers | 0 | - | 4.96 | 76,937 |
| World's Longest Rivers on a Map | 0 | - | 4.91 | 87,985 |
| Rivers of Europe Quiz | 0 | - | 4.89 | 56,604 |
| World's Longest Rivers | 0 | - | 4.90 | 137,086 |
| Countries Bordering the Four Color Seas | 0 | - | 4.92 | 23,156 |
| Tectonic Plates Map Quiz | 0 | - | 4.99 | 81,739 |
| Countries with the Longest Coastline Bordering Each Other | 0 | - | 4.89 | 29,081 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 115,670 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 74,825 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,593 |
| Natural Features of Countries #1 | 0 | - | 4.87 | 83,911 |
| Countries with Fjords | 0 | - | 4.94 | 101,068 |
| Tectonic Plates on a Map | 0 | - | 4.97 | 35,760 |
| Layers of the Earth and Atmosphere | 0 | - | 4.96 | 50,574 |
| Largest Lakes in the United States on a Map | 0 | - | 4.90 | 30,038 |
| Draw All Country Borders and Borderless Countries | 0 | - | 4.99 | 164,438 |
| Biggest City by River | 0 | - | 4.38 | 52,892 |
| Countries That Touch the Baltic Sea | 0 | - | 4.98 | 116,086 |
| North Sea Countries | 0 | - | 4.92 | 87,508 |
| Black Sea Countries | 0 | - | 4.87 | 60,662 |
| Countries That Touch the Red Sea | 0 | - | 4.90 | 65,461 |
| Caspian Sea Countries | 0 | - | 4.91 | 63,562 |
| Countries with the Shortest Coastlines | 0 | - | 4.89 | 67,288 |
| Countries with the Longest Coastlines | 0 | - | 4.80 | 413,440 |
| Famous Rivers | 0 | - | 4.75 | 105,085 |
| City to River #1 | 0 | - | 4.59 | 35,868 |
| Most Populous River Basins | 0 | - | 4.55 | 39,751 |
| Rivers that Flow through the Most Countries | 0 | - | 4.53 | 40,394 |
| Seas on the World Map | 0 | - | 4.96 | 135,572 |
| Seas of the World | 0 | - | 5.00 | 157,500 |
| Cities on a Map of the Great Lakes | 0 | - | 4.41 | 44,624 |
| Landforms Fill in the Blank | 0 | - | 4.41 | 91,784 |
| Megadiverse Countries | 0 | - | 4.96 | 135,054 |
| Rivers by City | 0 | - | 4.38 | 31,744 |
| City to River #2 - Difficult | 0 | - | 4.64 | 26,128 |
| Largest Rivers by Discharge | 0 | - | 4.54 | 16,043 |
| Natural Features of Countries #2 | 0 | - | 4.55 | 37,544 |
| Geologic Time Scale | 0 | - | 4.41 | 10,037 |
| Seas that Touch the Most Countries | 0 | - | 4.63 | 96,928 |
| Biggest Lakes in the World | 0 | - | 4.63 | 89,749 |
| Great Lakes Quiz | 0 | - | 4.80 | 50,507 |
| U.S. Cities with Landforms in The Name | 0 | - | 4.27 | 70,822 |
| Atlantic Ocean General Knowledge | 0 | - | 4.74 | 21,259 |
| Indian Ocean General Knowledge | 0 | - | 4.52 | 22,259 |
| Bodies of Water by Cities | 0 | - | 4.77 | 28,664 |
| Monarchies Bordering Monarchies | 0 | - | 4.81 | 60,440 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,739 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 227,002 |
| European Countries with One Border | 0 | - | 4.97 | 183,163 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,943 |
| Landforms by Description Quiz | 0 | - | 4.33 | 26,026 |
| Countries That Border Russia | 0 | - | 4.98 | 462,930 |
| Countries Bordering France | 0 | - | 4.83 | 403,660 |
| Countries Bordering Germany | 0 | - | 4.99 | 370,778 |
| Gulfs and Bays on the World Map | 0 | - | 4.62 | 30,309 |
| Famous Lakes Quiz | 0 | - | 4.52 | 24,031 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 125,451 |
| Richest Countries Bordering Each Other | 0 | - | 4.99 | 154,473 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 89,202 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,949 |
| Rich Countries Bordering Poor Countries | 0 | - | 4.89 | 100,292 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,324 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 76,524 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,852 |
| African Great Lakes | 0 | - | 4.82 | 66,544 |
| Boundary Waters | 0 | - | 4.92 | 88,598 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,269 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,317 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,616,166 |
| Landlocked Countries | 0 | - | 4.99 | 422,403 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,198 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,533 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,478 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,530 |
| Countries Bordering India | 0 | - | 4.98 | 163,583 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,452 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,680 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 70,578 |
| Countries Bordering Iran | 0 | - | 4.83 | 95,694 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 279,949 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,642 |
| Countries that Border China | 0 | - | 4.96 | 263,607 |
| Countries that Border Iraq | 0 | - | 4.97 | 108,759 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,976 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,912 |
| Countries Bordering Saudi Arabia | 0 | - | 4.96 | 132,707 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,687 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,824 |
| Countries Bordering Turkey | 0 | - | 4.98 | 117,550 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,039 |
| Countries that Border Poland | 0 | - | 4.99 | 172,648 |
| Merged Countries #2 | 0 | - | 4.96 | 99,281 |
| Merged Countries #6 | 0 | - | 4.90 | 73,500 |
| Merged Countries #7 | 0 | - | 4.93 | 82,841 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,725 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,062 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,466 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 124,480 |
| World Capitals Quiz | 0 | - | 5.00 | 5,085,782 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,729 |
| Himalayan Countries | 0 | - | 4.95 | 138,924 |
| Andean Countries | 0 | - | 4.93 | 84,738 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,941 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,006 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,552 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,889 |
| Danube Countries | 0 | - | 4.97 | 72,074 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,093 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,476 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,404 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,888 |
| European Landlocked Countries | 0 | - | 4.99 | 147,197 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,730 |
| Countries with the Most Species | 0 | - | 4.99 | 103,280 |
| Countries 197 to 205 | 0 | - | 4.90 | 70,847 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,620 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,741 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,578 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,272 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,713 |
| Countries in the Alps | 0 | - | 4.87 | 118,279 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,387 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,121 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,695 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,639 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,565 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,985 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,723 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,547 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,204 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,898 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,681 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,553 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,262 |
| Countries Richer Than Their Neighbors | 0 | - | 4.46 | 72,771 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,519 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,574 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,005 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,350 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 64,284 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,148 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,152 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,251 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,269 |
| Largest Countries By Category | 0 | - | 4.97 | 158,292 |
| Countries by Countries | 0 | - | 4.96 | 63,289 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,749 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,304 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,577 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,714 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,781,826 |
| Countries of Africa by Borders in 30 Seconds | 0 | - | 4.43 | 356,164 |
| Asian Countries by Borders in 30 Seconds | 0 | - | 4.45 | 416,114 |
| Countries Bordering Brazil | 0 | - | 4.96 | 131,942 |
| Countries Bordering Ukraine, with an Empty Map | 0 | - | 4.86 | 96,556 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.91 | 116,004 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,746 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,868 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,543 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,510 |
| Rivers A-Z | 0 | - | 4.35 | 32,805 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 209,105 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,328 |
| Longest International Borders | 0 | - | 4.99 | 265,263 |
| Countries with Three Borders | 0 | - | 4.96 | 36,627 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,147 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,250 |
| Demonym of Every Country | 0 | - | 4.91 | 60,817 |
| Countries by Borders, Bordering Sea, Capital Proximity, Official Language or Currency in 30 Seconds | 0 | - | 4.95 | 240,841 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,914 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,591,589 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,629 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 407,604 |
| Island Countries | 0 | - | 4.99 | 711,189 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,384,725 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,050,392 |
| Northernmost Countries | 0 | - | 4.99 | 362,162 |
| Countries of South America | 0 | - | 5.00 | 927,964 |
| Countries of Oceania | 0 | - | 5.00 | 1,057,703 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,878,628 |
| "Land" Countries | 0 | - | 4.98 | 337,457 |
| Asian Countries with the Fewest Borders | 0 | - | 4.74 | 107,119 |
| Countries Bordering the EU | 0 | - | 4.78 | 73,341 |
| Europe Map Quiz | 0 | - | 5.00 | 4,772,580 |
| All Country Flags of the World | 0 | - | 5.00 | 3,682,734 |
| Top World Languages | 0 | - | 4.92 | 824,884 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,121 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,547 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 104,607 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,448,865 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,130 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,014 |
| Countries with Megacities | 0 | - | 4.99 | 264,850 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,848 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,532 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,106 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,611 |
| Biggest Cities in the World | 0 | - | 4.91 | 801,414 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 32,009 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,630 |
