| Countries With No Rivers | 0 | - | 4.96 | 77,032 |
| World's Longest Rivers on a Map | 0 | - | 4.90 | 88,126 |
| Rivers of Europe Quiz | 0 | - | 4.89 | 56,714 |
| World's Longest Rivers | 0 | - | 4.90 | 137,335 |
| Countries Bordering the Four Color Seas | 0 | - | 4.92 | 23,199 |
| Tectonic Plates Map Quiz | 0 | - | 4.99 | 81,907 |
| Countries with the Longest Coastline Bordering Each Other | 0 | - | 4.88 | 29,221 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 115,808 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 74,904 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,676 |
| Natural Features of Countries #1 | 0 | - | 4.87 | 83,976 |
| Countries with Fjords | 0 | - | 4.94 | 101,184 |
| Tectonic Plates on a Map | 0 | - | 4.97 | 35,824 |
| Layers of the Earth and Atmosphere | 0 | - | 4.96 | 50,627 |
| Largest Lakes in the United States on a Map | 0 | - | 4.90 | 30,093 |
| Draw All Country Borders and Borderless Countries | 0 | - | 4.99 | 164,898 |
| Biggest City by River | 0 | - | 4.38 | 52,925 |
| Countries That Touch the Baltic Sea | 0 | - | 4.98 | 116,121 |
| North Sea Countries | 0 | - | 4.92 | 87,605 |
| Black Sea Countries | 0 | - | 4.87 | 60,700 |
| Countries That Touch the Red Sea | 0 | - | 4.90 | 65,510 |
| Caspian Sea Countries | 0 | - | 4.91 | 63,616 |
| Countries with the Shortest Coastlines | 0 | - | 4.89 | 67,332 |
| Countries with the Longest Coastlines | 0 | - | 4.80 | 413,760 |
| Famous Rivers | 0 | - | 4.75 | 105,161 |
| City to River #1 | 0 | - | 4.59 | 35,884 |
| Most Populous River Basins | 0 | - | 4.55 | 39,778 |
| Rivers that Flow through the Most Countries | 0 | - | 4.53 | 40,426 |
| Seas on the World Map | 0 | - | 4.96 | 135,758 |
| Seas of the World | 0 | - | 5.00 | 157,860 |
| Cities on a Map of the Great Lakes | 0 | - | 4.41 | 44,671 |
| Landforms Fill in the Blank | 0 | - | 4.41 | 91,844 |
| Megadiverse Countries | 0 | - | 4.96 | 135,155 |
| Rivers by City | 0 | - | 4.38 | 31,759 |
| City to River #2 - Difficult | 0 | - | 4.64 | 26,168 |
| Largest Rivers by Discharge | 0 | - | 4.54 | 16,066 |
| Natural Features of Countries #2 | 0 | - | 4.55 | 37,584 |
| Geologic Time Scale | 0 | - | 4.41 | 10,053 |
| Seas that Touch the Most Countries | 0 | - | 4.63 | 97,017 |
| Biggest Lakes in the World | 0 | - | 4.63 | 89,827 |
| Great Lakes Quiz | 0 | - | 4.80 | 50,563 |
| U.S. Cities with Landforms in The Name | 0 | - | 4.27 | 70,839 |
| Atlantic Ocean General Knowledge | 0 | - | 4.74 | 21,286 |
| Indian Ocean General Knowledge | 0 | - | 4.52 | 22,274 |
| Bodies of Water by Cities | 0 | - | 4.77 | 28,693 |
| Monarchies Bordering Monarchies | 0 | - | 4.81 | 60,510 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,798 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 227,271 |
| European Countries with One Border | 0 | - | 4.97 | 183,457 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,211 |
| Landforms by Description Quiz | 0 | - | 4.33 | 26,028 |
| Countries That Border Russia | 0 | - | 4.98 | 463,809 |
| Countries Bordering France | 0 | - | 4.83 | 404,268 |
| Countries Bordering Germany | 0 | - | 4.99 | 371,262 |
| Gulfs and Bays on the World Map | 0 | - | 4.62 | 30,352 |
| Famous Lakes Quiz | 0 | - | 4.52 | 24,047 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 125,517 |
| Richest Countries Bordering Each Other | 0 | - | 4.99 | 154,662 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.87 | 89,323 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 113,117 |
| Rich Countries Bordering Poor Countries | 0 | - | 4.89 | 100,427 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,445 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 76,590 |
| Flags of the Mediterranean | 0 | - | 4.94 | 149,070 |
| African Great Lakes | 0 | - | 4.82 | 66,757 |
| Boundary Waters | 0 | - | 4.92 | 88,668 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,331 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,481 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,732,205 |
| Landlocked Countries | 0 | - | 4.99 | 423,817 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,279 |
| Top 10 European Countries by Coastline | 0 | - | 4.88 | 138,612 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,536 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,599 |
| Countries Bordering India | 0 | - | 4.98 | 163,701 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,871 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,815 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 70,643 |
| Countries Bordering Iran | 0 | - | 4.83 | 95,901 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 280,403 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,743 |
| Countries that Border China | 0 | - | 4.96 | 263,914 |
| Countries that Border Iraq | 0 | - | 4.97 | 108,973 |
| Countries Bordering Kenya | 0 | - | 4.87 | 63,048 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 78,044 |
| Countries Bordering Saudi Arabia | 0 | - | 4.96 | 133,519 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,884 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,864 |
| Countries Bordering Turkey | 0 | - | 4.98 | 117,746 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,146 |
| Countries that Border Poland | 0 | - | 4.99 | 172,903 |
| Merged Countries #2 | 0 | - | 4.96 | 99,681 |
| Merged Countries #6 | 0 | - | 4.90 | 73,659 |
| Merged Countries #7 | 0 | - | 4.93 | 83,008 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,820 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,217 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,709 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 124,730 |
| World Capitals Quiz | 0 | - | 5.00 | 5,094,777 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,347 |
| Himalayan Countries | 0 | - | 4.94 | 139,523 |
| Andean Countries | 0 | - | 4.94 | 85,062 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,244 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,449 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,806 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,116 |
| Danube Countries | 0 | - | 4.97 | 72,209 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,306 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,624 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,707 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,214 |
| European Landlocked Countries | 0 | - | 4.99 | 147,376 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,975 |
| Countries with the Most Species | 0 | - | 4.99 | 103,421 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,113 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,681 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,792 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,695 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,439 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,850 |
| Countries in the Alps | 0 | - | 4.87 | 118,491 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,073 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,452 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,811 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,812 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,747 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,098 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,919 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,672 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,298 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,018 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,762 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,630 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,387 |
| Countries Richer Than Their Neighbors | 0 | - | 4.47 | 72,866 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,639 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,721 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,376 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,475 |
| Countries that Host the Most Refugees | 0 | - | 4.97 | 65,230 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,352 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,915 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,654 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,381 |
| Largest Countries By Category | 0 | - | 4.97 | 158,546 |
| Countries by Countries | 0 | - | 4.96 | 63,439 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,008 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,348 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,622 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,906 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,792,093 |
| Countries of Africa by Borders in 30 Seconds | 0 | - | 4.43 | 356,396 |
| Asian Countries by Borders in 30 Seconds | 0 | - | 4.45 | 416,804 |
| Countries Bordering Brazil | 0 | - | 4.96 | 132,105 |
| Countries Bordering Ukraine, with an Empty Map | 0 | - | 4.86 | 96,679 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.91 | 116,184 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,215 |
| Western Europe Map Quiz | 0 | - | 4.85 | 93,926 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,659 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,573 |
| Rivers A-Z | 0 | - | 4.35 | 32,835 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 209,556 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,442 |
| Longest International Borders | 0 | - | 4.99 | 265,527 |
| Countries with Three Borders | 0 | - | 4.96 | 36,691 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,242 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,369 |
| Demonym of Every Country | 0 | - | 4.90 | 61,149 |
| Countries by Borders, Bordering Sea, Capital Proximity, Official Language or Currency in 30 Seconds | 0 | - | 4.95 | 241,703 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 333,241 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,595,282 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,098 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 408,554 |
| Island Countries | 0 | - | 4.99 | 711,757 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,388,506 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,052,437 |
| Northernmost Countries | 0 | - | 4.99 | 363,074 |
| Countries of South America | 0 | - | 5.00 | 929,965 |
| Countries of Oceania | 0 | - | 5.00 | 1,060,244 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,883,352 |
| "Land" Countries | 0 | - | 4.98 | 337,882 |
| Asian Countries with the Fewest Borders | 0 | - | 4.74 | 107,224 |
| Countries Bordering the EU | 0 | - | 4.78 | 73,426 |
| Europe Map Quiz | 0 | - | 5.00 | 4,779,499 |
| All Country Flags of the World | 0 | - | 5.00 | 3,696,998 |
| Top World Languages | 0 | - | 4.92 | 827,198 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,159 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,645 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 104,776 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,451,251 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,713 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,445 |
| Countries with Megacities | 0 | - | 4.99 | 265,868 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,236 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,752 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,497 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,849 |
| Biggest Cities in the World | 0 | - | 4.92 | 803,395 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 32,048 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,956 |
