| Countries With No Rivers | 0 | - | 4.96 | 77,032 |
| World's Longest Rivers on a Map | 0 | - | 4.90 | 88,125 |
| Rivers of Europe Quiz | 0 | - | 4.89 | 56,713 |
| World's Longest Rivers | 0 | - | 4.90 | 137,332 |
| Countries Bordering the Four Color Seas | 0 | - | 4.92 | 23,199 |
| Tectonic Plates Map Quiz | 0 | - | 4.99 | 81,906 |
| Countries with the Longest Coastline Bordering Each Other | 0 | - | 4.88 | 29,221 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 115,807 |
| 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 | 101,183 |
| 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 | 30,092 |
| Draw All Country Borders and Borderless Countries | 0 | - | 4.99 | 164,895 |
| 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 | 87,603 |
| Black Sea Countries | 0 | - | 4.87 | 60,699 |
| Countries That Touch the Red Sea | 0 | - | 4.90 | 65,510 |
| Caspian Sea Countries | 0 | - | 4.91 | 63,615 |
| Countries with the Shortest Coastlines | 0 | - | 4.89 | 67,331 |
| Countries with the Longest Coastlines | 0 | - | 4.80 | 413,758 |
| Famous Rivers | 0 | - | 4.75 | 105,160 |
| 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 | 135,757 |
| Seas of the World | 0 | - | 5.00 | 157,857 |
| Cities on a Map of the Great Lakes | 0 | - | 4.41 | 44,671 |
| Landforms Fill in the Blank | 0 | - | 4.41 | 91,843 |
| Megadiverse Countries | 0 | - | 4.96 | 135,154 |
| 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 | 89,826 |
| 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 | 57,797 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 227,270 |
| European Countries with One Border | 0 | - | 4.97 | 183,456 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,210 |
| Landforms by Description Quiz | 0 | - | 4.33 | 26,028 |
| Countries That Border Russia | 0 | - | 4.98 | 463,805 |
| Countries Bordering France | 0 | - | 4.83 | 404,263 |
| Countries Bordering Germany | 0 | - | 4.99 | 371,261 |
| 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 | 125,516 |
| 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 | 113,116 |
| Rich Countries Bordering Poor Countries | 0 | - | 4.89 | 100,425 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,444 |
| 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 | 96,479 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,731,369 |
| Landlocked Countries | 0 | - | 4.99 | 423,809 |
| 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 | 88,535 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,598 |
| Countries Bordering India | 0 | - | 4.98 | 163,700 |
| 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 | 95,900 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 280,403 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,742 |
| Countries that Border China | 0 | - | 4.96 | 263,911 |
| Countries that Border Iraq | 0 | - | 4.97 | 108,972 |
| Countries Bordering Kenya | 0 | - | 4.87 | 63,048 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 78,042 |
| Countries Bordering Saudi Arabia | 0 | - | 4.96 | 133,518 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,884 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,864 |
| Countries Bordering Turkey | 0 | - | 4.98 | 117,744 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,144 |
| Countries that Border Poland | 0 | - | 4.99 | 172,900 |
| Merged Countries #2 | 0 | - | 4.96 | 99,672 |
| Merged Countries #6 | 0 | - | 4.90 | 73,656 |
| Merged Countries #7 | 0 | - | 4.93 | 83,002 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,819 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,217 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,707 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 124,730 |
| World Capitals Quiz | 0 | - | 5.00 | 5,094,688 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,339 |
| Himalayan Countries | 0 | - | 4.94 | 139,518 |
| Andean Countries | 0 | - | 4.94 | 85,055 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,243 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,445 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,801 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,115 |
| Danube Countries | 0 | - | 4.97 | 72,209 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,302 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,623 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,706 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,212 |
| 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 | 59,693 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,438 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,850 |
| Countries in the Alps | 0 | - | 4.87 | 118,489 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,070 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,450 |
| 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 | 116,743 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,097 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,916 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,669 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,297 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,017 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,761 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,630 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,386 |
| 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 | 119,373 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,475 |
| Countries that Host the Most Refugees | 0 | - | 4.97 | 65,224 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,350 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,906 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,653 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,381 |
| Largest Countries By Category | 0 | - | 4.97 | 158,543 |
| Countries by Countries | 0 | - | 4.96 | 63,438 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,006 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,348 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,620 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,906 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,792,022 |
| Countries of Africa by Borders in 30 Seconds | 0 | - | 4.43 | 356,396 |
| Asian Countries by Borders in 30 Seconds | 0 | - | 4.45 | 416,803 |
| Countries Bordering Brazil | 0 | - | 4.96 | 132,105 |
| Countries Bordering Ukraine, with an Empty Map | 0 | - | 4.86 | 96,678 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.91 | 116,183 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,199 |
| Western Europe Map Quiz | 0 | - | 4.85 | 93,926 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,657 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,572 |
| Rivers A-Z | 0 | - | 4.35 | 32,834 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 209,553 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,441 |
| Longest International Borders | 0 | - | 4.99 | 265,527 |
| Countries with Three Borders | 0 | - | 4.96 | 36,689 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,241 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,365 |
| Demonym of Every Country | 0 | - | 4.90 | 61,145 |
| Countries by Borders, Bordering Sea, Capital Proximity, Official Language or Currency in 30 Seconds | 0 | - | 4.95 | 241,702 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 333,225 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,595,260 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,097 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 408,534 |
| Island Countries | 0 | - | 4.99 | 711,754 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,388,484 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,052,418 |
| Northernmost Countries | 0 | - | 4.99 | 363,066 |
| Countries of South America | 0 | - | 5.00 | 929,953 |
| Countries of Oceania | 0 | - | 5.00 | 1,060,226 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,883,316 |
| "Land" Countries | 0 | - | 4.98 | 337,880 |
| 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 | 4,779,431 |
| All Country Flags of the World | 0 | - | 5.00 | 3,696,842 |
| Top World Languages | 0 | - | 4.92 | 827,181 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,159 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,644 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 104,774 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,451,231 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,711 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,440 |
| Countries with Megacities | 0 | - | 4.99 | 265,863 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,234 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,752 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,495 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,845 |
| Biggest Cities in the World | 0 | - | 4.92 | 803,377 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 32,048 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,954 |
