| World's Longest Rivers | 0 | - | 4.88 | 121,131 |
| Countries Bordering the Four Color Seas | 0 | - | 4.92 | 22,775 |
| Tectonic Plates Map Quiz | 0 | - | 4.99 | 80,563 |
| Countries with the Longest Coastlines | 0 | - | 4.81 | 411,286 |
| Countries That Touch the Baltic Sea | 0 | - | 4.98 | 115,750 |
| North Sea Countries | 0 | - | 4.92 | 86,624 |
| Black Sea Countries | 0 | - | 4.87 | 60,349 |
| Countries That Touch the Red Sea | 0 | - | 4.90 | 65,032 |
| Caspian Sea Countries | 0 | - | 4.90 | 63,128 |
| Countries With No Rivers | 0 | - | 4.96 | 76,055 |
| Countries with the Shortest Coastlines | 0 | - | 4.89 | 66,965 |
| Name a Valid Country on Each River | 0 | - | 4.96 | 61,276 |
| World's Longest Rivers on a Map | 0 | - | 4.91 | 86,891 |
| Rivers of Europe Quiz | 0 | - | 4.89 | 55,639 |
| Seas on the World Map | 0 | - | 4.96 | 133,963 |
| Seas of the World | 0 | - | 5.00 | 154,481 |
| Countries with the Longest Coastline Bordering Each Other | 0 | - | 4.89 | 28,232 |
| Natural Features of Countries #1 | 0 | - | 4.86 | 83,390 |
| Countries with Fjords | 0 | - | 4.93 | 100,236 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 114,756 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 74,258 |
| Tectonic Plates on a Map | 0 | - | 4.97 | 35,295 |
| Layers of the Earth and Atmosphere | 0 | - | 4.97 | 50,197 |
| Largest Lakes in the United States on a Map | 0 | - | 4.90 | 29,695 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 91,953 |
| Draw All Country Borders and Borderless Countries | 0 | - | 4.99 | 161,926 |
| Biggest Lakes in the World | 0 | - | 4.62 | 89,022 |
| Great Lakes Quiz | 0 | - | 4.78 | 50,130 |
| Famous Rivers | 0 | - | 4.74 | 104,550 |
| City to River #1 | 0 | - | 4.59 | 35,748 |
| Most Populous River Basins | 0 | - | 4.61 | 39,554 |
| Rivers that Flow through the Most Countries | 0 | - | 4.53 | 40,127 |
| Landforms Fill in the Blank | 0 | - | 4.41 | 91,461 |
| Biggest City by River | 0 | - | 4.41 | 52,702 |
| Cities on a Map of the Great Lakes | 0 | - | 4.41 | 44,326 |
| Megadiverse Countries | 0 | - | 4.97 | 133,931 |
| Gulfs and Bays on the World Map | 0 | - | 4.62 | 30,016 |
| Famous Lakes Quiz | 0 | - | 4.52 | 23,916 |
| Rivers by City | 0 | - | 4.38 | 31,640 |
| City to River #2 - Difficult | 0 | - | 4.64 | 25,796 |
| Largest Rivers by Discharge | 0 | - | 4.53 | 15,925 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,424 |
| Natural Features of Countries #2 | 0 | - | 4.55 | 37,342 |
| Geologic Time Scale | 0 | - | 4.46 | 9,928 |
| Rivers on Borders | 0 | - | 4.02 | 22,638 |
| Countries with the Most Borders | 0 | - | 4.97 | 385,957 |
| Seas that Touch the Most Countries | 0 | - | 4.63 | 95,947 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,181 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,416 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,020 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,466 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,652 |
| U.S. Cities with Landforms in The Name | 0 | - | 4.26 | 70,737 |
| Countries with the Shortest Total Borders | 0 | - | 4.94 | 103,154 |
| Atlantic Ocean General Knowledge | 0 | - | 4.74 | 21,163 |
| Indian Ocean General Knowledge | 0 | - | 4.52 | 22,152 |
| Bodies of Water by Cities | 0 | - | 4.77 | 28,464 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 179,425 |
| Monarchies Bordering Monarchies | 0 | - | 4.85 | 59,979 |
| Landforms by Description Quiz | 0 | - | 4.33 | 25,980 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 22,969 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,310 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,344 |
| European Countries with One Border | 0 | - | 4.97 | 181,699 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,603 |
| Random Countries by Borders | 0 | - | 4.99 | 81,710 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,991 |
| Boundary Waters | 0 | - | 4.92 | 88,066 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,833 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,341 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 124,928 |
| Richest Countries Bordering Each Other | 0 | - | 4.99 | 153,316 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 88,537 |
| Rich Countries Bordering Poor Countries | 0 | - | 4.89 | 99,492 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 378,835 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 76,105 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,950,091 |
| Landlocked Countries | 0 | - | 4.99 | 413,938 |
| World Capitals Quiz | 0 | - | 5.00 | 5,033,990 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,719,944 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,732 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,826 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 69,947 |
| Countries of Africa by Borders in 30 Seconds | 0 | - | 4.43 | 354,723 |
| Asian Countries by Borders in 30 Seconds | 0 | - | 4.45 | 412,941 |
| Countries Bordering Iran | 0 | - | 4.83 | 94,819 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 277,474 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,231 |
| Countries that Border Iraq | 0 | - | 4.97 | 107,877 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,557 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,108 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,258 |
| Countries Bordering Serbia | 0 | - | 4.96 | 91,796 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,318 |
| Countries Bordering Turkey | 0 | - | 4.98 | 116,533 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,189 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,046 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,702 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,101 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 324,519 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,571,931 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,235 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 402,052 |
| Island Countries | 0 | - | 4.99 | 707,754 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,735 |
| Himalayan Countries | 0 | - | 4.95 | 135,482 |
| Andean Countries | 0 | - | 4.94 | 82,880 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,267 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,285 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,963 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,649 |
| Danube Countries | 0 | - | 4.97 | 71,109 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 115,807 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,571 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,558 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,465 |
| European Landlocked Countries | 0 | - | 4.99 | 145,793 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,257 |
| Countries with the Most Species | 0 | - | 4.99 | 95,259 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,399 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,209 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,381 |
| Countries that Use the Peso | 0 | - | 4.88 | 58,975 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,597 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,976 |
| Countries in the Alps | 0 | - | 4.86 | 116,883 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,603 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,323 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,037 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,453 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,217 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,038 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,615 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,783 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,424 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,099 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,205 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,059 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,476 |
| Countries Richer Than Their Neighbors | 0 | - | 4.46 | 72,233 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,786 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,778 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,146 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,683 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,276 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,822 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,494 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,796 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,622 |
| Largest Countries By Category | 0 | - | 4.97 | 156,822 |
| Countries by Countries | 0 | - | 4.96 | 62,294 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,453 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,976 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,343 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,801 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,039,967 |
| Northernmost Countries | 0 | - | 4.99 | 357,929 |
| Countries of South America | 0 | - | 5.00 | 915,415 |
| Countries of Oceania | 0 | - | 5.00 | 1,041,321 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,849,699 |
| "Land" Countries | 0 | - | 4.98 | 333,737 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.90 | 114,812 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,747 |
| Western Europe Map Quiz | 0 | - | 4.87 | 93,496 |
| Top World Languages | 0 | - | 4.92 | 813,604 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,581 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,247 |
| Rivers A-Z | 0 | - | 4.35 | 32,688 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 206,519 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,647 |
| Longest International Borders | 0 | - | 4.99 | 263,634 |
| Countries with Three Borders | 0 | - | 4.96 | 36,206 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,619 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,706 |
| Demonym of Every Country | 0 | - | 4.91 | 58,676 |
| Analogies of Countries #1 | 0 | - | 4.88 | 68,175 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 103,553 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,490 |
| Countries with Megacities | 0 | - | 4.99 | 247,328 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,325 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,117 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,746 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,040 |
| Global Cities on a World Map | 0 | - | 4.93 | 134,853 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,025 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,696 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,652 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 107,705 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,525 |
| Countries by Capital City | 0 | - | 5.00 | 66,746 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,382 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 113,947 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,444 |
| Moved Capital Cities | 0 | - | 4.96 | 73,623 |
| Countries by Official Language | 0 | - | 4.95 | 192,845 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,221 |
| Countries in their Native Language | 0 | - | 4.99 | 196,708 |
| Independence from Whom | 0 | - | 4.99 | 209,791 |
| Subdivisions by Country | 0 | - | 4.86 | 50,084 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,825 |
