| Seas of the World | 0 | - | 5.00 | 154,016 |
| Countries That Touch the Baltic Sea | 0 | - | 4.98 | 115,720 |
| North Sea Countries | 0 | - | 4.92 | 86,559 |
| Black Sea Countries | 0 | - | 4.87 | 60,298 |
| Countries That Touch the Red Sea | 0 | - | 4.90 | 64,979 |
| Caspian Sea Countries | 0 | - | 4.90 | 63,071 |
| World's Longest Rivers on a Map | 0 | - | 4.91 | 86,765 |
| Rivers of Europe Quiz | 0 | - | 4.89 | 55,539 |
| Tectonic Plates on a Map | 0 | - | 4.97 | 35,240 |
| Layers of the Earth and Atmosphere | 0 | - | 4.97 | 50,145 |
| Largest Lakes in the United States on a Map | 0 | - | 4.90 | 29,648 |
| World's Longest Rivers | 0 | - | 4.87 | 120,950 |
| Countries Bordering the Four Color Seas | 0 | - | 4.92 | 22,720 |
| Countries With No Rivers | 0 | - | 4.96 | 75,975 |
| Countries with the Shortest Coastlines | 0 | - | 4.89 | 66,925 |
| Name a Valid Country on Each River | 0 | - | 4.96 | 61,163 |
| Tectonic Plates Map Quiz | 0 | - | 4.99 | 80,332 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 114,618 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 74,172 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 91,829 |
| Natural Features of Countries #1 | 0 | - | 4.86 | 83,331 |
| Countries with Fjords | 0 | - | 4.93 | 100,140 |
| Gulfs and Bays on the World Map | 0 | - | 4.62 | 29,961 |
| Draw All Country Borders and Borderless Countries | 0 | - | 4.99 | 161,564 |
| Countries with the Longest Coastline Bordering Each Other | 0 | - | 4.89 | 28,104 |
| Countries with the Longest Coastlines | 0 | - | 4.80 | 410,993 |
| Biggest Lakes in the World | 0 | - | 4.62 | 88,941 |
| Great Lakes Quiz | 0 | - | 4.78 | 50,067 |
| Famous Rivers | 0 | - | 4.74 | 104,459 |
| City to River #1 | 0 | - | 4.59 | 35,739 |
| Most Populous River Basins | 0 | - | 4.61 | 39,526 |
| Rivers that Flow through the Most Countries | 0 | - | 4.53 | 40,084 |
| Trace the Coast of Europe with a Map | 0 | - | 4.93 | 77,858 |
| Biggest City by River | 0 | - | 4.41 | 52,681 |
| Cities on a Map of the Great Lakes | 0 | - | 4.41 | 44,289 |
| Landforms Fill in the Blank | 0 | - | 4.41 | 91,397 |
| Megadiverse Countries | 0 | - | 4.97 | 133,827 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,797,160 |
| Famous Lakes Quiz | 0 | - | 4.52 | 23,903 |
| City to River #2 - Difficult | 0 | - | 4.63 | 25,735 |
| Largest Rivers by Discharge | 0 | - | 4.53 | 15,913 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,583,228 |
| Natural Features of Countries #2 | 0 | - | 4.55 | 37,319 |
| Rivers and Lakes whose Names are Countries | 0 | - | 4.95 | 45,125 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,191 |
| World Capitals by Map | 0 | - | 5.00 | 282,781 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,595 |
| Countries of the World in 1900 | 0 | - | 4.89 | 83,291 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 192,855 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 148,554 |
| Countries by Coastline Per Capita | 0 | - | 4.59 | 22,975 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.90 | 114,627 |
| Geologic Time Scale | 0 | - | 4.46 | 9,904 |
| African East Coast | 0 | - | 4.96 | 94,904 |
| Seas that Touch the Most Countries | 0 | - | 4.63 | 95,877 |
| Megacities on a World Map | 0 | - | 4.98 | 250,132 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,734 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,452 |
| 500 Biggest Cities in the World on a Map | 0 | - | 4.96 | 119,963 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 34,040 |
| U.S. Cities with Landforms in The Name | 0 | - | 4.26 | 70,725 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,235 |
| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 64,633 |
| Pixelated World Map | 0 | - | 5.00 | 141,751 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 98,591 |
| Countries of the World in 1444 | 0 | - | 4.98 | 59,409 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.83 | 56,803 |
| Countries of Europe before World War II with a Map | 0 | - | 4.94 | 52,153 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 81,219 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,490 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,004 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 32,579 |
| Name a Valid First-Level Subdivision for Every Country | 0 | - | 4.97 | 49,557 |
| Atlantic Ocean General Knowledge | 0 | - | 4.74 | 21,140 |
| Indian Ocean General Knowledge | 0 | - | 4.52 | 22,135 |
| Bodies of Water by Cities | 0 | - | 4.77 | 28,438 |
| Rivers by City | 0 | - | 4.38 | 31,620 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.89 | 81,136 |
| Geography by Letter on the World Map - A | 0 | - | 4.81 | 106,770 |
| Top Asian Languages on a Map | 0 | - | 4.94 | 70,568 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,226 |
| Crayola Crayon Colors 64 Pack | 0 | - | 4.99 | 61,966 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,537 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,433 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 228,585 |
| Countries of the World with an Empty Map - Hard Version | 0 | - | 5.00 | 302,448 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,317 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,251 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,282 |
| Random Point on Land to Country | 0 | - | 4.99 | 231,491 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.99 | 68,128 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 62,778 |
| All Counties of the United States by Proximity | 0 | - | 4.98 | 304,122 |
| Landforms by Description Quiz | 0 | - | 4.33 | 25,976 |
| Rivers on Borders | 0 | - | 4.02 | 22,629 |
| Pixelated Africa Map | 0 | - | 4.98 | 98,937 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,273 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,626 |
| 20 Random Countries on an Empty World Map | 0 | - | 4.98 | 122,217 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 148,748 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,283 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 63,225 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 69,976 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 25,703 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 26,874 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,567 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 88,558 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 100,716 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 134,433 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 52,757 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 105,696 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,032 |
| Boundary Waters | 0 | - | 4.92 | 87,990 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,785 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,166 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 61,122 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,755 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 69,643 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,847,432 |
| Landlocked Countries | 0 | - | 4.99 | 412,837 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 550,511 |
| Countries of Europe in 1000 with a Map | 0 | - | 4.78 | 42,621 |
| Seas of Europe | 0 | - | 4.37 | 83,775 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 51,105 |
| Roman Provinces on a Map | 0 | - | 4.54 | 36,488 |
| Pixelated United States Map | 0 | - | 4.89 | 93,273 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,102 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 94,894 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,455 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 122,835 |
| Biggest Cities in the Blue Banana | 0 | - | 4.56 | 35,948 |
| European Cities by Map #2 | 0 | - | 4.48 | 47,175 |
| European Cities by Map #1 | 0 | - | 4.64 | 55,543 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,790 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,000 |
| Cities in Squares on a Map - Europe | 0 | - | 4.73 | 53,111 |
| World Capitals Quiz | 0 | - | 5.00 | 5,025,173 |
| World Capitals on an Empty Map | 0 | - | 4.69 | 53,380 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,217 |
| Himalayan Countries | 0 | - | 4.95 | 135,036 |
| Andean Countries | 0 | - | 4.94 | 82,653 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,076 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 122,974 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,748 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 64,454 |
| Danube Countries | 0 | - | 4.97 | 70,989 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,632 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,450 |
| Countries with the Worst Passports | 0 | - | 4.93 | 82,278 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,184 |
| European Landlocked Countries | 0 | - | 4.99 | 145,662 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,040 |
| Countries with the Most Species | 0 | - | 4.99 | 95,181 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,182 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,172 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,331 |
| Countries that Use the Peso | 0 | - | 4.87 | 58,906 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,504 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,862 |
| Countries in the Alps | 0 | - | 4.87 | 116,677 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,460 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,056 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 77,935 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,317 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,059 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 94,933 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,461 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,681 |
| Largest Country by Body of Water | 0 | - | 4.95 | 55,171 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 61,964 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,164 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 40,994 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,357 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,667 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,668 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 116,852 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,560 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,197 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,658 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 238,807 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,348 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,531 |
| Largest Countries By Category | 0 | - | 4.97 | 156,598 |
| Countries by Countries | 0 | - | 4.96 | 62,159 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,201 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,930 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,306 |
| Modern-Day Countries of the Khmer Empire on a Map | 0 | - | 4.74 | 45,086 |
| Modern-Day Countries of the Mayan Civilization | 0 | - | 4.77 | 32,889 |
| All Countries by Population With a Map | 0 | - | 4.98 | 106,368 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 97,993 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,648 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,709,333 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,623 |
| Western Europe Map Quiz | 0 | - | 4.87 | 93,454 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,475 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,211 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.97 | 34,399 |
| Rivers A-Z | 0 | - | 4.35 | 32,668 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 206,123 |
