| World's Longest Rivers | 0 | - | 4.88 | 121,380 |
| Countries Bordering the Four Color Seas | 0 | - | 4.92 | 22,846 |
| Tectonic Plates Map Quiz | 0 | - | 4.99 | 80,734 |
| Countries That Touch the Baltic Sea | 0 | - | 4.98 | 115,796 |
| North Sea Countries | 0 | - | 4.92 | 86,713 |
| Black Sea Countries | 0 | - | 4.87 | 60,389 |
| Countries That Touch the Red Sea | 0 | - | 4.90 | 65,103 |
| Caspian Sea Countries | 0 | - | 4.90 | 63,179 |
| Countries With No Rivers | 0 | - | 4.96 | 76,144 |
| Countries with the Shortest Coastlines | 0 | - | 4.89 | 67,005 |
| Name a Valid Country on Each River | 0 | - | 4.96 | 61,406 |
| World's Longest Rivers on a Map | 0 | - | 4.91 | 87,059 |
| Rivers of Europe Quiz | 0 | - | 4.89 | 55,785 |
| Seas on the World Map | 0 | - | 4.96 | 134,598 |
| Seas of the World | 0 | - | 5.00 | 155,082 |
| Countries with the Longest Coastline Bordering Each Other | 0 | - | 4.89 | 28,397 |
| Natural Features of Countries #1 | 0 | - | 4.86 | 83,460 |
| Countries with Fjords | 0 | - | 4.93 | 100,373 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 114,932 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 74,362 |
| Tectonic Plates on a Map | 0 | - | 4.97 | 35,391 |
| Layers of the Earth and Atmosphere | 0 | - | 4.96 | 50,276 |
| Largest Lakes in the United States on a Map | 0 | - | 4.90 | 29,745 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,068 |
| Draw All Country Borders and Borderless Countries | 0 | - | 4.99 | 162,459 |
| Biggest Lakes in the World | 0 | - | 4.63 | 89,120 |
| Great Lakes Quiz | 0 | - | 4.78 | 50,184 |
| Famous Rivers | 0 | - | 4.74 | 104,649 |
| City to River #1 | 0 | - | 4.59 | 35,766 |
| Most Populous River Basins | 0 | - | 4.61 | 39,588 |
| Rivers that Flow through the Most Countries | 0 | - | 4.53 | 40,175 |
| Countries with the Longest Coastlines | 0 | - | 4.80 | 411,694 |
| Landforms Fill in the Blank | 0 | - | 4.41 | 91,538 |
| Biggest City by River | 0 | - | 4.41 | 52,732 |
| Cities on a Map of the Great Lakes | 0 | - | 4.41 | 44,378 |
| Megadiverse Countries | 0 | - | 4.96 | 134,478 |
| Gulfs and Bays on the World Map | 0 | - | 4.62 | 30,089 |
| Famous Lakes Quiz | 0 | - | 4.52 | 23,939 |
| Rivers by City | 0 | - | 4.38 | 31,661 |
| City to River #2 - Difficult | 0 | - | 4.64 | 25,854 |
| Largest Rivers by Discharge | 0 | - | 4.53 | 15,952 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 426,085 |
| Natural Features of Countries #2 | 0 | - | 4.55 | 37,372 |
| Geologic Time Scale | 0 | - | 4.46 | 9,960 |
| Rivers on Borders | 0 | - | 4.02 | 22,654 |
| Countries with the Most Borders | 0 | - | 4.97 | 386,724 |
| Seas that Touch the Most Countries | 0 | - | 4.63 | 96,047 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,277 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,706 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,237 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,647 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,815 |
| U.S. Cities with Landforms in The Name | 0 | - | 4.26 | 70,751 |
| Countries with the Shortest Total Borders | 0 | - | 4.94 | 103,346 |
| Atlantic Ocean General Knowledge | 0 | - | 4.74 | 21,189 |
| Indian Ocean General Knowledge | 0 | - | 4.52 | 22,170 |
| Bodies of Water by Cities | 0 | - | 4.77 | 28,504 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 179,610 |
| Monarchies Bordering Monarchies | 0 | - | 4.81 | 60,041 |
| Landforms by Description Quiz | 0 | - | 4.33 | 25,990 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.84 | 23,088 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,387 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,641 |
| European Countries with One Border | 0 | - | 4.97 | 181,963 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,849 |
| Random Countries by Borders | 0 | - | 4.99 | 81,853 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,118 |
| Boundary Waters | 0 | - | 4.92 | 88,152 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,909 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,536 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 60,028 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 125,005 |
| Richest Countries Bordering Each Other | 0 | - | 4.99 | 153,545 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 88,649 |
| Rich Countries Bordering Poor Countries | 0 | - | 4.89 | 99,641 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 379,982 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 76,191 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,081,195 |
| Landlocked Countries | 0 | - | 4.99 | 415,632 |
| World Capitals Quiz | 0 | - | 5.00 | 5,044,458 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,733,018 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,865 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,955 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 69,989 |
| Countries of Africa by Borders in 30 Seconds | 0 | - | 4.43 | 355,052 |
| Asian Countries by Borders in 30 Seconds | 0 | - | 4.45 | 413,575 |
| Countries Bordering Iran | 0 | - | 4.83 | 94,944 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 277,987 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,300 |
| Countries that Border Iraq | 0 | - | 4.97 | 108,000 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,626 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,220 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,345 |
| Countries Bordering Serbia | 0 | - | 4.96 | 91,970 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,352 |
| Countries Bordering Turkey | 0 | - | 4.98 | 116,706 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,306 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,229 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,137 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,398 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,063 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,575,448 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,934 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 402,937 |
| Island Countries | 0 | - | 4.99 | 708,440 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,417 |
| Himalayan Countries | 0 | - | 4.95 | 136,070 |
| Andean Countries | 0 | - | 4.95 | 83,222 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,538 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,703 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,228 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,870 |
| Danube Countries | 0 | - | 4.97 | 71,286 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,041 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,740 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,923 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,867 |
| European Landlocked Countries | 0 | - | 4.99 | 145,997 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,577 |
| Countries with the Most Species | 0 | - | 4.99 | 95,360 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,704 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,278 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,448 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,083 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,735 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,103 |
| Countries in the Alps | 0 | - | 4.86 | 117,164 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,789 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,650 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,175 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,611 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,415 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,165 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,834 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,913 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,714 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,229 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,284 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,155 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,641 |
| Countries Richer Than Their Neighbors | 0 | - | 4.46 | 72,332 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,903 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,915 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,522 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,816 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,361 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,075 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 240,427 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,283 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,747 |
| Largest Countries By Category | 0 | - | 4.97 | 157,080 |
| Countries by Countries | 0 | - | 4.96 | 62,467 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,720 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,040 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,387 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,988 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,042,097 |
| Northernmost Countries | 0 | - | 4.99 | 358,851 |
| Countries of South America | 0 | - | 5.00 | 918,256 |
| Countries of Oceania | 0 | - | 5.00 | 1,044,818 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,855,286 |
| "Land" Countries | 0 | - | 4.98 | 334,166 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.90 | 115,019 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,918 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,560 |
| Top World Languages | 0 | - | 4.92 | 815,850 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,742 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,298 |
| Rivers A-Z | 0 | - | 4.35 | 32,725 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 206,978 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,780 |
| Longest International Borders | 0 | - | 4.99 | 264,159 |
| Countries with Three Borders | 0 | - | 4.96 | 36,300 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,719 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,810 |
| Demonym of Every Country | 0 | - | 4.91 | 58,824 |
| Analogies of Countries #1 | 0 | - | 4.88 | 68,235 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 103,759 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,989 |
| Countries with Megacities | 0 | - | 4.99 | 248,377 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,880 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,398 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,271 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,334 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,263 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,401 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,955 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,919 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,113 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,972 |
| Countries by Capital City | 0 | - | 5.00 | 67,222 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,601 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,133 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,591 |
| Moved Capital Cities | 0 | - | 4.96 | 73,795 |
| Countries by Official Language | 0 | - | 4.95 | 193,285 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,843 |
| Countries in their Native Language | 0 | - | 4.99 | 197,102 |
| Independence from Whom | 0 | - | 4.99 | 210,231 |
| Subdivisions by Country | 0 | - | 4.86 | 50,155 |
