| Countries That Touch the Baltic Sea | 0 | - | 4.98 | 115,978 |
| North Sea Countries | 0 | - | 4.92 | 87,305 |
| Black Sea Countries | 0 | - | 4.87 | 60,573 |
| Countries That Touch the Red Sea | 0 | - | 4.90 | 65,313 |
| Caspian Sea Countries | 0 | - | 4.90 | 63,411 |
| Seas on the World Map | 0 | - | 4.96 | 135,129 |
| Seas of the World | 0 | - | 5.00 | 156,358 |
| World's Longest Rivers | 0 | - | 4.89 | 136,045 |
| Countries Bordering the Four Color Seas | 0 | - | 4.92 | 23,035 |
| Countries With No Rivers | 0 | - | 4.96 | 76,698 |
| Countries with the Shortest Coastlines | 0 | - | 4.89 | 67,177 |
| Tectonic Plates Map Quiz | 0 | - | 4.99 | 81,259 |
| World's Longest Rivers on a Map | 0 | - | 4.91 | 87,627 |
| Rivers of Europe Quiz | 0 | - | 4.89 | 56,253 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 115,351 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 74,621 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,341 |
| Natural Features of Countries #1 | 0 | - | 4.87 | 83,756 |
| Countries with Fjords | 0 | - | 4.94 | 100,773 |
| Tectonic Plates on a Map | 0 | - | 4.97 | 35,604 |
| Layers of the Earth and Atmosphere | 0 | - | 4.96 | 50,414 |
| Largest Lakes in the United States on a Map | 0 | - | 4.90 | 29,896 |
| Draw All Country Borders and Borderless Countries | 0 | - | 4.99 | 163,361 |
| Countries with the Longest Coastline Bordering Each Other | 0 | - | 4.89 | 28,734 |
| Countries with the Longest Coastlines | 0 | - | 4.80 | 412,387 |
| Biggest Lakes in the World | 0 | - | 4.63 | 89,319 |
| Great Lakes Quiz | 0 | - | 4.78 | 50,334 |
| Famous Rivers | 0 | - | 4.75 | 104,875 |
| City to River #1 | 0 | - | 4.59 | 35,830 |
| Most Populous River Basins | 0 | - | 4.55 | 39,677 |
| Rivers that Flow through the Most Countries | 0 | - | 4.53 | 40,310 |
| Biggest City by River | 0 | - | 4.41 | 52,824 |
| Cities on a Map of the Great Lakes | 0 | - | 4.41 | 44,491 |
| Landforms Fill in the Blank | 0 | - | 4.41 | 91,664 |
| Megadiverse Countries | 0 | - | 4.96 | 134,756 |
| Gulfs and Bays on the World Map | 0 | - | 4.61 | 30,199 |
| Famous Lakes Quiz | 0 | - | 4.52 | 23,989 |
| Rivers by City | 0 | - | 4.38 | 31,701 |
| City to River #2 - Difficult | 0 | - | 4.64 | 25,996 |
| Largest Rivers by Discharge | 0 | - | 4.54 | 16,007 |
| Natural Features of Countries #2 | 0 | - | 4.55 | 37,486 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.90 | 115,495 |
| Geologic Time Scale | 0 | - | 4.46 | 10,002 |
| Seas that Touch the Most Countries | 0 | - | 4.63 | 96,696 |
| U.S. Cities with Landforms in The Name | 0 | - | 4.26 | 70,789 |
| Atlantic Ocean General Knowledge | 0 | - | 4.74 | 21,210 |
| Indian Ocean General Knowledge | 0 | - | 4.52 | 22,206 |
| Bodies of Water by Cities | 0 | - | 4.77 | 28,584 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,603 |
| The Only African Country ... | 0 | - | 4.98 | 128,937 |
| The Only American Country ... | 0 | - | 4.92 | 121,405 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,061 |
| Five Countries by a Single Word by Continent | 0 | - | 4.91 | 77,933 |
| Bordering Countries by Clue #1 | 0 | - | 4.97 | 82,981 |
| Bordering Countries by Clue #2 | 0 | - | 4.95 | 87,254 |
| Walking Across Borders with Hints #1 | 0 | - | 4.95 | 108,805 |
| Walking Across Borders with Hints #2 | 0 | - | 4.97 | 87,435 |
| Landforms by Description Quiz | 0 | - | 4.33 | 26,006 |
| Rivers on Borders | 0 | - | 4.02 | 22,685 |
| Large Countries with Small Economies | 0 | - | 4.95 | 80,767 |
| Countries by Wikipedia Descriptions #1 | 0 | - | 4.93 | 65,274 |
| Countries by Wikipedia Descriptions #4 | 0 | - | 4.87 | 56,884 |
| Boundary Waters | 0 | - | 4.92 | 88,372 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,079 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,901 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,327,070 |
| Landlocked Countries | 0 | - | 4.99 | 418,829 |
| Seas of Europe | 0 | - | 4.37 | 84,580 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,493 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,610 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,657 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,884 |
| World Capitals Quiz | 0 | - | 5.00 | 5,063,159 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,957 |
| Himalayan Countries | 0 | - | 4.94 | 137,383 |
| Andean Countries | 0 | - | 4.95 | 83,912 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,210 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,623 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,820 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,340 |
| Danube Countries | 0 | - | 4.97 | 71,645 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,531 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,044 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,620 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,707 |
| European Landlocked Countries | 0 | - | 4.99 | 146,763 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,116 |
| Countries with the Most Species | 0 | - | 4.99 | 102,898 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,249 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,429 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,584 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,293 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,977 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,354 |
| Countries in the Alps | 0 | - | 4.87 | 117,675 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,119 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,347 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,404 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,970 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,080 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,468 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,270 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,175 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,961 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,546 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,471 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,334 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,912 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,179 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,201 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,153 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,055 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,562 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,506 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,311 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,198 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,990 |
| Largest Countries By Category | 0 | - | 4.97 | 157,618 |
| Countries by Countries | 0 | - | 4.96 | 62,827 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,193 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,156 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,466 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,314 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,756,179 |
| Countries Ending in "IA" by Clue #1 | 0 | - | 4.74 | 70,413 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,364 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,729 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 82,214 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,387 |
| Rivers A-Z | 0 | - | 4.35 | 32,764 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 208,045 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,067 |
| Longest International Borders | 0 | - | 4.99 | 264,644 |
| Countries with Three Borders | 0 | - | 4.96 | 36,449 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,905 |
| Largest Cities for each Latitude Degree | 0 | - | 5.00 | 48,001 |
| Demonym of Every Country | 0 | - | 4.91 | 59,142 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,874 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,582,714 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,568 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 405,043 |
| Island Countries | 0 | - | 4.99 | 709,698 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,375,487 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,045,938 |
| Northernmost Countries | 0 | - | 4.99 | 360,412 |
| Countries of South America | 0 | - | 5.00 | 922,765 |
| Countries of Oceania | 0 | - | 5.00 | 1,050,837 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,866,025 |
| "Land" Countries | 0 | - | 4.98 | 335,773 |
| The Only Asian Country ... | 0 | - | 4.69 | 122,288 |
| Europe Map Quiz | 0 | - | 5.00 | 4,755,659 |
| All Country Flags of the World | 0 | - | 5.00 | 3,648,749 |
| Top World Languages | 0 | - | 4.92 | 820,103 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,031 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,342 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 104,151 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,443,125 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,690 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,991 |
| Countries with Megacities | 0 | - | 4.99 | 259,154 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,860 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,974 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,145 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,976 |
| Biggest Cities in the World | 0 | - | 4.91 | 796,616 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,843 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,958 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,239 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,266 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,964 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,621 |
| Countries by Capital City | 0 | - | 5.00 | 67,914 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,970 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,459 |
| World Capitals by Proximity | 0 | - | 4.91 | 330,627 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,963 |
| Moved Capital Cities | 0 | - | 4.96 | 74,056 |
| Countries by Official Language | 0 | - | 4.95 | 194,622 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,503 |
| Countries in their Native Language | 0 | - | 4.99 | 198,165 |
| Independence from Whom | 0 | - | 4.99 | 211,279 |
| Subdivisions by Country | 0 | - | 4.86 | 50,282 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,682 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,532 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,180 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,746 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,013 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,697 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,375 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,963 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,837 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,476 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,986 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,929 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,707 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,988 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,768 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,144 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,319 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,161 |
