| Megadiverse Countries | 0 | - | 4.97 | 133,837 |
| Tectonic Plates Map Quiz | 0 | - | 4.99 | 80,363 |
| Natural Features of Countries #1 | 0 | - | 4.86 | 83,338 |
| Countries with Fjords | 0 | - | 4.93 | 100,157 |
| Countries by Three Words #2 | 0 | - | 4.97 | 198,184 |
| Countries by Three Words #1 | 0 | - | 4.95 | 262,044 |
| European Countries by Clue | 0 | - | 4.92 | 182,304 |
| Countries by a Single Clue #5 | 0 | - | 4.91 | 100,116 |
| Tectonic Plates on a Map | 0 | - | 4.97 | 35,248 |
| Layers of the Earth and Atmosphere | 0 | - | 4.97 | 50,152 |
| Boundary Waters | 0 | - | 4.92 | 87,996 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,787 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,190 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 61,149 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,773 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,232 |
| World's Longest Rivers | 0 | - | 4.87 | 120,974 |
| Draw All Country Borders and Borderless Countries | 0 | - | 4.99 | 161,604 |
| Landforms Fill in the Blank | 0 | - | 4.41 | 91,404 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,860,799 |
| Landlocked Countries | 0 | - | 4.99 | 412,967 |
| Countries That Touch the Baltic Sea | 0 | - | 4.98 | 115,726 |
| North Sea Countries | 0 | - | 4.92 | 86,570 |
| Black Sea Countries | 0 | - | 4.87 | 60,306 |
| Countries That Touch the Red Sea | 0 | - | 4.90 | 64,984 |
| Caspian Sea Countries | 0 | - | 4.90 | 63,079 |
| Countries With No Rivers | 0 | - | 4.96 | 75,989 |
| Countries with the Shortest Coastlines | 0 | - | 4.89 | 66,928 |
| Name a Valid Country on Each River | 0 | - | 4.96 | 61,175 |
| The Only American Country ... | 0 | - | 4.92 | 120,669 |
| Five Countries by a Single Word by Continent | 0 | - | 4.91 | 77,093 |
| Bordering Countries by Clue #1 | 0 | - | 4.97 | 82,602 |
| Bordering Countries by Clue #2 | 0 | - | 4.95 | 86,224 |
| Walking Across Borders with Hints #1 | 0 | - | 4.95 | 107,140 |
| Walking Across Borders with Hints #2 | 0 | - | 4.97 | 86,119 |
| World's Longest Rivers on a Map | 0 | - | 4.91 | 86,778 |
| Rivers of Europe Quiz | 0 | - | 4.89 | 55,554 |
| Seas on the World Map | 0 | - | 4.96 | 133,717 |
| Seas of the World | 0 | - | 5.00 | 154,087 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,114 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 94,915 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,488 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 122,849 |
| World Capitals Quiz | 0 | - | 5.00 | 5,026,331 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,297 |
| Himalayan Countries | 0 | - | 4.95 | 135,092 |
| Andean Countries | 0 | - | 4.94 | 82,688 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,098 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,021 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,788 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 64,491 |
| Danube Countries | 0 | - | 4.97 | 71,012 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,657 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,468 |
| Natural Features of Countries #2 | 0 | - | 4.55 | 37,323 |
| Countries with the Worst Passports | 0 | - | 4.93 | 82,311 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,228 |
| European Landlocked Countries | 0 | - | 4.99 | 145,680 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,069 |
| Countries with the Most Species | 0 | - | 4.99 | 95,197 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,224 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,178 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,335 |
| Countries that Use the Peso | 0 | - | 4.87 | 58,913 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,524 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,881 |
| Countries in the Alps | 0 | - | 4.87 | 116,705 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,489 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,108 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 77,949 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,335 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,075 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 94,942 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,482 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,695 |
| Largest Country by Body of Water | 0 | - | 4.95 | 56,279 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 61,982 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,168 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,002 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,378 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,686 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,685 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 116,901 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,579 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,208 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,688 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 238,894 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,405 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,548 |
| Largest Countries By Category | 0 | - | 4.97 | 156,641 |
| Countries by Countries | 0 | - | 4.96 | 62,183 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,245 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,936 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,307 |
| All Countries by Population With a Map | 0 | - | 4.98 | 106,429 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,022 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,670 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,710,663 |
| Countries by Three Words #3 | 0 | - | 4.79 | 126,459 |
| Countries by Three Words #4 | 0 | - | 4.43 | 84,983 |
| Countries by a Single Clue #1 | 0 | - | 4.77 | 100,181 |
| Countries by a Single Clue #2 | 0 | - | 4.48 | 94,490 |
| Countries by a Single Clue #3 | 0 | - | 4.63 | 86,366 |
| Countries by a Single Clue #4 | 0 | - | 4.49 | 76,594 |
| Countries by a Single Clue #6 | 0 | - | 4.49 | 86,529 |
| Countries by a Single Clue #8 | 0 | - | 4.44 | 94,492 |
| Countries by a Single Clue #10 | 0 | - | 4.55 | 67,560 |
| Countries by a Single Clue #11 | 0 | - | 4.61 | 76,169 |
| Countries by a Single Clue #12 | 0 | - | 4.48 | 78,613 |
| Countries by Wikipedia Descriptions #1 | 0 | - | 4.93 | 64,984 |
| Countries by Wikipedia Descriptions #4 | 0 | - | 4.87 | 56,660 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 114,632 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 74,190 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,645 |
| Western Europe Map Quiz | 0 | - | 4.87 | 93,461 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,489 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,215 |
| Geologic Time Scale | 0 | - | 4.46 | 9,906 |
| Largest Lakes in the United States on a Map | 0 | - | 4.90 | 29,656 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 91,841 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 206,184 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,558 |
| Longest International Borders | 0 | - | 4.99 | 263,392 |
| Countries with Three Borders | 0 | - | 4.96 | 36,138 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,566 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,614 |
| Demonym of Every Country | 0 | - | 4.91 | 58,573 |
| Pacific Ocean General Knowledge | 0 | - | 4.69 | 36,201 |
| Seas that Touch the Most Countries | 0 | - | 4.63 | 95,896 |
| The Same Prefixes - Geography | 0 | - | 4.49 | 47,353 |
| "Second Best" Geography Edition #1 | 0 | - | 4.64 | 62,986 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,141 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,569,261 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 371,869 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 401,051 |
| Island Countries | 0 | - | 4.99 | 707,283 |
| Countries Bordering the Four Color Seas | 0 | - | 4.92 | 22,726 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,038,507 |
| Northernmost Countries | 0 | - | 4.99 | 357,321 |
| Countries of South America | 0 | - | 5.00 | 913,579 |
| Countries of Oceania | 0 | - | 5.00 | 1,038,859 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,845,554 |
| Countries Ending in "IA" by Clue #1 | 0 | - | 4.74 | 70,113 |
| "Land" Countries | 0 | - | 4.98 | 333,449 |
| Top World Languages | 0 | - | 4.92 | 812,111 |
| Biggest Lakes in the World | 0 | - | 4.62 | 88,955 |
| Great Lakes Quiz | 0 | - | 4.78 | 50,076 |
| Famous Rivers | 0 | - | 4.74 | 104,471 |
| City to River #1 | 0 | - | 4.59 | 35,739 |
| Most Populous River Basins | 0 | - | 4.61 | 39,529 |
| Rivers that Flow through the Most Countries | 0 | - | 4.53 | 40,091 |
| Analogies of Countries #1 | 0 | - | 4.88 | 68,129 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 103,391 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,893 |
| Countries with Megacities | 0 | - | 4.99 | 246,263 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,812 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,748 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,270 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,686 |
| U.S. Cities with Landforms in The Name | 0 | - | 4.26 | 70,725 |
| Global Cities on a World Map | 0 | - | 4.93 | 134,603 |
| Northernmost Capital Cities | 0 | - | 4.98 | 108,828 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,576 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,528 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 107,490 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,250 |
| Countries by Capital City | 0 | - | 5.00 | 66,478 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,235 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 113,818 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,351 |
| Moved Capital Cities | 0 | - | 4.96 | 73,519 |
| Countries by Official Language | 0 | - | 4.95 | 192,609 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 292,914 |
| Countries in their Native Language | 0 | - | 4.99 | 196,496 |
| Independence from Whom | 0 | - | 4.99 | 209,505 |
| Subdivisions by Country | 0 | - | 4.86 | 50,035 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,599 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,663 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,881 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,379 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,839 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,560 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 61,942 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 92,604 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,068 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,185 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,718 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,414 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,372 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,441 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,456 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,611 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 70,985 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,360,352 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 108,378 |
| World Map Quiz | 0 | - | 4.81 | 63,383 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 152,278 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,231 |
| Countries within the Arctic Circle - Map Quiz | 0 | - | 4.84 | 63,022 |
| Countries by Founding Story | 0 | - | 4.95 | 76,456 |