| Name a Valid European Capital | 0 | - | 4.95 | 154,136 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 265,748 |
| Name a Valid Asian Country | 0 | - | 4.98 | 122,039 |
| Name a Valid African Country | 0 | - | 4.98 | 155,401 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 116,231 |
| Metals of Antiquity | 0 | - | 4.95 | 94,076 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 91,363 |
| Countries with the Highest Carbon Dioxide Emissions | 0 | - | 4.97 | 110,064 |
| United States Map Quiz | 0 | - | 4.98 | 4,174,697 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,337,918 |
| Countries with Glaciers | 0 | - | 4.97 | 105,938 |
| Countries with the Most Forest | 0 | - | 4.88 | 148,354 |
| Countries Reducing Carbon Dioxide Emissions the Most | 0 | - | 4.89 | 65,084 |
| Elements Named for Countries | 0 | - | 4.52 | 25,069 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,788 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,420 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,428 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 62,126 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 136,385 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 138,001 |
| Counties of England Map Quiz | 0 | - | 4.97 | 309,402 |
| UK Cities Map Quiz | 0 | - | 4.96 | 467,017 |
| Name the Constellations - With a Map | 0 | - | 4.91 | 36,285 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 62,161 |
| 20 Random Country Flags | 0 | - | 4.99 | 621,282 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 236,585 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 169,449 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 111,672 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 93,689 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 98,031 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,401 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 74,064 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 134,647 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 81,650 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 90,075 |
| Countries that Produce the Most Beer | 0 | - | 4.85 | 131,978 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 89,579 |
| Name a Valid Country Flag | 0 | - | 4.70 | 77,255 |
| Boundary Waters | 0 | - | 4.92 | 88,878 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,494 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,925 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,664 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 61,124 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,850 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 76,229 |
| Countries of the World Quiz | 0 | - | 5.00 | 48,023,790 |
| Landlocked Countries | 0 | - | 4.99 | 427,930 |
| Countries with the Most HIV | 0 | - | 4.46 | 44,564 |
| Countries with the Most Malaria Deaths | 0 | - | 4.45 | 45,667 |
| Countries that Desalinate the Most Water | 0 | - | 4.77 | 41,982 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 593,807 |
| Countries that Beat Australia | 0 | - | 4.92 | 93,619 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 123,395 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,721 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,333 |
| World Geography on a Map #1 | 0 | - | 4.94 | 74,030 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,595 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,262 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,294 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 42,512 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 124,912 |
| Name a City - Asian Countries | 0 | - | 4.36 | 19,723 |
| World Capitals Quiz | 0 | - | 5.00 | 5,118,572 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,396 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,482 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,635 |
| Which City in Europe? | 0 | - | 4.83 | 108,057 |
| Sahara Desert Countries | 0 | - | 4.98 | 167,217 |
| Himalayan Countries | 0 | - | 4.93 | 141,098 |
| Andean Countries | 0 | - | 4.94 | 85,951 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 65,049 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,693 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,602 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,792 |
| Danube Countries | 0 | - | 4.97 | 72,630 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,900 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 87,041 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,592 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 151,065 |
| European Landlocked Countries | 0 | - | 4.99 | 147,846 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,644 |
| Countries with the Most Species | 0 | - | 4.99 | 103,688 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,748 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,840 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,985 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,972 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,725 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,206 |
| Countries in the Alps | 0 | - | 4.87 | 119,081 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 103,179 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 108,292 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 79,105 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,236 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,217 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,437 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,662 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 54,052 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,553 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,366 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,988 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,861 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,724 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,983 |
| Countries with the Most Grassland | 0 | - | 4.94 | 78,085 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 120,317 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,776 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 76,908 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,939 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 246,671 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,752 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,657 |
| Largest Countries By Category | 0 | - | 4.97 | 159,221 |
| Least-Forested Countries | 0 | - | 4.53 | 65,491 |
| Countries by Countries | 0 | - | 4.97 | 63,873 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,558 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,468 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 143,911 |
| Tropical Rainforest Countries | 0 | - | 4.69 | 82,432 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,727 |
| All Countries by Population With a Map | 0 | - | 4.98 | 111,702 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,620 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,314 |
| Countries with the Most Mangroves | 0 | - | 4.54 | 34,772 |
| Countries that Produce the Most Wine | 0 | - | 4.87 | 192,526 |
| Worst Plastic Polluting Countries | 0 | - | 4.51 | 66,980 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,817,124 |
| Countries that Beat the United States | 0 | - | 4.93 | 169,041 |
| Countries that Beat China | 0 | - | 4.85 | 117,068 |
| Countries that Beat Russia | 0 | - | 4.81 | 83,833 |
| Countries that Beat Spain | 0 | - | 4.94 | 63,475 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 56,631 |
| Countries that Beat Canada | 0 | - | 4.90 | 99,187 |
| Countries that Beat Germany | 0 | - | 4.94 | 107,586 |
| Countries that Beat Italy | 0 | - | 4.85 | 55,356 |
| Countries that Beat Portugal | 0 | - | 4.86 | 60,062 |
| NBA Cities Map Quiz | 0 | - | 4.51 | 254,311 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,659 |
| Western Europe Map Quiz | 0 | - | 4.86 | 94,038 |
| MLB Cities Map Quiz | 0 | - | 4.50 | 70,051 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,941 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,677 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 210,595 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,709 |
| Longest International Borders | 0 | - | 4.99 | 266,120 |
| Countries with Three Borders | 0 | - | 4.96 | 36,867 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,468 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,599 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.86 | 37,223 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 511,396 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 211,012 |
| Demonym of Every Country | 0 | - | 4.90 | 61,722 |
| Northernmost Countries Without Glaciers | 0 | - | 4.62 | 36,206 |
| Elements by Picture | 0 | - | 4.27 | 70,431 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 337,232 |
| Random European City to Country | 0 | - | 4.69 | 118,596 |
| Random Asian City to Country | 0 | - | 4.56 | 44,656 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,604,033 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 90,072 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,934 |
| Which City in Canada? | 0 | - | 4.83 | 57,446 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 377,238 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 410,770 |
| Island Countries | 0 | - | 4.99 | 713,322 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,399,126 |
| Top 10 Countries in Beer Production per Capita | 0 | - | 4.67 | 65,349 |
| Countries with Tropical Rainforest and Glaciers | 0 | - | 4.51 | 55,836 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,056,987 |
| Northernmost Countries | 0 | - | 4.99 | 364,948 |
| Countries by Alcohol Consumption | 0 | - | 4.43 | 206,298 |
| Countries with the Highest Percentage of Forest | 0 | - | 4.63 | 37,990 |
| Countries of South America | 0 | - | 5.00 | 935,212 |
| Countries of Oceania | 0 | - | 5.00 | 1,066,811 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,895,366 |
| "Land" Countries | 0 | - | 4.98 | 339,229 |
| World Map with Random Merged Countries | 0 | - | 4.99 | 1,733,395 |
| Countries that Beat Egypt | 0 | - | 4.91 | 67,298 |
| Europe Map Quiz | 0 | - | 5.00 | 4,796,107 |
| NHL Hockey Cities Map Quiz | 0 | - | 4.41 | 108,042 |
| All Country Flags of the World | 0 | - | 5.00 | 3,731,388 |
| Top World Languages | 0 | - | 4.92 | 832,443 |
| Organs of the Human Body (with map) | 0 | - | 4.10 | 120,469 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,799 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 105,222 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,457,186 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 383,292 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,726 |
| Countries with Megacities | 0 | - | 4.99 | 268,308 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,350 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,448 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,699 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,558 |
| Biggest Cities in the World | 0 | - | 4.91 | 807,764 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 167,556 |
| World City Nicknames Quiz | 0 | - | 4.16 | 35,721 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,662 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,694 |
| Most Remote Capital Cities | 0 | - | 4.92 | 54,174 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,455 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,616 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,563 |
