| Name a Valid European Capital | 0 | - | 4.95 | 151,605 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 258,593 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,457 |
| Name a Valid African Country | 0 | - | 4.98 | 153,381 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,861 |
| Metals of Antiquity | 0 | - | 4.94 | 93,115 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,441 |
| Countries with the Highest Carbon Dioxide Emissions | 0 | - | 4.97 | 109,604 |
| United States Map Quiz | 0 | - | 4.98 | 4,147,974 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,323,251 |
| Countries with Glaciers | 0 | - | 4.97 | 104,838 |
| Countries with the Most Forest | 0 | - | 4.87 | 146,856 |
| Countries Reducing Carbon Dioxide Emissions the Most | 0 | - | 4.89 | 64,394 |
| Elements Named for Countries | 0 | - | 4.52 | 24,539 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,431 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,953 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,556 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,804 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,750 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 134,593 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,618 |
| UK Cities Map Quiz | 0 | - | 4.96 | 463,176 |
| Name the Constellations - With a Map | 0 | - | 4.92 | 35,780 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,423 |
| 20 Random Country Flags | 0 | - | 4.99 | 607,981 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 231,701 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,036 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 109,267 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,583 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 96,012 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,682 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,272 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 132,071 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 79,918 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 88,922 |
| Countries that Produce the Most Beer | 0 | - | 4.85 | 130,084 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 88,709 |
| Name a Valid Country Flag | 0 | - | 4.68 | 75,182 |
| Boundary Waters | 0 | - | 4.92 | 88,217 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,954 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,631 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 61,784 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 60,102 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,870 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,113 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,148,824 |
| Landlocked Countries | 0 | - | 4.99 | 416,482 |
| Countries with the Most HIV | 0 | - | 4.46 | 44,379 |
| Countries with the Most Malaria Deaths | 0 | - | 4.45 | 45,062 |
| Countries that Desalinate the Most Water | 0 | - | 4.77 | 41,467 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 561,376 |
| Countries that Beat Australia | 0 | - | 4.92 | 92,381 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 120,773 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,549 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,627 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,355 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,323 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,258 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,514 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 41,080 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 123,333 |
| Name a City - Asian Countries | 0 | - | 4.38 | 19,450 |
| World Capitals Quiz | 0 | - | 5.00 | 5,049,277 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,488 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,795 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,196 |
| Which City in Europe? | 0 | - | 4.83 | 106,983 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,848 |
| Himalayan Countries | 0 | - | 4.95 | 136,427 |
| Andean Countries | 0 | - | 4.95 | 83,444 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,713 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,943 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,392 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,993 |
| Danube Countries | 0 | - | 4.97 | 71,377 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,187 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,838 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,119 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,077 |
| European Landlocked Countries | 0 | - | 4.99 | 146,112 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,731 |
| Countries with the Most Species | 0 | - | 4.99 | 101,171 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,868 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,318 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,500 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,137 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,795 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,169 |
| Countries in the Alps | 0 | - | 4.86 | 117,306 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,879 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,848 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,241 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,724 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,799 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,236 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,962 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,983 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,789 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,318 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,350 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,196 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,706 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,983 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,992 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,671 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,879 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,416 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,213 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 240,902 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,520 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,812 |
| Largest Countries By Category | 0 | - | 4.97 | 157,227 |
| Least-Forested Countries | 0 | - | 4.53 | 65,029 |
| Countries by Countries | 0 | - | 4.96 | 62,578 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,856 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,075 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 141,906 |
| Tropical Rainforest Countries | 0 | - | 4.68 | 81,861 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,406 |
| All Countries by Population With a Map | 0 | - | 4.98 | 107,653 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,377 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,068 |
| Countries with the Most Mangroves | 0 | - | 4.53 | 34,531 |
| Countries that Produce the Most Wine | 0 | - | 4.87 | 191,260 |
| Worst Plastic Polluting Countries | 0 | - | 4.51 | 66,274 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,739,291 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,111 |
| Countries that Beat China | 0 | - | 4.86 | 115,172 |
| Countries that Beat Russia | 0 | - | 4.81 | 82,229 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,649 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 55,469 |
| Countries that Beat Canada | 0 | - | 4.90 | 87,109 |
| Countries that Beat Germany | 0 | - | 4.95 | 105,794 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,119 |
| Countries that Beat Portugal | 0 | - | 4.86 | 58,941 |
| NBA Cities Map Quiz | 0 | - | 4.52 | 250,879 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,016 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,616 |
| MLB Cities Map Quiz | 0 | - | 4.50 | 69,150 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,903 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,322 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 207,185 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,834 |
| Longest International Borders | 0 | - | 4.99 | 264,275 |
| Countries with Three Borders | 0 | - | 4.96 | 36,340 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,770 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,863 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.85 | 36,947 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 503,983 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 207,583 |
| Demonym of Every Country | 0 | - | 4.91 | 58,899 |
| Northernmost Countries Without Glaciers | 0 | - | 4.61 | 36,101 |
| Elements by Picture | 0 | - | 4.27 | 69,727 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,666 |
| Random European City to Country | 0 | - | 4.69 | 116,938 |
| Random Asian City to Country | 0 | - | 4.56 | 44,430 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,577,415 |
| Random State Capital to U.S. State | 0 | - | 4.83 | 88,590 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 93,874 |
| Which City in Canada? | 0 | - | 4.82 | 56,846 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 373,759 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 403,638 |
| Island Countries | 0 | - | 4.99 | 708,746 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,369,980 |
| Top 10 Countries in Beer Production per Capita | 0 | - | 4.67 | 64,646 |
| Countries with Tropical Rainforest and Glaciers | 0 | - | 4.51 | 55,519 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,043,123 |
| Northernmost Countries | 0 | - | 4.99 | 359,279 |
| Countries by Alcohol Consumption | 0 | - | 4.43 | 204,960 |
| Countries with the Highest Percentage of Forest | 0 | - | 4.62 | 37,735 |
| Countries of South America | 0 | - | 5.00 | 919,407 |
| Countries of Oceania | 0 | - | 5.00 | 1,046,315 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,857,986 |
| "Land" Countries | 0 | - | 4.98 | 334,532 |
| World Map with Random Merged Countries | 0 | - | 4.99 | 1,711,382 |
| Countries that Beat Egypt | 0 | - | 4.88 | 56,758 |
| Europe Map Quiz | 0 | - | 5.00 | 4,744,994 |
| All Country Flags of the World | 0 | - | 5.00 | 3,628,257 |
| Top World Languages | 0 | - | 4.92 | 817,068 |
| Organs of the Human Body (with map) | 0 | - | 4.11 | 118,846 |
| Analogies of Countries #1 | 0 | - | 4.88 | 68,259 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 103,841 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,439,647 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,771 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,225 |
| Countries with Megacities | 0 | - | 4.99 | 248,837 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,076 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,519 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,443 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,471 |
| Biggest Cities in the World | 0 | - | 4.91 | 793,805 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 166,043 |
| World City Nicknames Quiz | 0 | - | 4.16 | 35,522 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,429 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,546 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,032 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,027 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,274 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,132 |
| Countries by Capital City | 0 | - | 5.00 | 67,427 |
