| Name a Valid European Capital | 0 | - | 4.95 | 152,770 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 262,207 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,251 |
| Name a Valid African Country | 0 | - | 4.98 | 154,384 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 115,066 |
| Metals of Antiquity | 0 | - | 4.95 | 93,617 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 90,390 |
| Countries with the Highest Carbon Dioxide Emissions | 0 | - | 4.97 | 109,767 |
| United States Map Quiz | 0 | - | 4.98 | 4,163,806 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,330,929 |
| Countries with Glaciers | 0 | - | 4.96 | 105,565 |
| Countries with the Most Forest | 0 | - | 4.87 | 147,699 |
| Countries Reducing Carbon Dioxide Emissions the Most | 0 | - | 4.89 | 64,758 |
| Elements Named for Countries | 0 | - | 4.53 | 24,808 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,172 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,731 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,541 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,558 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,571 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 136,526 |
| Counties of England Map Quiz | 0 | - | 4.97 | 308,203 |
| UK Cities Map Quiz | 0 | - | 4.96 | 465,219 |
| Name the Constellations - With a Map | 0 | - | 4.92 | 36,025 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,770 |
| 20 Random Country Flags | 0 | - | 4.99 | 614,867 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 233,963 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,666 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 110,362 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 92,619 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,107 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,016 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,643 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 133,433 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 80,781 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,529 |
| Countries that Produce the Most Beer | 0 | - | 4.85 | 131,222 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 89,197 |
| Name a Valid Country Flag | 0 | - | 4.69 | 75,998 |
| Boundary Waters | 0 | - | 4.92 | 88,592 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,268 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,299 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,769 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,638 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,797 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,667 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,605,328 |
| Landlocked Countries | 0 | - | 4.99 | 422,267 |
| Countries with the Most HIV | 0 | - | 4.46 | 44,481 |
| Countries with the Most Malaria Deaths | 0 | - | 4.45 | 45,385 |
| Countries that Desalinate the Most Water | 0 | - | 4.77 | 41,750 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 577,684 |
| Countries that Beat Australia | 0 | - | 4.92 | 93,026 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 122,167 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,180 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,861 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,719 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,044 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,445 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,455 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 41,798 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 124,214 |
| Name a City - Asian Countries | 0 | - | 4.38 | 19,586 |
| World Capitals Quiz | 0 | - | 5.00 | 5,084,879 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,943 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,089 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,955 |
| Which City in Europe? | 0 | - | 4.83 | 107,587 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,642 |
| Himalayan Countries | 0 | - | 4.95 | 138,875 |
| Andean Countries | 0 | - | 4.93 | 84,696 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,897 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,942 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,523 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,865 |
| Danube Countries | 0 | - | 4.97 | 72,049 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,064 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,461 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,367 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,856 |
| European Landlocked Countries | 0 | - | 4.99 | 147,178 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,699 |
| Countries with the Most Species | 0 | - | 4.99 | 103,267 |
| Countries 197 to 205 | 0 | - | 4.90 | 70,820 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,608 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,733 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,566 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,257 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,701 |
| Countries in the Alps | 0 | - | 4.87 | 118,259 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,292 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,083 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,685 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,627 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,549 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,971 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,705 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,521 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,201 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,882 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,670 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,544 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,250 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,503 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,558 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,972 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,338 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 64,148 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,131 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,087 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,204 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,258 |
| Largest Countries By Category | 0 | - | 4.97 | 158,265 |
| Least-Forested Countries | 0 | - | 4.53 | 65,290 |
| Countries by Countries | 0 | - | 4.96 | 63,262 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,730 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,302 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 142,915 |
| Tropical Rainforest Countries | 0 | - | 4.69 | 82,188 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,574 |
| All Countries by Population With a Map | 0 | - | 4.98 | 109,701 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,056 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,698 |
| Countries with the Most Mangroves | 0 | - | 4.53 | 34,665 |
| Countries that Produce the Most Wine | 0 | - | 4.87 | 191,924 |
| Worst Plastic Polluting Countries | 0 | - | 4.51 | 66,639 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,780,711 |
| Countries that Beat the United States | 0 | - | 4.93 | 167,846 |
| Countries that Beat China | 0 | - | 4.85 | 116,144 |
| Countries that Beat Russia | 0 | - | 4.81 | 83,074 |
| Countries that Beat Spain | 0 | - | 4.94 | 63,080 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 56,115 |
| Countries that Beat Canada | 0 | - | 4.91 | 98,520 |
| Countries that Beat Germany | 0 | - | 4.94 | 106,750 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,664 |
| NBA Cities Map Quiz | 0 | - | 4.51 | 252,957 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,742 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,864 |
| MLB Cities Map Quiz | 0 | - | 4.50 | 69,750 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,535 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,506 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 209,062 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,314 |
| Longest International Borders | 0 | - | 4.99 | 265,240 |
| Countries with Three Borders | 0 | - | 4.96 | 36,626 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,140 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,240 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.85 | 37,080 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 507,931 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 209,499 |
| Demonym of Every Country | 0 | - | 4.91 | 60,772 |
| Northernmost Countries Without Glaciers | 0 | - | 4.62 | 36,164 |
| Elements by Picture | 0 | - | 4.27 | 70,088 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,790 |
| Random European City to Country | 0 | - | 4.69 | 117,901 |
| Random Asian City to Country | 0 | - | 4.56 | 44,562 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,591,171 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 89,247 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,425 |
| Which City in Canada? | 0 | - | 4.83 | 57,150 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,592 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 407,526 |
| Island Countries | 0 | - | 4.99 | 711,149 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,384,374 |
| Top 10 Countries in Beer Production per Capita | 0 | - | 4.67 | 65,000 |
| Countries with Tropical Rainforest and Glaciers | 0 | - | 4.51 | 55,696 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,050,211 |
| Northernmost Countries | 0 | - | 4.99 | 362,079 |
| Countries by Alcohol Consumption | 0 | - | 4.43 | 205,649 |
| Countries with the Highest Percentage of Forest | 0 | - | 4.62 | 37,864 |
| Countries of South America | 0 | - | 5.00 | 927,755 |
| Countries of Oceania | 0 | - | 5.00 | 1,057,473 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,878,192 |
| "Land" Countries | 0 | - | 4.98 | 337,421 |
| World Map with Random Merged Countries | 0 | - | 4.99 | 1,722,671 |
| Countries that Beat Egypt | 0 | - | 4.88 | 57,133 |
| Europe Map Quiz | 0 | - | 5.00 | 4,771,886 |
| All Country Flags of the World | 0 | - | 5.00 | 3,681,519 |
| Top World Languages | 0 | - | 4.92 | 824,676 |
| Organs of the Human Body (with map) | 0 | - | 4.10 | 119,552 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,497 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 104,585 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,448,632 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,068 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,971 |
| Countries with Megacities | 0 | - | 4.99 | 264,723 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,804 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,509 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,066 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,584 |
| Biggest Cities in the World | 0 | - | 4.91 | 801,158 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 166,846 |
| World City Nicknames Quiz | 0 | - | 4.16 | 35,615 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,596 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,566 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,566 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,706 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,521 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,362 |
| Countries by Capital City | 0 | - | 5.00 | 68,672 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,395 |
