| Name the Constellations - With a Map | 0 | - | 4.92 | 35,981 |
| Countries with the Highest Carbon Dioxide Emissions | 0 | - | 4.97 | 109,735 |
| United States Map Quiz | 0 | - | 4.98 | 4,161,244 |
| Countries with Glaciers | 0 | - | 4.97 | 105,490 |
| Countries with the Most Christians | 0 | - | 4.92 | 143,417 |
| Countries with the Most Forest | 0 | - | 4.87 | 147,618 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 88,364 |
| Countries Reducing Carbon Dioxide Emissions the Most | 0 | - | 4.89 | 64,706 |
| UK Cities Map Quiz | 0 | - | 4.96 | 464,843 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,874 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,566 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,406 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,202 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,445 |
| Countries with the Most Catholics | 0 | - | 4.90 | 109,609 |
| Orthodox Countries | 0 | - | 4.92 | 132,095 |
| Battle to Country | 0 | - | 4.91 | 53,423 |
| Monarchies of Europe | 0 | - | 4.90 | 98,228 |
| Monarchies of Asia | 0 | - | 4.97 | 71,139 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,950 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 136,071 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 111,872 |
| Counties of England Map Quiz | 0 | - | 4.97 | 307,854 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 233,565 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,324 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 110,178 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 92,452 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 96,923 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 133,204 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 80,624 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,220 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 199,586 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,695 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 134,977 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,274 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,213 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,120 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,037 |
| Top 10 Solar Power Countries | 0 | - | 4.78 | 60,016 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.87 | 89,095 |
| Boundary Waters | 0 | - | 4.92 | 88,512 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,208 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,182 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,573 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,527 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,487 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,156 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,893 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 124,052 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,604 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,552 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,276 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,520,281 |
| Countries in World War I | 0 | - | 4.88 | 228,298 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 229,184 |
| Countries with the Most HIV | 0 | - | 4.46 | 44,463 |
| Countries with the Most Malaria Deaths | 0 | - | 4.45 | 45,342 |
| Hindu Countries | 0 | - | 4.86 | 50,225 |
| Countries that Desalinate the Most Water | 0 | - | 4.77 | 41,705 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 90,189 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,902 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 84,202 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 76,344 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 149,858 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,880 |
| World Capitals Quiz | 0 | - | 5.00 | 5,078,630 |
| Landlocked Countries | 0 | - | 4.99 | 421,209 |
| Countries with the Most Cathedrals | 0 | - | 4.48 | 46,501 |
| Least-Forested Countries | 0 | - | 4.53 | 65,245 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 574,460 |
| Tropical Rainforest Countries | 0 | - | 4.69 | 82,117 |
| Countries with the Most Mangroves | 0 | - | 4.53 | 34,649 |
| Worst Plastic Polluting Countries | 0 | - | 4.51 | 66,585 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,772,967 |
| Countries with the Most Hindus | 0 | - | 4.90 | 123,114 |
| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 50,817 |
| NBA Cities Map Quiz | 0 | - | 4.51 | 252,585 |
| MLB Cities Map Quiz | 0 | - | 4.50 | 69,624 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,420 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,750 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,776 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,944 |
| Northernmost Countries Without Glaciers | 0 | - | 4.62 | 36,154 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,932 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,664 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,924 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,291 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,292 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 330,913 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,588,464 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,295 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 406,727 |
| Island Countries | 0 | - | 4.99 | 710,744 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,064 |
| Himalayan Countries | 0 | - | 4.95 | 138,375 |
| Andean Countries | 0 | - | 4.93 | 84,408 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,631 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,552 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,253 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,656 |
| Danube Countries | 0 | - | 4.97 | 71,919 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,897 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,323 |
| Countries with the Worst Passports | 0 | - | 4.94 | 84,136 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,595 |
| European Landlocked Countries | 0 | - | 4.99 | 147,051 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,489 |
| Countries with the Most Species | 0 | - | 4.99 | 103,160 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,644 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,542 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,684 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,483 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,164 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,578 |
| Countries in the Alps | 0 | - | 4.87 | 118,072 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 100,521 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,880 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,594 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,517 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,408 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,884 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,566 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,423 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,125 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,773 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,600 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,464 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,141 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,401 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,439 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,710 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,235 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 60,318 |
| Catholic Countries | 0 | - | 4.79 | 215,062 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,924 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,548 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,872 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,160 |
| Largest Countries By Category | 0 | - | 4.97 | 158,062 |
| Countries by Countries | 0 | - | 4.96 | 63,103 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,381,651 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,578 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,249 |
| Countries with Tropical Rainforest and Glaciers | 0 | - | 4.51 | 55,668 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,538 |
| All Countries by Population With a Map | 0 | - | 4.98 | 109,341 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,904 |
| Communist Countries in History | 0 | - | 4.63 | 496,106 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,591 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,048,844 |
| Northernmost Countries | 0 | - | 4.99 | 361,601 |
| Countries with the Highest Percentage of Forest | 0 | - | 4.62 | 37,844 |
| Companies by Country | 0 | - | 4.61 | 119,730 |
| Countries of South America | 0 | - | 5.00 | 926,164 |
| Countries of Oceania | 0 | - | 5.00 | 1,055,400 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,874,624 |
| "Land" Countries | 0 | - | 4.98 | 337,083 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,242 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,336 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 190,974 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 40,368 |
| Europe Map Quiz | 0 | - | 5.00 | 4,766,653 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,648 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,825 |
| American Monopoly Board - Map Quiz | 0 | - | 4.52 | 21,213 |
| Tolkien's Middle Earth Map Quiz | 0 | - | 4.92 | 37,897 |
| All Country Flags of the World | 0 | - | 5.00 | 3,671,807 |
| Top World Languages | 0 | - | 4.92 | 823,195 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,434 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,467 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 208,793 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,239 |
| Longest International Borders | 0 | - | 4.99 | 265,059 |
| Countries with Three Borders | 0 | - | 4.96 | 36,569 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,076 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,171 |
| Organs of the Human Body (with map) | 0 | - | 4.10 | 119,402 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 35,016 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,220 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.85 | 37,050 |
| Demonym of Every Country | 0 | - | 4.92 | 60,445 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,857 |
| Elements Named for Countries | 0 | - | 4.53 | 24,746 |
| Biblical Geography | 0 | - | 4.40 | 67,216 |
| Analogies of Countries #1 | 0 | - | 4.88 | 68,427 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 104,461 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,446,906 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,654 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,685 |
| Countries with Megacities | 0 | - | 4.99 | 264,034 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,527 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,363 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,797 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,420 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.70 | 107,831 |
| Biggest Cities in the World | 0 | - | 4.91 | 799,836 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 223,191 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,303 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,459 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,395 |
