| South America Capitals Quiz | 0 | - | 5.00 | 483,460 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,982 |
| Africa Capitals Quiz | 0 | - | 4.99 | 741,320 |
| Asia Capitals Quiz | 0 | - | 4.98 | 696,329 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,387 |
| Europe Capital to Country | 0 | - | 4.99 | 251,361 |
| Asia Capital to Country | 0 | - | 4.96 | 127,083 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,509 |
| European Capitals by Map | 0 | - | 4.99 | 141,059 |
| African Capitals by Map | 0 | - | 4.99 | 140,664 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,424 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,542 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,902 |
| European Coastal Capitals | 0 | - | 4.95 | 91,009 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,022 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 271,460 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,027 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,008 |
| North America Capitals Quiz | 0 | - | 4.99 | 221,113 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,900 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,334 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,710 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,189 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,405 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,714 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,518 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,427 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,230 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 145,115 |
| Capitals of the Stans | 0 | - | 4.95 | 27,025 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,468 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,221 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,083 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,396 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,210 |
| Name a City - European Countries | 0 | - | 4.90 | 65,857 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,682 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,900 |
| Random European Capital to Country | 0 | - | 4.98 | 191,732 |
| Random European Country to Capital | 0 | - | 4.93 | 165,590 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,838 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,194 |
| Random African Capital to Country | 0 | - | 4.97 | 101,085 |
| Random African Country to Capital | 0 | - | 4.94 | 71,548 |
| European Capitals by Airport Code | 0 | - | 4.93 | 36,557 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,694,983 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,624 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,098 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,090 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,081 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,197 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,139 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,146 |
| South American Cities on the Map | 0 | - | 4.52 | 35,504 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,666 |
| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 68,296 |
| World Capitals Quiz | 0 | - | 5.00 | 5,091,791 |
| Official Cities in the UK | 0 | - | 4.89 | 285,138 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,810 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,471 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 227,194 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 114,215 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,096 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,830 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,742 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,476 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,604 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 150,022 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,594,073 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,645 |
| Brazil States Map Quiz | 0 | - | 4.86 | 48,366 |
| States of Brazil | 0 | - | 4.97 | 89,013 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 54,403 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,481 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 151,536 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,108 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,224 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,431 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,377 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,851 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,140 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,380 |
| Melbourne Suburbs | 0 | - | 4.86 | 53,870 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,872 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,145 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 176,953 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,852 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,863 |
| Random U.S. City to State | 0 | - | 4.45 | 76,680 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,370 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,961 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,807 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,725 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,919 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,811 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,653 |
| Countries by Capital City | 0 | - | 5.00 | 68,937 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,559 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,980 |
| World Capitals by Proximity | 0 | - | 4.91 | 332,739 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,566 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,233 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,981 |
| Moved Capital Cities | 0 | - | 4.96 | 74,470 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.64 | 16,140 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,711 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,572 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,205 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,231 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 37,021 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,617 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.64 | 34,016 |
| Which City in Europe? | 0 | - | 4.83 | 107,706 |
| Countries Bordering Brazil | 0 | - | 4.96 | 132,049 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,746 |
| North American Sports Cities | 0 | - | 4.83 | 172,846 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,461 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,731 |
| Name a Valid World City | 0 | - | 4.84 | 71,634 |
| Cities by Former Name | 0 | - | 4.83 | 91,846 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,566 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,847 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,560 |
| World Capitals by Map | 0 | - | 5.00 | 288,267 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,629 |
| Random Capital to Country | 0 | - | 4.99 | 2,596,971 |
| Random Country to Capital | 0 | - | 4.98 | 924,585 |
| Capitals Starting With H | 0 | - | 4.91 | 92,858 |
| Capitals Starting With K | 0 | - | 4.88 | 83,905 |
| Capitals Starting With L | 0 | - | 4.81 | 88,377 |
| Capitals Starting With M | 0 | - | 4.93 | 108,310 |
| Capitals Starting With P | 0 | - | 4.88 | 78,493 |
| Capitals Starting With R | 0 | - | 4.87 | 82,094 |
| Capitals Starting With S | 0 | - | 4.90 | 86,083 |
| Capitals Starting With T | 0 | - | 4.85 | 76,424 |
| Capitals Starting With W | 0 | - | 4.87 | 91,467 |
| Capitals Starting With A | 0 | - | 4.97 | 128,467 |
| Capitals Starting With B | 0 | - | 4.89 | 118,882 |
| Capitals Starting With D | 0 | - | 4.93 | 96,764 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,652 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,265 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.49 | 26,085 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.58 | 42,919 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,011 |
| Cities in European History #1 | 0 | - | 4.63 | 134,371 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,409 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,833 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,926 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,456 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,179 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,481 |
| Cities in Squares on a Map - Europe | 0 | - | 4.69 | 54,271 |
| India State Capitals Quiz | 0 | - | 4.28 | 59,834 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 201,612 |
| World Capitals Closest to Madrid | 0 | - | 4.50 | 42,438 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,421 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,569 |
| Which City in Canada? | 0 | - | 4.83 | 57,229 |
| Boroughs of New York City | 0 | - | 4.47 | 84,828 |
| Which South American Country? | 0 | - | 4.69 | 52,037 |
| Flags of North and South America | 0 | - | 4.99 | 375,275 |
| Single Vowel Capitals | 0 | - | 4.82 | 14,628 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,075 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,395 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,650 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,667 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,629 |
| North America Cities by Map | 0 | - | 4.41 | 47,886 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,612 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 215,877 |
| ALL California Cities | 0 | - | 4.37 | 43,168 |
| Random European City to Country | 0 | - | 4.69 | 118,199 |
| Random Asian City to Country | 0 | - | 4.56 | 44,580 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,417 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,341 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,553 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,476 |
| Former Capitals | 0 | - | 4.88 | 71,580 |
| Capital Cities Chain | 0 | - | 4.84 | 83,108 |
| Coldest World Capitals | 0 | - | 4.95 | 134,018 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,899 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,254 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,805 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,303 |
| US States and State Capitals | 0 | - | 4.99 | 164,208 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,782 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,579 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,211 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,584 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,692 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,890 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,287 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,580 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 73,008 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,201 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,607 |
| Southeast Asian Cities by Map | 0 | - | 4.63 | 26,771 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,532 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,088 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 48,694 |
