| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,516 |
| Africa Capitals Quiz | 0 | - | 4.99 | 737,956 |
| Asia Capitals Quiz | 0 | - | 4.98 | 693,176 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,115 |
| Europe Capital to Country | 0 | - | 4.99 | 250,399 |
| Asia Capital to Country | 0 | - | 4.96 | 126,690 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,918 |
| European Capitals by Map | 0 | - | 4.99 | 139,297 |
| African Capitals by Map | 0 | - | 4.99 | 133,834 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,446 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,105 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,448 |
| European Coastal Capitals | 0 | - | 4.95 | 90,626 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,601 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 270,101 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,114 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,844 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,917 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,503 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,063 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,298 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,861 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,201 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,393 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,310 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,188 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,146 |
| Capitals of the Stans | 0 | - | 4.95 | 26,851 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,888 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,826 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,428 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,183 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 144,617 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,913 |
| Name a City - European Countries | 0 | - | 4.90 | 65,407 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,530 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,683 |
| Random European Capital to Country | 0 | - | 4.98 | 190,963 |
| Random European Country to Capital | 0 | - | 4.93 | 165,173 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,470 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,775 |
| Random African Capital to Country | 0 | - | 4.97 | 100,759 |
| Random African Country to Capital | 0 | - | 4.94 | 71,250 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,690,182 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,727 |
| South American Cities on the Map | 0 | - | 4.53 | 35,431 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,068 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,139 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,840 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,007 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,836 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,005 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,749 |
| World Capitals Quiz | 0 | - | 5.00 | 5,075,431 |
| Official Cities in the UK | 0 | - | 4.89 | 283,894 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,523 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.91 | 13,182 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,632 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,586,977 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 114,010 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,045 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,778 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,696 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 89,065 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,181 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 147,958 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,465 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,085 |
| Brazil States Map Quiz | 0 | - | 4.85 | 48,095 |
| States of Brazil | 0 | - | 4.97 | 88,175 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,961 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,352 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,187 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 150,640 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 40,942 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,094 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,279 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,433 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,526 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,266 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,045 |
| Countries by Capital City | 0 | - | 5.00 | 68,326 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,191 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,669 |
| World Capitals by Proximity | 0 | - | 4.91 | 331,524 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,225 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,183 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,352 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,207 |
| Moved Capital Cities | 0 | - | 4.96 | 74,223 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.62 | 15,996 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,659 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,573 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,070 |
| Melbourne Suburbs | 0 | - | 4.86 | 53,245 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,733 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,680 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 175,712 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,381 |
| Random U.S. City to State | 0 | - | 4.45 | 76,335 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,757 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,911 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,421 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,154 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,202 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 36,947 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,553 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.64 | 33,978 |
| Which City in Europe? | 0 | - | 4.83 | 107,421 |
| Countries Bordering Brazil | 0 | - | 4.96 | 131,591 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,600 |
| North American Sports Cities | 0 | - | 4.83 | 172,414 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,335 |
| Cities in European History #1 | 0 | - | 4.63 | 134,040 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,352 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,760 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,888 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,409 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,129 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,412 |
| Cities in Squares on a Map - Europe | 0 | - | 4.70 | 53,857 |
| Name a Valid World City | 0 | - | 4.83 | 71,250 |
| Cities by Former Name | 0 | - | 4.83 | 91,591 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,410 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,668 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,238 |
| World Capitals by Map | 0 | - | 5.00 | 286,558 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,331 |
| Random Capital to Country | 0 | - | 4.99 | 2,591,977 |
| World Capitals Closest to Madrid | 0 | - | 4.50 | 42,417 |
| Random Country to Capital | 0 | - | 4.98 | 920,905 |
| Capitals Starting With H | 0 | - | 4.91 | 92,600 |
| Capitals Starting With K | 0 | - | 4.88 | 83,573 |
| Capitals Starting With L | 0 | - | 4.81 | 88,129 |
| Capitals Starting With M | 0 | - | 4.93 | 107,854 |
| Capitals Starting With P | 0 | - | 4.88 | 78,241 |
| Capitals Starting With R | 0 | - | 4.87 | 81,871 |
| Capitals Starting With S | 0 | - | 4.90 | 85,824 |
| Capitals Starting With T | 0 | - | 4.85 | 76,196 |
| Capitals Starting With W | 0 | - | 4.87 | 91,324 |
| Capitals Starting With A | 0 | - | 4.97 | 128,115 |
| Capitals Starting With B | 0 | - | 4.89 | 118,550 |
| Capitals Starting With D | 0 | - | 4.93 | 96,490 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,627 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,236 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.49 | 26,068 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.58 | 42,840 |
| Boroughs of New York City | 0 | - | 4.47 | 84,612 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,897 |
| Single Vowel Capitals | 0 | - | 4.81 | 14,482 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,887 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,001 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,567 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,011 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 215,109 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,432 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 130,922 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,819 |
| Former Capitals | 0 | - | 4.88 | 71,470 |
| India State Capitals Quiz | 0 | - | 4.28 | 59,700 |
| Capital Cities Chain | 0 | - | 4.84 | 82,766 |
| Coldest World Capitals | 0 | - | 4.95 | 133,574 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,593 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 200,978 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,925 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,399 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,279 |
| Which City in Canada? | 0 | - | 4.83 | 57,086 |
| Flags of North and South America | 0 | - | 4.99 | 373,258 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,246 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,407 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 72,877 |
| Cities with the Most Foreign Embassies | 0 | - | 4.68 | 47,147 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,592 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,508 |
| North America Cities by Map | 0 | - | 4.41 | 47,816 |
| ALL California Cities | 0 | - | 4.37 | 43,064 |
| Random European City to Country | 0 | - | 4.69 | 117,708 |
| Random Asian City to Country | 0 | - | 4.56 | 44,540 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,230 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,456 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,742 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,232 |
| US States and State Capitals | 0 | - | 4.99 | 162,585 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,956 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 183,902 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,372 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,852 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,450 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,758 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,535 |
| Southeast Asian Cities by Map | 0 | - | 4.63 | 26,719 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,444 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,821 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 48,395 |
| German Cities with the Most Tourists | 0 | - | 4.77 | 48,852 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,048 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,538 |
| World Capitals Closest to Jerusalem | 0 | - | 4.47 | 44,966 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,675 |
