| Europe Capital to Country | 0 | - | 4.99 | 250,227 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,878 |
| European Capitals by Map | 0 | - | 4.99 | 139,161 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,067 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,419 |
| European Coastal Capitals | 0 | - | 4.95 | 90,600 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,030 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,037 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,268 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,175 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,290 |
| Africa Capitals Quiz | 0 | - | 4.99 | 737,687 |
| Asia Capitals Quiz | 0 | - | 4.98 | 692,884 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,385 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,159 |
| Asia Capital to Country | 0 | - | 4.96 | 126,661 |
| African Capitals by Map | 0 | - | 4.99 | 133,790 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,399 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,586 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 270,008 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,522 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,831 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,668 |
| Random European Capital to Country | 0 | - | 4.98 | 190,911 |
| Random European Country to Capital | 0 | - | 4.93 | 165,125 |
| European Capitals by Airport Code | 0 | - | 4.93 | 36,187 |
| South America Capitals Quiz | 0 | - | 5.00 | 481,435 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,000 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,713 |
| Official Cities in the UK | 0 | - | 4.89 | 283,742 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,800 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,482 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,831 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,368 |
| Capitals of the Stans | 0 | - | 4.95 | 26,841 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,147 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 147,675 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,100 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,249 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,475 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,450 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,755 |
| Random African Capital to Country | 0 | - | 4.97 | 100,715 |
| Random African Country to Capital | 0 | - | 4.94 | 71,205 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,893 |
| Name a City - European Countries | 0 | - | 4.90 | 65,385 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,346 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,187 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,829 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,995 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,160 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,136 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,793 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,679 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,096 |
| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 67,166 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 144,560 |
| Biggest Trading Partners - Spain | 0 | - | 4.92 | 53,784 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,894 |
| Cities in European History #1 | 0 | - | 4.63 | 133,996 |
| World Capitals Quiz | 0 | - | 5.00 | 5,073,713 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,595 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 89,037 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,402 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,838 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,792 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,495 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.91 | 13,148 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 200,950 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,994 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,515 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,436 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 48,352 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,586,357 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,645 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,051 |
| Melbourne Suburbs | 0 | - | 4.86 | 53,162 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,710 |
| Biggest Cities in Germany | 0 | - | 4.95 | 293,473 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,125 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,689,745 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,031 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,812 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,246 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,402 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,494 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,226 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,984 |
| Countries by Capital City | 0 | - | 5.00 | 68,271 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,163 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,645 |
| World Capitals by Proximity | 0 | - | 4.91 | 331,421 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,195 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,177 |
| Moved Capital Cities | 0 | - | 4.96 | 74,206 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.62 | 15,993 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,553 |
| Which City in Europe? | 0 | - | 4.83 | 107,392 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,995 |
| Biggest Cities in Spain | 0 | - | 4.63 | 171,149 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 96,008 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,198 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 98,736 |
| British Places A-Z | 0 | - | 4.29 | 79,874 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 64,943 |
| 20 Northernmost English Cities | 0 | - | 4.49 | 23,840 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,908 |
| Random Capital to Country | 0 | - | 4.99 | 2,591,283 |
| Random Country to Capital | 0 | - | 4.98 | 920,512 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 113,998 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,041 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,774 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,691 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.58 | 42,834 |
| Boroughs of London | 0 | - | 4.63 | 87,906 |
| London Geography | 0 | - | 4.47 | 59,677 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 80,352 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 71,475 |
| North American Sports Cities | 0 | - | 4.83 | 172,368 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,318 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,343 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,745 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,884 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,125 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,392 |
| Cities in Squares on a Map - Europe | 0 | - | 4.70 | 53,816 |
| Name a Valid World City | 0 | - | 4.83 | 71,200 |
| Cities by Former Name | 0 | - | 4.83 | 91,570 |
| India State Capitals Quiz | 0 | - | 4.28 | 59,685 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,395 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,656 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,457 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,206 |
| World Capitals by Map | 0 | - | 5.00 | 286,444 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,310 |
| Capitals Starting With H | 0 | - | 4.91 | 92,550 |
| Capitals Starting With K | 0 | - | 4.88 | 83,495 |
| Capitals Starting With L | 0 | - | 4.81 | 88,082 |
| Capitals Starting With M | 0 | - | 4.93 | 107,789 |
| Capitals Starting With P | 0 | - | 4.88 | 78,204 |
| Capitals Starting With R | 0 | - | 4.87 | 81,824 |
| Capitals Starting With S | 0 | - | 4.90 | 85,783 |
| Capitals Starting With T | 0 | - | 4.85 | 76,173 |
| Capitals Starting With W | 0 | - | 4.87 | 91,305 |
| Capitals Starting With A | 0 | - | 4.97 | 127,915 |
| Capitals Starting With B | 0 | - | 4.89 | 118,474 |
| Capitals Starting With D | 0 | - | 4.93 | 96,434 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,074 |
| Which City in Canada? | 0 | - | 4.83 | 57,074 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,881 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,952 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 345,678 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,587 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,559 |
| North America Cities by Map | 0 | - | 4.41 | 47,808 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,975 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 215,038 |
| Random European City to Country | 0 | - | 4.69 | 117,668 |
| Random Asian City to Country | 0 | - | 4.56 | 44,535 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 130,882 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,799 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,197 |
| Former Capitals | 0 | - | 4.88 | 71,458 |
| Capital Cities Chain | 0 | - | 4.84 | 82,738 |
| Coldest World Capitals | 0 | - | 4.95 | 133,559 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,565 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,897 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,738 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,227 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 36,935 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,548 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.64 | 33,976 |
| US States and State Capitals | 0 | - | 4.99 | 162,428 |
| Which City in Germany? | 0 | - | 4.50 | 136,511 |
| Which City in Italy? | 0 | - | 4.68 | 90,152 |
| Which City in France? | 0 | - | 4.64 | 73,065 |
| Which City in Spain? | 0 | - | 4.50 | 49,937 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,222 |
| UK Cities Map Quiz | 0 | - | 4.96 | 464,559 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 183,853 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,331 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,830 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,434 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,359 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,345 |
| All 100k+ Cities in Europe on a Map | 0 | - | 4.99 | 101,409 |
| All 50k+ Cities in Europe with a Map | 0 | - | 4.95 | 34,867 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,241 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,389 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 72,866 |
| Cities with the Most Foreign Embassies | 0 | - | 4.68 | 47,142 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,334 |
| South American Cities on the Map | 0 | - | 4.53 | 35,426 |
| Southeast Asian Cities by Map | 0 | - | 4.63 | 26,715 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 150,610 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 40,930 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,774 |
| German Cities with the Most Tourists | 0 | - | 4.77 | 48,830 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,089 |
| Divided World City Name Puzzle #2 | 0 | - | 4.84 | 37,027 |
