| Europe Capital to Country | 0 | - | 4.99 | 247,478 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,401 |
| European Capitals by Map | 0 | - | 4.99 | 136,157 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,148 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,578 |
| European Coastal Capitals | 0 | - | 4.95 | 89,714 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,688 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,383 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,081 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,682 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,745 |
| Africa Capitals Quiz | 0 | - | 4.99 | 729,963 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,590 |
| Name a Valid European Capital | 0 | - | 4.95 | 150,788 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,647 |
| Asia Capital to Country | 0 | - | 4.96 | 125,711 |
| African Capitals by Map | 0 | - | 4.99 | 132,113 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,080 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,171 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,655 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,179 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,407 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 82,996 |
| Random European Capital to Country | 0 | - | 4.98 | 189,149 |
| Random European Country to Capital | 0 | - | 4.92 | 147,397 |
| European Capitals by Airport Code | 0 | - | 4.92 | 35,401 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,089 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,790 |
| Random European Capitals on a Map | 0 | - | 4.97 | 133,798 |
| Official Cities in the UK | 0 | - | 4.89 | 280,419 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,765 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,631 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,140 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,415 |
| World Capitals Closest to Madrid | 0 | - | 4.50 | 42,353 |
| Capitals of the Stans | 0 | - | 4.95 | 26,397 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,159 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 144,842 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,376 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 93,317 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,346 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,411 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,341 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,371 |
| Random African Capital to Country | 0 | - | 4.97 | 99,712 |
| Random African Country to Capital | 0 | - | 4.94 | 70,198 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,084 |
| Name a City - European Countries | 0 | - | 4.92 | 64,348 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,146 |
| Word Scramble - European Capitals | 0 | - | 4.72 | 93,751 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,246 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,606 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,511 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,874 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,945 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.87 | 94,258 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,317 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,756 |
| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 64,834 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,311 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,853 |
| Cities in European History #1 | 0 | - | 4.63 | 133,069 |
| World Capitals Quiz | 0 | - | 5.00 | 5,029,652 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,245 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,169 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,275 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,299 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,712 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 25,765 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 200,200 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,319 |
| European Cities with the Biggest Economies | 0 | - | 4.62 | 38,172 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 47,615 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,570,387 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,227 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,152 |
| Melbourne Suburbs | 0 | - | 4.84 | 51,741 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 55,799 |
| Biggest Cities in Germany | 0 | - | 4.95 | 291,164 |
| Global Cities on a World Map | 0 | - | 4.93 | 134,706 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,677,218 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,874 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,048 |
| Northernmost Capital Cities | 0 | - | 4.98 | 108,894 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,620 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,577 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 107,565 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,370 |
| Countries by Capital City | 0 | - | 5.00 | 66,575 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,294 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 113,874 |
| World Capitals by Proximity | 0 | - | 4.91 | 328,256 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,394 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,029 |
| Moved Capital Cities | 0 | - | 4.96 | 73,561 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.62 | 15,807 |
| Which City in Europe? | 0 | - | 4.83 | 106,595 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 40,934 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.91 | 96,978 |
| Biggest Cities in Italy | 0 | - | 4.75 | 239,379 |
| British Places A-Z | 0 | - | 4.29 | 79,592 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 64,809 |
| 20 Northernmost English Cities | 0 | - | 4.49 | 23,776 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,782 |
| Random Capital to Country | 0 | - | 4.99 | 2,577,516 |
| Random Country to Capital | 0 | - | 4.98 | 911,334 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,510 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,903 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,653 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,519 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.58 | 42,650 |
| Boroughs of London | 0 | - | 4.63 | 87,014 |
| London Geography | 0 | - | 4.47 | 59,449 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.92 | 79,483 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 70,745 |
| Biggest Trading Partners - Spain | 0 | - | 4.91 | 53,501 |
| North American Sports Cities | 0 | - | 4.83 | 170,859 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,906 |
| European Cities by Map #2 | 0 | - | 4.48 | 47,187 |
| European Cities by Map #1 | 0 | - | 4.64 | 55,556 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,800 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,009 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,697 |
| Cities in Squares on a Map - Europe | 0 | - | 4.74 | 53,163 |
| Name a Valid World City | 0 | - | 4.83 | 70,090 |
| Cities by Former Name | 0 | - | 4.84 | 90,939 |
| India State Capitals Quiz | 0 | - | 4.27 | 59,360 |
| Capitals in their Native Languages | 0 | - | 4.95 | 132,673 |
| Nearest Capital City #1 | 0 | - | 4.84 | 57,223 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 245,795 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 67,886 |
| World Capitals by Map | 0 | - | 5.00 | 283,093 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,640 |
| Capitals Starting With H | 0 | - | 4.90 | 90,670 |
| Capitals Starting With K | 0 | - | 4.85 | 75,655 |
| Capitals Starting With L | 0 | - | 4.81 | 86,799 |
| Capitals Starting With M | 0 | - | 4.93 | 106,007 |
| Capitals Starting With P | 0 | - | 4.88 | 77,157 |
| Capitals Starting With R | 0 | - | 4.87 | 80,948 |
| Capitals Starting With S | 0 | - | 4.89 | 84,778 |
| Capitals Starting With T | 0 | - | 4.84 | 75,266 |
| Capitals Starting With W | 0 | - | 4.89 | 90,586 |
| Capitals Starting With A | 0 | - | 4.97 | 126,503 |
| Capitals Starting With B | 0 | - | 4.89 | 117,251 |
| Capitals Starting With D | 0 | - | 4.93 | 95,349 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,919 |
| Which City in Canada? | 0 | - | 4.83 | 56,645 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,505 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 341,899 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,455 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,298 |
| North America Cities by Map | 0 | - | 4.41 | 47,606 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,158 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 213,055 |
| Random European City to Country | 0 | - | 4.69 | 116,288 |
| Random Asian City to Country | 0 | - | 4.56 | 44,386 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 129,641 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,309 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 22,118 |
| Former Capitals | 0 | - | 4.88 | 71,129 |
| Capital Cities Chain | 0 | - | 4.84 | 81,889 |
| Coldest World Capitals | 0 | - | 4.95 | 133,029 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 76,768 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 89,958 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.62 | 34,579 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,020 |
| U.S. State Capital Etymology | 0 | - | 4.50 | 36,783 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,324 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,840 |
| US States and State Capitals | 0 | - | 4.99 | 158,393 |
| Which City in Germany? | 0 | - | 4.50 | 134,957 |
| Which City in Italy? | 0 | - | 4.55 | 78,139 |
| Which City in France? | 0 | - | 4.64 | 72,390 |
| Which City in Spain? | 0 | - | 4.50 | 49,428 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,294 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 124,675 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,061 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,929 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,800 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,958 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,810 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,402 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,749 |
| All 100k+ Cities in Europe on a Map | 0 | - | 4.98 | 99,740 |
| All 50k+ Cities in Europe with a Map | 0 | - | 4.95 | 33,855 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,142 |
| Southernmost Major Cities | 0 | - | 4.44 | 51,083 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.47 | 72,567 |
| Cities with the Most Foreign Embassies | 0 | - | 4.68 | 47,019 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 94,706 |
| South American Cities on the Map | 0 | - | 4.57 | 35,239 |
| Southeast Asian Cities by Map | 0 | - | 4.63 | 26,579 |
| 1M Cities by Proximity - United States | 0 | - | 4.56 | 149,675 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 40,584 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,080 |
| German Cities with the Most Tourists | 0 | - | 4.77 | 48,233 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 32,790 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,458 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,090 |
| World Capitals Closest to Jerusalem | 0 | - | 4.47 | 44,813 |
