| Europe Capital to Country | 0 | - | 4.99 | 247,802 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,447 |
| European Capitals by Map | 0 | - | 4.99 | 136,250 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,181 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,603 |
| European Coastal Capitals | 0 | - | 4.95 | 89,749 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,786 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,407 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,119 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,702 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,761 |
| Africa Capitals Quiz | 0 | - | 4.99 | 730,189 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,869 |
| Name a Valid European Capital | 0 | - | 4.95 | 150,834 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,664 |
| Asia Capital to Country | 0 | - | 4.96 | 125,751 |
| African Capitals by Map | 0 | - | 4.99 | 132,166 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,124 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,182 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,784 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,196 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,421 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,055 |
| Random European Capital to Country | 0 | - | 4.98 | 189,201 |
| Random European Country to Capital | 0 | - | 4.92 | 147,445 |
| European Capitals by Airport Code | 0 | - | 4.92 | 35,424 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,228 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,796 |
| Random European Capitals on a Map | 0 | - | 4.97 | 133,817 |
| Official Cities in the UK | 0 | - | 4.89 | 280,518 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,854 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,666 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,174 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,446 |
| World Capitals Closest to Madrid | 0 | - | 4.50 | 42,356 |
| Capitals of the Stans | 0 | - | 4.95 | 26,403 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,194 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 144,928 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,397 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 93,331 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,376 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,445 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,396 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,410 |
| Random African Capital to Country | 0 | - | 4.97 | 99,738 |
| Random African Country to Capital | 0 | - | 4.94 | 70,228 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,111 |
| Name a City - European Countries | 0 | - | 4.92 | 64,386 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,152 |
| Word Scramble - European Capitals | 0 | - | 4.72 | 93,764 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,264 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,629 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,537 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,881 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,056 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.87 | 94,295 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,351 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,806 |
| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 64,888 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,347 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,943 |
| Cities in European History #1 | 0 | - | 4.63 | 133,115 |
| World Capitals Quiz | 0 | - | 5.00 | 5,031,003 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,278 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,186 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,278 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,364 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,742 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 25,793 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 200,230 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,321 |
| European Cities with the Biggest Economies | 0 | - | 4.62 | 38,184 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 47,638 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,570,926 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,237 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,184 |
| Melbourne Suburbs | 0 | - | 4.84 | 51,764 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 55,825 |
| Biggest Cities in Germany | 0 | - | 4.95 | 291,261 |
| Global Cities on a World Map | 0 | - | 4.93 | 134,749 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,677,586 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,943 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,077 |
| Northernmost Capital Cities | 0 | - | 4.98 | 108,943 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,651 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,600 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 107,613 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,433 |
| Countries by Capital City | 0 | - | 5.00 | 66,641 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,325 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 113,901 |
| World Capitals by Proximity | 0 | - | 4.91 | 328,355 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,405 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,032 |
| Moved Capital Cities | 0 | - | 4.96 | 73,583 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.62 | 15,813 |
| Which City in Europe? | 0 | - | 4.83 | 106,614 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 40,940 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.91 | 97,013 |
| Biggest Cities in Italy | 0 | - | 4.75 | 239,433 |
| British Places A-Z | 0 | - | 4.29 | 79,605 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 64,812 |
| 20 Northernmost English Cities | 0 | - | 4.49 | 23,778 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,782 |
| Random Capital to Country | 0 | - | 4.99 | 2,577,904 |
| Random Country to Capital | 0 | - | 4.98 | 911,545 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,517 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,907 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,655 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,523 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.58 | 42,655 |
| Boroughs of London | 0 | - | 4.63 | 87,047 |
| London Geography | 0 | - | 4.47 | 59,462 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.92 | 79,508 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 70,770 |
| Biggest Trading Partners - Spain | 0 | - | 4.91 | 53,505 |
| North American Sports Cities | 0 | - | 4.83 | 170,893 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,915 |
| European Cities by Map #2 | 0 | - | 4.48 | 47,194 |
| European Cities by Map #1 | 0 | - | 4.64 | 55,565 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,806 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,015 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,724 |
| Cities in Squares on a Map - Europe | 0 | - | 4.74 | 53,184 |
| Name a Valid World City | 0 | - | 4.83 | 70,128 |
| Cities by Former Name | 0 | - | 4.84 | 90,965 |
| India State Capitals Quiz | 0 | - | 4.27 | 59,370 |
| Capitals in their Native Languages | 0 | - | 4.95 | 132,688 |
| Nearest Capital City #1 | 0 | - | 4.84 | 57,237 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 245,824 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 67,938 |
| World Capitals by Map | 0 | - | 5.00 | 283,185 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,663 |
| Capitals Starting With H | 0 | - | 4.90 | 90,915 |
| Capitals Starting With K | 0 | - | 4.85 | 75,686 |
| Capitals Starting With L | 0 | - | 4.81 | 86,834 |
| Capitals Starting With M | 0 | - | 4.93 | 106,050 |
| Capitals Starting With P | 0 | - | 4.88 | 77,188 |
| Capitals Starting With R | 0 | - | 4.87 | 80,971 |
| Capitals Starting With S | 0 | - | 4.89 | 84,802 |
| Capitals Starting With T | 0 | - | 4.84 | 75,288 |
| Capitals Starting With W | 0 | - | 4.89 | 90,608 |
| Capitals Starting With A | 0 | - | 4.97 | 126,549 |
| Capitals Starting With B | 0 | - | 4.89 | 117,292 |
| Capitals Starting With D | 0 | - | 4.93 | 95,377 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,924 |
| Which City in Canada? | 0 | - | 4.83 | 56,653 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,542 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 342,021 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,460 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,307 |
| North America Cities by Map | 0 | - | 4.41 | 47,615 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,194 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 213,114 |
| Random European City to Country | 0 | - | 4.69 | 116,311 |
| Random Asian City to Country | 0 | - | 4.56 | 44,392 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 129,680 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,332 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 22,182 |
| Former Capitals | 0 | - | 4.88 | 71,140 |
| Capital Cities Chain | 0 | - | 4.84 | 81,912 |
| Coldest World Capitals | 0 | - | 4.95 | 133,040 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 76,793 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 89,990 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.62 | 34,583 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,030 |
| U.S. State Capital Etymology | 0 | - | 4.50 | 36,788 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,332 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,847 |
| US States and State Capitals | 0 | - | 4.99 | 158,503 |
| Which City in Germany? | 0 | - | 4.50 | 134,995 |
| Which City in Italy? | 0 | - | 4.55 | 78,148 |
| Which City in France? | 0 | - | 4.64 | 72,401 |
| Which City in Spain? | 0 | - | 4.50 | 49,441 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,418 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 124,725 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,121 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,988 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,844 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,982 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,827 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,462 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,788 |
| All 100k+ Cities in Europe on a Map | 0 | - | 4.98 | 99,792 |
| All 50k+ Cities in Europe with a Map | 0 | - | 4.95 | 33,872 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,143 |
| Southernmost Major Cities | 0 | - | 4.44 | 51,096 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.47 | 72,576 |
| Cities with the Most Foreign Embassies | 0 | - | 4.68 | 47,022 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 94,717 |
| South American Cities on the Map | 0 | - | 4.57 | 35,242 |
| Southeast Asian Cities by Map | 0 | - | 4.63 | 26,586 |
| 1M Cities by Proximity - United States | 0 | - | 4.56 | 149,699 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 40,596 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,094 |
| German Cities with the Most Tourists | 0 | - | 4.77 | 48,282 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 32,805 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,470 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,108 |
| World Capitals Closest to Jerusalem | 0 | - | 4.47 | 44,815 |
