| European Cities by Wikipedia Descriptions | 0 | - | 4.45 | 54,574 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 93,335 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,927 |
| Asia Capital to Country | 0 | - | 4.96 | 125,762 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,137 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,189 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,635 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,184 |
| Cities by Wikipedia Descriptions #2 | 0 | - | 4.53 | 38,906 |
| U.S. Cities by Wikipedia Descriptions | 0 | - | 4.48 | 34,060 |
| Which City in Australia? | 0 | - | 4.67 | 34,224 |
| Capitals of the Stans | 0 | - | 4.95 | 26,408 |
| Name a Valid European Capital | 0 | - | 4.95 | 150,840 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,669 |
| Which City in Germany? | 0 | - | 4.50 | 135,003 |
| Which City in Italy? | 0 | - | 4.55 | 78,148 |
| Which City in France? | 0 | - | 4.64 | 72,403 |
| Which City in Spain? | 0 | - | 4.50 | 49,441 |
| Random Asian City to Country | 0 | - | 4.56 | 44,392 |
| Africa Capitals Quiz | 0 | - | 4.99 | 730,275 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,199 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,090 |
| Name a City - European Countries | 0 | - | 4.92 | 64,396 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,802 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,269 |
| Random European Capitals on a Map | 0 | - | 4.97 | 133,821 |
| Which City in Europe? | 0 | - | 4.83 | 106,623 |
| Which City in the Middle East? | 0 | - | 4.47 | 66,795 |
| Which City in California? | 0 | - | 4.56 | 31,882 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,362 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,822 |
| Europe Capital to Country | 0 | - | 4.99 | 247,905 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,461 |
| European Capitals by Map | 0 | - | 4.99 | 136,287 |
| African Capitals by Map | 0 | - | 4.99 | 132,188 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,194 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,616 |
| European Coastal Capitals | 0 | - | 4.95 | 89,762 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,813 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,812 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,424 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,241 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,003 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,996 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,830 |
| Official Cities in the UK | 0 | - | 4.89 | 280,547 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,806 |
| Name a City - Asian Countries | 0 | - | 4.41 | 19,386 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,273 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,884 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,671 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,410 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,126 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,782 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,707 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,455 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,765 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,193 |
| Which City in Asia? | 0 | - | 4.51 | 51,112 |
| Which City in Canada? | 0 | - | 4.82 | 56,657 |
| Which City in Texas? | 0 | - | 4.45 | 24,971 |
| Which City in Florida? | 0 | - | 4.61 | 10,924 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,361 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,203 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 144,946 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,393 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,762 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 25,799 |
| World Capitals Quiz | 0 | - | 5.00 | 5,031,471 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,401 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,190 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,274 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,253 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,053 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,677,708 |
| Random European City to Country | 0 | - | 4.69 | 116,318 |
| European Cities with the Biggest Economies | 0 | - | 4.62 | 38,185 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,571,116 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,456 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,153 |
| Word Scramble - European Capitals | 0 | - | 4.72 | 93,769 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,073 |
| Random European Capital to Country | 0 | - | 4.98 | 189,216 |
| Random European Country to Capital | 0 | - | 4.92 | 147,455 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,402 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,420 |
| Random African Capital to Country | 0 | - | 4.97 | 99,740 |
| Random African Country to Capital | 0 | - | 4.94 | 70,234 |
| Melbourne Suburbs | 0 | - | 4.84 | 51,789 |
| Asian Cities by Clue | 0 | - | 4.70 | 25,714 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 88,972 |
| European Capitals by Airport Code | 0 | - | 4.92 | 35,428 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 64,814 |
| Southeast Asian Cities by Map | 0 | - | 4.63 | 26,587 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,961 |
| Random U.S. City to State | 0 | - | 4.45 | 75,323 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,016 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,204 |
| World Capitals Closest to Jerusalem | 0 | - | 4.47 | 44,816 |
| World Capitals by Proximity | 0 | - | 4.91 | 328,413 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,032 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.62 | 15,817 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,544 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,889 |
| European Cities by Clue | 0 | - | 4.70 | 88,803 |
| Hindu Countries | 0 | - | 4.86 | 49,581 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 141,392 |
| Countries that Beat China | 0 | - | 4.86 | 114,717 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 55,187 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,440,517 |
| Asia Map Quiz | 0 | - | 4.99 | 907,057 |
| Topological Map of Asia Quiz | 0 | - | 4.81 | 19,886 |
| Global Cities on a World Map | 0 | - | 4.93 | 134,766 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,603 |
| Find the City #1 | 0 | - | 4.97 | 42,110 |
| Northernmost Capital Cities | 0 | - | 4.98 | 108,954 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,655 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,607 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 107,630 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,451 |
| Countries by Capital City | 0 | - | 5.00 | 66,657 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,336 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 113,907 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,411 |
| Moved Capital Cities | 0 | - | 4.96 | 73,590 |
| Random Capital to Country | 0 | - | 4.99 | 2,578,002 |
| Random Country to Capital | 0 | - | 4.98 | 911,632 |
| Asian Capital Superlatives - Top 2 | 0 | - | 4.37 | 27,970 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,363 |
| Which City in Africa? | 0 | - | 4.78 | 57,567 |
| Hong Kong A-Z | 0 | - | 4.55 | 14,703 |
| Countries with the Most Hindus | 0 | - | 4.90 | 122,356 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 74,683 |
| Countries that Beat Egypt | 0 | - | 4.88 | 56,599 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,375,940 |
| Flags of Asia Quiz | 0 | - | 4.99 | 605,607 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,118 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,089 |
| North American Sports Cities | 0 | - | 4.83 | 170,909 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,918 |
| Cities in European History #1 | 0 | - | 4.63 | 133,130 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,316 |
| European Cities by Map #2 | 0 | - | 4.48 | 47,196 |
| European Cities by Map #1 | 0 | - | 4.64 | 55,566 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,150 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,015 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,201 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 213,136 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 129,691 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,736 |
| Cities in Squares on a Map - Europe | 0 | - | 4.74 | 53,186 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,344 |
| Random Cities Near Paris on a Map | 0 | - | 4.55 | 39,311 |
| Tokyo City Trivia | 0 | - | 4.58 | 18,099 |
| Name a Valid World City | 0 | - | 4.83 | 70,133 |
| Cities by Former Name | 0 | - | 4.84 | 90,975 |
| Former Capitals | 0 | - | 4.88 | 71,146 |
| India State Capitals Quiz | 0 | - | 4.27 | 59,370 |
| Capitals in their Native Languages | 0 | - | 4.95 | 132,692 |
| Nearest Capital City #1 | 0 | - | 4.84 | 57,245 |
| Capital Cities Chain | 0 | - | 4.84 | 81,920 |
| Coldest World Capitals | 0 | - | 4.95 | 133,045 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 67,953 |
| World Capitals by Map | 0 | - | 5.00 | 283,214 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,674 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 76,801 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 200,235 |
| All First Level Subdivision Capitals | 0 | - | 4.84 | 14,978 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,001 |
| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 64,920 |
| Capitals Starting With H | 0 | - | 4.90 | 90,993 |
| Capitals Starting With K | 0 | - | 4.85 | 75,694 |
| Capitals Starting With L | 0 | - | 4.81 | 86,844 |
| Capitals Starting With M | 0 | - | 4.93 | 106,070 |
| Capitals Starting With P | 0 | - | 4.88 | 77,197 |
| Capitals Starting With R | 0 | - | 4.87 | 80,979 |
| Capitals Starting With S | 0 | - | 4.89 | 84,810 |
| Capitals Starting With T | 0 | - | 4.84 | 75,300 |
| Capitals Starting With W | 0 | - | 4.89 | 90,614 |
| Capitals Starting With A | 0 | - | 4.97 | 126,561 |
| Capitals Starting With B | 0 | - | 4.89 | 117,301 |
| Capitals Starting With D | 0 | - | 4.93 | 95,389 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.62 | 34,588 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,033 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,337 |
| US States and State Capitals | 0 | - | 4.99 | 158,545 |
| Which City in Latin America? | 0 | - | 4.63 | 46,842 |
| Hong Kong Facts | 0 | - | 4.48 | 29,178 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 103,862 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,828 |
| Countries of the Middle East | 0 | - | 4.96 | 198,931 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,708 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,494 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,767 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,420 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,252 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,475 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,345 |
| Category Elimination - U.S. States #1 | 0 | - | 4.87 | 218,558 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 132,514 |
