| European Cities by Wikipedia Descriptions | 0 | - | 4.45 | 54,618 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 93,725 |
| Asia Capitals Quiz | 0 | - | 4.98 | 687,236 |
| Asia Capital to Country | 0 | - | 4.96 | 125,922 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,430 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,255 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,707 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,306 |
| Cities by Wikipedia Descriptions #2 | 0 | - | 4.53 | 38,932 |
| U.S. Cities by Wikipedia Descriptions | 0 | - | 4.48 | 34,081 |
| Which City in Australia? | 0 | - | 4.67 | 34,289 |
| Capitals of the Stans | 0 | - | 4.95 | 26,501 |
| Name a Valid European Capital | 0 | - | 4.95 | 151,230 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,774 |
| Which City in Germany? | 0 | - | 4.50 | 135,552 |
| Which City in Italy? | 0 | - | 4.64 | 88,887 |
| Which City in France? | 0 | - | 4.64 | 72,742 |
| Which City in Spain? | 0 | - | 4.50 | 49,724 |
| Random Asian City to Country | 0 | - | 4.56 | 44,413 |
| Africa Capitals Quiz | 0 | - | 4.99 | 731,732 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,266 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,208 |
| Name a City - European Countries | 0 | - | 4.92 | 64,626 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,843 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,358 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,015 |
| Which City in Europe? | 0 | - | 4.83 | 106,866 |
| Which City in the Middle East? | 0 | - | 4.47 | 66,904 |
| Which City in California? | 0 | - | 4.56 | 31,932 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,531 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 74,116 |
| Europe Capital to Country | 0 | - | 4.99 | 248,319 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,760 |
| European Capitals by Map | 0 | - | 4.99 | 136,931 |
| African Capitals by Map | 0 | - | 4.99 | 132,435 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,401 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,777 |
| European Coastal Capitals | 0 | - | 4.95 | 89,926 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 267,507 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 222,260 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,485 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,325 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,236 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,112 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,902 |
| Official Cities in the UK | 0 | - | 4.89 | 281,138 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,820 |
| Name a City - Asian Countries | 0 | - | 4.38 | 19,421 |
| South America Capitals Quiz | 0 | - | 5.00 | 478,006 |
| North America Capitals Quiz | 0 | - | 4.99 | 217,453 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,789 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,553 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,322 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,809 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,796 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,667 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,876 |
| Random State Capital to U.S. State | 0 | - | 4.83 | 88,381 |
| Which City in Asia? | 0 | - | 4.52 | 51,205 |
| Which City in Canada? | 0 | - | 4.82 | 56,778 |
| Which City in Texas? | 0 | - | 4.45 | 24,996 |
| Which City in Florida? | 0 | - | 4.61 | 10,942 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,524 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,401 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 145,448 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,632 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,964 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 25,920 |
| World Capitals Quiz | 0 | - | 5.00 | 5,039,572 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,545 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,410 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,429 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,378 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,209 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,679,720 |
| Random European City to Country | 0 | - | 4.69 | 116,778 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,211 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,573,772 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,638 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,192 |
| Word Scramble - European Capitals | 0 | - | 4.72 | 93,844 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,179 |
| Random European Capital to Country | 0 | - | 4.98 | 189,452 |
| Random European Country to Capital | 0 | - | 4.92 | 147,644 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,498 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,575 |
| Random African Capital to Country | 0 | - | 4.97 | 99,825 |
| Random African Country to Capital | 0 | - | 4.94 | 70,329 |
| Melbourne Suburbs | 0 | - | 4.84 | 51,990 |
| Asian Cities by Clue | 0 | - | 4.70 | 25,724 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,157 |
| European Capitals by Airport Code | 0 | - | 4.92 | 35,599 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 64,838 |
| Southeast Asian Cities by Map | 0 | - | 4.63 | 26,613 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,176 |
| Random U.S. City to State | 0 | - | 4.45 | 75,469 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,051 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,298 |
| World Capitals Closest to Jerusalem | 0 | - | 4.47 | 44,842 |
| World Capitals by Proximity | 0 | - | 4.91 | 328,943 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,051 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.62 | 15,844 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,661 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,931 |
| European Cities by Clue | 0 | - | 4.70 | 88,855 |
| Hindu Countries | 0 | - | 4.86 | 49,670 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 141,573 |
| Countries that Beat China | 0 | - | 4.86 | 114,906 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 55,315 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,442,220 |
| Asia Map Quiz | 0 | - | 4.99 | 908,432 |
| Topological Map of Asia Quiz | 0 | - | 4.81 | 19,934 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,059 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,631 |
| Find the City #1 | 0 | - | 4.97 | 42,270 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,254 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,858 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,814 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 107,982 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,790 |
| Countries by Capital City | 0 | - | 5.00 | 67,026 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,519 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 114,045 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,526 |
| Moved Capital Cities | 0 | - | 4.96 | 73,717 |
| Random Capital to Country | 0 | - | 4.99 | 2,580,360 |
| Random Country to Capital | 0 | - | 4.98 | 913,030 |
| Asian Capital Superlatives - Top 2 | 0 | - | 4.37 | 27,992 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,817 |
| Which City in Africa? | 0 | - | 4.78 | 57,645 |
| Hong Kong A-Z | 0 | - | 4.55 | 14,713 |
| Countries with the Most Hindus | 0 | - | 4.90 | 122,473 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 74,749 |
| Countries that Beat Egypt | 0 | - | 4.88 | 56,671 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,377,360 |
| Flags of Asia Quiz | 0 | - | 4.99 | 606,908 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,246 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,523 |
| North American Sports Cities | 0 | - | 4.83 | 171,083 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,969 |
| Cities in European History #1 | 0 | - | 4.63 | 133,328 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,357 |
| European Cities by Map #2 | 0 | - | 4.47 | 47,228 |
| European Cities by Map #1 | 0 | - | 4.64 | 55,596 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,206 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,036 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,337 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 213,429 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 129,847 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,873 |
| Cities in Squares on a Map - Europe | 0 | - | 4.73 | 53,297 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,419 |
| Random Cities Near Paris on a Map | 0 | - | 4.55 | 39,350 |
| Tokyo City Trivia | 0 | - | 4.58 | 18,130 |
| Name a Valid World City | 0 | - | 4.83 | 70,308 |
| Cities by Former Name | 0 | - | 4.84 | 91,091 |
| Former Capitals | 0 | - | 4.88 | 71,206 |
| India State Capitals Quiz | 0 | - | 4.27 | 59,412 |
| Capitals in their Native Languages | 0 | - | 4.95 | 132,782 |
| Nearest Capital City #1 | 0 | - | 4.84 | 57,329 |
| Capital Cities Chain | 0 | - | 4.84 | 82,052 |
| Coldest World Capitals | 0 | - | 4.95 | 133,120 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 68,188 |
| World Capitals by Map | 0 | - | 5.00 | 284,008 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,795 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 76,939 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 200,372 |
| All First Level Subdivision Capitals | 0 | - | 4.85 | 15,003 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,137 |
| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 65,333 |
| Capitals Starting With H | 0 | - | 4.90 | 91,492 |
| Capitals Starting With K | 0 | - | 4.85 | 75,815 |
| Capitals Starting With L | 0 | - | 4.81 | 86,979 |
| Capitals Starting With M | 0 | - | 4.93 | 106,315 |
| Capitals Starting With P | 0 | - | 4.88 | 77,309 |
| Capitals Starting With R | 0 | - | 4.87 | 81,084 |
| Capitals Starting With S | 0 | - | 4.89 | 84,941 |
| Capitals Starting With T | 0 | - | 4.84 | 75,410 |
| Capitals Starting With W | 0 | - | 4.89 | 90,728 |
| Capitals Starting With A | 0 | - | 4.97 | 126,722 |
| Capitals Starting With B | 0 | - | 4.89 | 117,439 |
| Capitals Starting With D | 0 | - | 4.93 | 95,528 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.62 | 34,607 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,061 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,382 |
| US States and State Capitals | 0 | - | 4.99 | 159,117 |
| Which City in Latin America? | 0 | - | 4.63 | 46,890 |
| Hong Kong Facts | 0 | - | 4.48 | 29,196 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 103,921 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,321,365 |
| Countries of the Middle East | 0 | - | 4.96 | 199,289 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,961 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,658 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,943 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,540 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,401 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,689 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,463 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 218,884 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 132,787 |
