| European Cities by Wikipedia Descriptions | 0 | - | 4.43 | 54,844 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,620 |
| Asia Capitals Quiz | 0 | - | 4.98 | 696,833 |
| Asia Capital to Country | 0 | - | 4.96 | 127,155 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,549 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,065 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,243 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,233 |
| Cities by Wikipedia Descriptions #2 | 0 | - | 4.53 | 39,110 |
| U.S. Cities by Wikipedia Descriptions | 0 | - | 4.48 | 34,255 |
| Which City in Australia? | 0 | - | 4.67 | 34,515 |
| Capitals of the Stans | 0 | - | 4.95 | 27,049 |
| European Cities A-Z by Clue #1 | 0 | - | 4.26 | 79,254 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,211 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,431 |
| Which City in Germany? | 0 | - | 4.50 | 137,077 |
| Which City in Italy? | 0 | - | 4.68 | 90,430 |
| Which City in France? | 0 | - | 4.67 | 73,293 |
| Which City in Spain? | 0 | - | 4.50 | 50,066 |
| Random Asian City to Country | 0 | - | 4.56 | 44,584 |
| Africa Capitals Quiz | 0 | - | 4.99 | 741,902 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,707 |
| U.S. Cities A-Z by Clue #1 | 0 | - | 4.36 | 39,894 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,175 |
| Name a City - European Countries | 0 | - | 4.90 | 65,926 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,108 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,107 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,207 |
| Which City in Europe? | 0 | - | 4.83 | 107,746 |
| Which City in the Middle East? | 0 | - | 4.47 | 67,242 |
| Which City in California? | 0 | - | 4.56 | 32,128 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,228 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,763 |
| Europe Capital to Country | 0 | - | 4.99 | 251,516 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,626 |
| European Capitals by Map | 0 | - | 4.99 | 141,324 |
| African Capitals by Map | 0 | - | 4.99 | 141,283 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,612 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,966 |
| European Coastal Capitals | 0 | - | 4.95 | 91,069 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 271,694 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,219 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,047 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,889 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,680 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,652 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,724 |
| Official Cities in the UK | 0 | - | 4.89 | 285,400 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,931 |
| South America Capitals Quiz | 0 | - | 5.00 | 483,798 |
| North America Capitals Quiz | 0 | - | 4.99 | 221,413 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,953 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,383 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,795 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,993 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,456 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,755 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,560 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,562 |
| Which City in Asia? | 0 | - | 4.52 | 51,507 |
| Which City in Canada? | 0 | - | 4.83 | 57,257 |
| Which City in Texas? | 0 | - | 4.45 | 25,141 |
| Which City in Florida? | 0 | - | 4.61 | 11,017 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,845 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,685 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 150,288 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,571 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,297 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,842 |
| World Capitals Quiz | 0 | - | 5.00 | 5,094,662 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,436 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,427 |
| Asian Countries with the Most Christians | 0 | - | 4.86 | 97,728 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 136,425 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,502 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,695,829 |
| Random European City to Country | 0 | - | 4.69 | 118,244 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,553 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,595,247 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,089 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,439 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,420 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,943 |
| Random European Capital to Country | 0 | - | 4.98 | 191,806 |
| Random European Country to Capital | 0 | - | 4.93 | 165,653 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,867 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,250 |
| Random African Capital to Country | 0 | - | 4.97 | 101,140 |
| Random African Country to Capital | 0 | - | 4.94 | 71,590 |
| Melbourne Suburbs | 0 | - | 4.86 | 53,946 |
| Asian Cities by Clue | 0 | - | 4.70 | 25,821 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 90,743 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 65,014 |
| Southeast Asian Cities by Map | 0 | - | 4.63 | 26,776 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,713 |
| Random U.S. City to State | 0 | - | 4.45 | 76,741 |
| Name a City - Asian Countries | 0 | - | 4.36 | 19,627 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,387 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,994 |
| World Capitals Closest to Jerusalem | 0 | - | 4.47 | 45,024 |
| World Capitals by Proximity | 0 | - | 4.91 | 333,021 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,240 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.64 | 16,155 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,473 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,248 |
| European Cities by Clue | 0 | - | 4.70 | 89,130 |
| Hindu Countries | 0 | - | 4.87 | 50,432 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 143,208 |
| Countries that Beat China | 0 | - | 4.85 | 116,466 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 56,310 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,450,945 |
| Asia Map Quiz | 0 | - | 4.99 | 922,664 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,950 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,840 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,882 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,780 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,968 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,901 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,756 |
| Countries by Capital City | 0 | - | 5.00 | 69,040 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,622 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,035 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,616 |
| Moved Capital Cities | 0 | - | 4.96 | 74,514 |
| Random Capital to Country | 0 | - | 4.99 | 2,597,926 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,735 |
| Random Country to Capital | 0 | - | 4.98 | 925,254 |
| Asian Capital Superlatives - Top 2 | 0 | - | 4.37 | 28,160 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 148,144 |
| Which City in Africa? | 0 | - | 4.77 | 57,938 |
| Hong Kong A-Z | 0 | - | 4.55 | 14,822 |
| Countries with the Most Hindus | 0 | - | 4.90 | 123,377 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 75,385 |
| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 51,053 |
| Countries that Beat Egypt | 0 | - | 4.90 | 66,181 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,386,066 |
| Flags of Asia Quiz | 0 | - | 4.99 | 617,910 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,263 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,273 |
| North American Sports Cities | 0 | - | 4.83 | 172,916 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,482 |
| Cities in European History #1 | 0 | - | 4.63 | 134,423 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,696 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,419 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,845 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,651 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,185 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,689 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,013 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,468 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,769 |
| Cities in Squares on a Map - Europe | 0 | - | 4.69 | 54,317 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,402 |
| Random Cities Near Paris on a Map | 0 | - | 4.55 | 39,701 |
| Tokyo City Trivia | 0 | - | 4.58 | 18,243 |
| Name a Valid World City | 0 | - | 4.84 | 71,712 |
| Cities by Former Name | 0 | - | 4.83 | 91,884 |
| Former Capitals | 0 | - | 4.88 | 71,597 |
| India State Capitals Quiz | 0 | - | 4.28 | 59,859 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,590 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,867 |
| Capital Cities Chain | 0 | - | 4.84 | 83,166 |
| Coldest World Capitals | 0 | - | 4.95 | 134,053 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,605 |
| World Capitals by Map | 0 | - | 5.00 | 288,502 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,659 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,944 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 201,659 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,332 |
| Capitals Starting With H | 0 | - | 4.91 | 92,894 |
| Capitals Starting With K | 0 | - | 4.88 | 83,953 |
| Capitals Starting With L | 0 | - | 4.81 | 88,406 |
| Capitals Starting With M | 0 | - | 4.93 | 108,372 |
| Capitals Starting With P | 0 | - | 4.88 | 78,520 |
| Capitals Starting With R | 0 | - | 4.88 | 82,117 |
| Capitals Starting With S | 0 | - | 4.90 | 86,113 |
| Capitals Starting With T | 0 | - | 4.85 | 76,449 |
| Capitals Starting With W | 0 | - | 4.87 | 91,480 |
| Capitals Starting With A | 0 | - | 4.97 | 128,532 |
| Capitals Starting With B | 0 | - | 4.89 | 118,925 |
| Capitals Starting With D | 0 | - | 4.93 | 96,799 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,824 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,346 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,652 |
| US States and State Capitals | 0 | - | 4.99 | 164,511 |
| Which City in Latin America? | 0 | - | 4.63 | 47,118 |
| Hong Kong Facts | 0 | - | 4.49 | 29,319 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,466 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,333,257 |
| Countries of the Middle East | 0 | - | 4.96 | 202,198 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,531 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,067 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,317 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,681 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,954 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,658 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,592 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 221,964 |
| Category Elimination - U.S. States #2 | 0 | - | 4.83 | 135,218 |
| Single Vowel Capitals | 0 | - | 4.82 | 14,646 |
