| European Cities A-Z by Clue #1 | 0 | - | 4.26 | 79,297 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,232 |
| Which City in California? | 0 | - | 4.56 | 32,136 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,624 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,641 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,342 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,315 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,458 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,696,458 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,734 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,445 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,761 |
| Name a City - European Countries | 0 | - | 4.90 | 65,970 |
| Africa Capitals Quiz | 0 | - | 4.99 | 742,272 |
| Asia Capitals Quiz | 0 | - | 4.98 | 697,409 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,162 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,290 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,247 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,503 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,253 |
| Which City in Europe? | 0 | - | 4.83 | 107,771 |
| Which City in Texas? | 0 | - | 4.45 | 25,146 |
| Which City in Florida? | 0 | - | 4.61 | 11,019 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,267 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,824 |
| Random U.S. City to State | 0 | - | 4.45 | 76,767 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,398 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 44,024 |
| Europe Capital to Country | 0 | - | 4.99 | 251,645 |
| Asia Capital to Country | 0 | - | 4.96 | 127,229 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,689 |
| European Capitals by Map | 0 | - | 4.99 | 141,511 |
| African Capitals by Map | 0 | - | 4.99 | 141,576 |
| South America Capitals Quiz | 0 | - | 5.00 | 484,017 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,650 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,672 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,011 |
| European Coastal Capitals | 0 | - | 4.95 | 91,122 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,089 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 271,884 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,366 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,067 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 149,912 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,648 |
| Which City in Canada? | 0 | - | 4.83 | 57,277 |
| Official Cities in the UK | 0 | - | 4.89 | 285,547 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,843 |
| North America Capitals Quiz | 0 | - | 4.99 | 221,583 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,029 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,431 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,885 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,273 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,477 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,803 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,596 |
| US States and State Capitals | 0 | - | 4.99 | 164,662 |
| Cities by Wikipedia Descriptions #2 | 0 | - | 4.53 | 39,112 |
| U.S. Cities by Wikipedia Descriptions | 0 | - | 4.48 | 34,263 |
| Random U.S. States on a Map | 0 | - | 4.96 | 629,240 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 222,059 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 135,304 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,665 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,739 |
| Random European City to Country | 0 | - | 4.69 | 118,269 |
| Random Asian City to Country | 0 | - | 4.56 | 44,590 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 150,512 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,876 |
| World Capitals Quiz | 0 | - | 5.00 | 5,097,052 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,468 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,835 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,377 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,662 |
| European Cities by Wikipedia Descriptions | 0 | - | 4.43 | 54,853 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 129,541 |
| Capitals of the Stans | 0 | - | 4.95 | 27,067 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,414 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 177,428 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,521 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,667 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 151,622 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,140 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,563 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,253 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,596,109 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,204 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,117 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,451 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,436 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,961 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,920 |
| Random European Capital to Country | 0 | - | 4.98 | 191,865 |
| Random European Country to Capital | 0 | - | 4.93 | 165,684 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,889 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,281 |
| Random African Capital to Country | 0 | - | 4.97 | 101,166 |
| Random African Country to Capital | 0 | - | 4.94 | 71,634 |
| Melbourne Suburbs | 0 | - | 4.86 | 54,017 |
| New York City A-Z | 0 | - | 4.18 | 32,362 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 90,806 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 143,287 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 509,155 |
| British Places A-Z | 0 | - | 4.29 | 80,045 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 65,017 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,902 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,019 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,608 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,922 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 34,541 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,943 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,828 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,010 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,955 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,836 |
| Countries by Capital City | 0 | - | 5.00 | 69,118 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,685 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,074 |
| World Capitals by Proximity | 0 | - | 4.91 | 333,197 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,646 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,999 |
| Moved Capital Cities | 0 | - | 4.96 | 74,546 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,753 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 114,254 |
| Word Scramble - U.S. State Capitals | 0 | - | 4.27 | 62,613 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,109 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,840 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,758 |
| Snowiest U.S. State Capitals | 0 | - | 4.44 | 28,660 |
| US State Capitals - One Minute Sprint | 0 | - | 4.05 | 184,602 |
| Hottest U.S. State Capitals | 0 | - | 4.77 | 29,282 |
| Coldest U.S. State Capitals | 0 | - | 4.63 | 23,927 |
| U.S. State Capitals with the Least Precipitation | 0 | - | 4.41 | 23,295 |
| European Cities by Clue | 0 | - | 4.70 | 89,142 |
| Asian Cities by Wikipedia Descriptions | 0 | - | 4.53 | 31,346 |
| Which City in the United States? | 0 | - | 4.21 | 57,138 |
| Which City in Africa? | 0 | - | 4.77 | 57,953 |
| Which City in Asia? | 0 | - | 4.52 | 51,525 |
| Boroughs of New York City | 0 | - | 4.47 | 84,868 |
| Washington D.C. Trivia | 0 | - | 4.45 | 39,101 |
| Hong Kong A-Z | 0 | - | 4.55 | 14,827 |
| Chicago A-Z | 0 | - | 4.25 | 15,544 |
| Flags of the Countries that Start with C | 0 | - | 4.88 | 130,533 |
| Flags of the Countries that Start with I | 0 | - | 4.94 | 154,440 |
| Flags of the Countries that Start with B | 0 | - | 4.97 | 43,366 |
| Flags of the Countries that Start with A | 0 | - | 4.94 | 127,744 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,628 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 191,457 |
| Random Sequential U.S. States on a Map | 0 | - | 4.99 | 235,054 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 210,202 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,095 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,300 |
| North American Sports Cities | 0 | - | 4.83 | 172,963 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,502 |
| Cities in European History #1 | 0 | - | 4.63 | 134,459 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,428 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,857 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,937 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,193 |
| Word Scramble - U.S. Cities | 0 | - | 4.13 | 19,920 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,497 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,811 |
| Cities in Squares on a Map - Europe | 0 | - | 4.69 | 54,348 |
| Random Cities Near Paris on a Map | 0 | - | 4.55 | 39,710 |
| Name a Valid World City | 0 | - | 4.84 | 71,777 |
| Cities by Former Name | 0 | - | 4.83 | 91,918 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,614 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,894 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,703 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,656 |
| World Capitals by Map | 0 | - | 5.00 | 288,699 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,695 |
| Random Capital to Country | 0 | - | 4.99 | 2,598,643 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 201,698 |
| Random Country to Capital | 0 | - | 4.98 | 925,732 |
| Capitals Starting With H | 0 | - | 4.91 | 93,014 |
| Capitals Starting With K | 0 | - | 4.88 | 84,067 |
| Capitals Starting With L | 0 | - | 4.81 | 91,568 |
| Capitals Starting With M | 0 | - | 4.93 | 108,592 |
| Capitals Starting With P | 0 | - | 4.88 | 78,667 |
| Capitals Starting With R | 0 | - | 4.88 | 82,220 |
| Capitals Starting With S | 0 | - | 4.90 | 86,246 |
| Capitals Starting With T | 0 | - | 4.85 | 76,554 |
| Capitals Starting With W | 0 | - | 4.87 | 91,549 |
| Capitals Starting With A | 0 | - | 4.97 | 128,687 |
| Capitals Starting With B | 0 | - | 4.89 | 119,093 |
| Capitals Starting With D | 0 | - | 4.93 | 96,894 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,186 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 37,060 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.64 | 34,036 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,431 |
| Which City in Germany? | 0 | - | 4.50 | 137,136 |
| Which City in Italy? | 0 | - | 4.68 | 90,453 |
| Which City in France? | 0 | - | 4.67 | 73,310 |
| Which City in the Middle East? | 0 | - | 4.47 | 67,255 |
| Which City in Spain? | 0 | - | 4.50 | 50,075 |
| Which City in Latin America? | 0 | - | 4.63 | 47,126 |
| Which City in Australia? | 0 | - | 4.67 | 34,528 |
| Los Angeles A-Z | 0 | - | 4.20 | 9,536 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,333,844 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,552,411 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 14,060 |
