| Word Scramble - U.S. States | 0 | - | 4.95 | 508,612 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,373 |
| US States and State Capitals | 0 | - | 4.99 | 164,174 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,461 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,211 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,076 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,466 |
| Which City in Canada? | 0 | - | 4.83 | 57,224 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,694,913 |
| Africa Capitals Quiz | 0 | - | 4.99 | 741,286 |
| Asia Capitals Quiz | 0 | - | 4.98 | 696,292 |
| Random European Capital to Country | 0 | - | 4.98 | 191,720 |
| Random European Country to Capital | 0 | - | 4.93 | 165,582 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,835 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,193 |
| Random African Capital to Country | 0 | - | 4.97 | 101,079 |
| Random African Country to Capital | 0 | - | 4.94 | 71,545 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,619 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,096 |
| Name a City - European Countries | 0 | - | 4.90 | 65,853 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,080 |
| Random Asian Capitals on a Map | 0 | - | 4.82 | 51,196 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,136 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,420 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,229 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,143 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,660 |
| Europe Capital to Country | 0 | - | 4.99 | 251,350 |
| Asia Capital to Country | 0 | - | 4.96 | 127,075 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,504 |
| European Capitals by Map | 0 | - | 4.99 | 141,041 |
| African Capitals by Map | 0 | - | 4.99 | 140,594 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,416 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,535 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,891 |
| European Coastal Capitals | 0 | - | 4.95 | 91,003 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,014 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 271,444 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,014 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,007 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 145,108 |
| Official Cities in the UK | 0 | - | 4.89 | 285,128 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 65,005 |
| South America Capitals Quiz | 0 | - | 5.00 | 483,439 |
| North America Capitals Quiz | 0 | - | 4.99 | 221,097 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,897 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,330 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,707 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,183 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,400 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,714 |
| Europe Capitals Mystery Route | 0 | - | 4.97 | 55,392 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,517 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,566 |
| U.S. State Flags | 0 | - | 4.89 | 171,847 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,649 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,598 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 150,005 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,806 |
| World Capitals Quiz | 0 | - | 5.00 | 5,091,581 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,382 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,393 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.58 | 42,918 |
| Cities by Wikipedia Descriptions #2 | 0 | - | 4.53 | 39,100 |
| U.S. Cities by Wikipedia Descriptions | 0 | - | 4.48 | 34,244 |
| Smaller U.S. Cities You May Know #1 | 0 | - | 4.45 | 19,743 |
| Las Vegas City Trivia | 0 | - | 4.52 | 13,789 |
| U.S. States Closest to Tokyo | 0 | - | 4.89 | 60,955 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 89,391 |
| Capitals of the Stans | 0 | - | 4.95 | 27,024 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,593,946 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,980 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,679 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,899 |
| Word Scramble - U.S. State Capitals | 0 | - | 4.27 | 62,576 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,617 |
| U.S. State Capitals in the Answer | 0 | - | 4.77 | 35,705 |
| Melbourne Suburbs | 0 | - | 4.86 | 53,850 |
| Which City in the United States? | 0 | - | 4.21 | 57,103 |
| Rust Belt Cities Map Quiz | 0 | - | 4.57 | 35,202 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.82 | 56,127 |
| Random General Knowledge - U.S. States | 0 | - | 4.46 | 42,097 |
| California... or Florida? | 0 | - | 4.60 | 51,712 |
| European Capitals by Airport Code | 0 | - | 4.93 | 36,555 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,135 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 176,935 |
| U.S. City Nicknames | 0 | - | 4.25 | 103,789 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,480 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 151,527 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,861 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,105 |
| Random U.S. City to State | 0 | - | 4.45 | 76,676 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,220 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,369 |
| Every City in Michigan on a Map | 0 | - | 4.44 | 9,565 |
| Ultimate Rust Belt City Quiz | 0 | - | 4.63 | 14,686 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,959 |
| World Capitals by Proximity | 0 | - | 4.90 | 332,728 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,088 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,374 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,849 |
| Which City in Europe? | 0 | - | 4.83 | 107,704 |
| Random Point on Land to US State | 0 | - | 4.63 | 69,573 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 115,056 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,859 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,845 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,596 |
| Find the City #1 | 0 | - | 4.97 | 43,144 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,801 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,719 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,913 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,805 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,639 |
| Countries by Capital City | 0 | - | 5.00 | 68,929 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,553 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,978 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,564 |
| Moved Capital Cities | 0 | - | 4.96 | 74,469 |
| Random Capital to Country | 0 | - | 4.99 | 2,596,909 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,710 |
| Random Country to Capital | 0 | - | 4.98 | 924,547 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 114,211 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,096 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,830 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,742 |
| Which City in California? | 0 | - | 4.56 | 32,111 |
| Boroughs of New York City | 0 | - | 4.47 | 84,827 |
| Seattle City Trivia | 0 | - | 4.21 | 26,498 |
| Washington D.C. Trivia | 0 | - | 4.45 | 39,084 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 209,784 |
| Win the U.S. Presidential Election | 0 | - | 4.78 | 631,715 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,007 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,207 |
| North American Sports Cities | 0 | - | 4.83 | 172,838 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,459 |
| Cities in European History #1 | 0 | - | 4.63 | 134,368 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,408 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,833 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,925 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,178 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,480 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,728 |
| Cities in Squares on a Map - Europe | 0 | - | 4.69 | 54,268 |
| Name a Valid World City | 0 | - | 4.83 | 71,633 |
| Cities by Former Name | 0 | - | 4.83 | 91,842 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,561 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,845 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,641 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,556 |
| World Capitals by Map | 0 | - | 5.00 | 288,250 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,628 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 201,597 |
| All First Level Subdivision Capitals | 0 | - | 4.82 | 15,212 |
| World Capitals Mystery Route | 0 | - | 4.98 | 55,779 |
| Capitals Starting With H | 0 | - | 4.91 | 92,857 |
| Capitals Starting With K | 0 | - | 4.88 | 83,904 |
| Capitals Starting With L | 0 | - | 4.81 | 88,377 |
| Capitals Starting With M | 0 | - | 4.93 | 108,308 |
| Capitals Starting With P | 0 | - | 4.88 | 78,492 |
| Capitals Starting With R | 0 | - | 4.87 | 82,093 |
| Capitals Starting With S | 0 | - | 4.90 | 86,082 |
| Capitals Starting With T | 0 | - | 4.85 | 76,423 |
| Capitals Starting With W | 0 | - | 4.87 | 91,466 |
| Capitals Starting With A | 0 | - | 4.97 | 128,462 |
| Capitals Starting With B | 0 | - | 4.89 | 118,880 |
| Capitals Starting With D | 0 | - | 4.93 | 96,762 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,137 |
| US State Capitals - One Minute Sprint | 0 | - | 4.05 | 184,490 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,421 |
| 20 Chinese Cities Everyone Should Know | 0 | - | 4.80 | 39,681 |
| Which City in Latin America? | 0 | - | 4.63 | 47,107 |
| Which City in Australia? | 0 | - | 4.67 | 34,487 |
| New York City A-Z | 0 | - | 4.18 | 32,349 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,468 |
| Hawaiian Islands | 0 | - | 4.83 | 42,826 |
| U.S. States that Border Canada | 0 | - | 4.91 | 185,952 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,436 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,548,809 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 221,766 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 134,887 |
| Single Vowel Capitals | 0 | - | 4.82 | 14,627 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,063 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,771 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,570 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,206 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,577 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,689 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,332 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,166 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,667 |
| Westernmost Cities in the U.S. | 0 | - | 4.37 | 16,479 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,623 |
| North America Cities by Map | 0 | - | 4.41 | 47,885 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,606 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 215,866 |
| ALL California Cities | 0 | - | 4.37 | 43,163 |
| Random European City to Country | 0 | - | 4.69 | 118,197 |
| Random Asian City to Country | 0 | - | 4.56 | 44,579 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,412 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,087 |
