| Which City in Europe? | 0 | - | 4.83 | 107,015 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 93,912 |
| Which City in Canada? | 0 | - | 4.82 | 56,866 |
| Cities by Wikipedia Descriptions #2 | 0 | - | 4.53 | 38,972 |
| U.S. Cities by Wikipedia Descriptions | 0 | - | 4.48 | 34,114 |
| European Cities by Clue | 0 | - | 4.70 | 88,952 |
| Which City in Africa? | 0 | - | 4.77 | 57,710 |
| Which City in Asia? | 0 | - | 4.52 | 51,258 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 34,319 |
| Random State Capital to U.S. State | 0 | - | 4.83 | 88,631 |
| Smaller U.S. Cities You May Know #1 | 0 | - | 4.45 | 19,665 |
| Which City in the Middle East? | 0 | - | 4.47 | 66,984 |
| Which City in Latin America? | 0 | - | 4.63 | 46,936 |
| Which City in Australia? | 0 | - | 4.67 | 34,335 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,068 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,258 |
| Name a Valid European Capital | 0 | - | 4.95 | 151,679 |
| Asian Cities by Clue | 0 | - | 4.70 | 25,752 |
| European Cities by Wikipedia Descriptions | 0 | - | 4.45 | 54,665 |
| Which City in Germany? | 0 | - | 4.50 | 135,836 |
| Which City in the United States? | 0 | - | 4.21 | 56,849 |
| Which City in Italy? | 0 | - | 4.64 | 89,742 |
| Which City in France? | 0 | - | 4.64 | 72,864 |
| Which City in Spain? | 0 | - | 4.50 | 49,810 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,683,282 |
| Africa Capitals Quiz | 0 | - | 4.99 | 733,833 |
| Asia Capitals Quiz | 0 | - | 4.98 | 689,230 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,645 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,459 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,426 |
| Name a City - European Countries | 0 | - | 4.91 | 64,897 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,510 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,806 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,260 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,840 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,996 |
| Which City in California? | 0 | - | 4.56 | 31,972 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.81 | 55,774 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,124 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 74,487 |
| Europe Capital to Country | 0 | - | 4.99 | 248,965 |
| Asia Capital to Country | 0 | - | 4.96 | 126,196 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,180 |
| European Capitals by Map | 0 | - | 4.99 | 137,813 |
| African Capitals by Map | 0 | - | 4.99 | 132,894 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,750 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,631 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,005 |
| European Coastal Capitals | 0 | - | 4.95 | 90,148 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,366 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 268,309 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 222,928 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,599 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,116 |
| Asian Cities by Wikipedia Descriptions | 0 | - | 4.57 | 31,223 |
| Official Cities in the UK | 0 | - | 4.89 | 282,223 |
| Random U.S. City to State | 0 | - | 4.45 | 75,779 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,115 |
| South America Capitals Quiz | 0 | - | 5.00 | 479,311 |
| North America Capitals Quiz | 0 | - | 4.99 | 218,310 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 62,010 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,716 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,658 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,528 |
| European Capitals Furthest from the Sea | 0 | - | 4.91 | 81,936 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,846 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,010 |
| Which City in Texas? | 0 | - | 4.45 | 25,034 |
| Which City in Florida? | 0 | - | 4.61 | 10,956 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,676 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 146,206 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,114 |
| World Capitals Quiz | 0 | - | 5.00 | 5,051,602 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,746 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,924 |
| US States and State Capitals | 0 | - | 4.99 | 160,311 |
| Capitals of the Stans | 0 | - | 4.95 | 26,610 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,153 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,517 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,324 |
| 1M Cities by Proximity - United States | 0 | - | 4.56 | 150,136 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,773 |
| Random European City to Country | 0 | - | 4.69 | 117,072 |
| Random Asian City to Country | 0 | - | 4.56 | 44,436 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 32,947 |
| Cities that End in G by Clue | 0 | - | 4.60 | 21,445 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,578,252 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,934 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,365 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 93,966 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,344 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,453 |
| Random European Capital to Country | 0 | - | 4.98 | 190,006 |
| Random European Country to Capital | 0 | - | 4.92 | 155,107 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,786 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,887 |
| Random African Capital to Country | 0 | - | 4.97 | 100,111 |
| Random African Country to Capital | 0 | - | 4.94 | 70,644 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,433 |
| Melbourne Suburbs | 0 | - | 4.84 | 52,382 |
| Cities that End in T by Clue | 0 | - | 4.70 | 17,186 |
| New York City A-Z | 0 | - | 4.18 | 32,240 |
| European Capitals by Airport Code | 0 | - | 4.93 | 35,836 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,050 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 173,940 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 64,885 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,088 |
| Cities that End in D by Clue | 0 | - | 4.49 | 26,763 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,458 |
| World Capitals by Proximity | 0 | - | 4.91 | 329,780 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,913 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.58 | 42,733 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 504,172 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,651 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,494 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,503 |
| Name a City - U.S. States | 0 | - | 4.41 | 26,622 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,681 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,623 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,063 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,080 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,343 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,198 |
| Countries by Capital City | 0 | - | 5.00 | 67,509 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,766 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,265 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,720 |
| Moved Capital Cities | 0 | - | 4.96 | 73,897 |
| Random Capital to Country | 0 | - | 4.99 | 2,584,521 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,167 |
| Random Country to Capital | 0 | - | 4.98 | 915,206 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,718 |
| Word Scramble - U.S. State Capitals | 0 | - | 4.27 | 62,329 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,972 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,713 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,603 |
| US State Capitals - One Minute Sprint | 0 | - | 4.06 | 183,269 |
| Boroughs of New York City | 0 | - | 4.47 | 84,339 |
| Washington D.C. Trivia | 0 | - | 4.45 | 38,934 |
| World Map with Random Merged Countries | 0 | - | 4.99 | 1,712,070 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 207,822 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,751 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,435 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,359 |
| North American Sports Cities | 0 | - | 4.83 | 171,407 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,047 |
| Cities in European History #1 | 0 | - | 4.63 | 133,564 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,441 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,266 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,647 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,842 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,075 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,562 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 213,986 |
| ALL California Cities | 0 | - | 4.37 | 42,940 |
| Word Scramble - U.S. Cities | 0 | - | 4.13 | 19,711 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,329 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 130,124 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,052 |
| Cities in Squares on a Map - Europe | 0 | - | 4.74 | 53,475 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,552 |
| Random Cities Near Paris on a Map | 0 | - | 4.55 | 39,415 |
| Name a Valid World City | 0 | - | 4.83 | 70,644 |
| Cities by Former Name | 0 | - | 4.84 | 91,283 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,426 |
| Former Capitals | 0 | - | 4.88 | 71,291 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,219 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,455 |
| Capital Cities Chain | 0 | - | 4.84 | 82,271 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,178 |
| Coldest World Capitals | 0 | - | 4.95 | 133,224 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 68,540 |
| World Capitals by Map | 0 | - | 5.00 | 284,865 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,992 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,155 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 200,608 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,410 |
| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 65,936 |
| Capitals Starting With H | 0 | - | 4.90 | 91,741 |
| Capitals Starting With K | 0 | - | 4.85 | 75,951 |
| Capitals Starting With L | 0 | - | 4.81 | 87,161 |
| Capitals Starting With M | 0 | - | 4.93 | 106,606 |
| Capitals Starting With P | 0 | - | 4.88 | 77,457 |
| Capitals Starting With R | 0 | - | 4.87 | 81,240 |
| Capitals Starting With S | 0 | - | 4.89 | 85,085 |
| Capitals Starting With T | 0 | - | 4.84 | 75,572 |
| Capitals Starting With W | 0 | - | 4.87 | 90,862 |
| Capitals Starting With A | 0 | - | 4.97 | 126,962 |
| Capitals Starting With B | 0 | - | 4.89 | 117,648 |
| Capitals Starting With D | 0 | - | 4.93 | 95,718 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,651 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,129 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,985 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 36,863 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,907 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,369 |
| Los Angeles A-Z | 0 | - | 4.20 | 9,493 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,323,648 |
| Random American Countries on a Map | 0 | - | 4.96 | 99,044 |
| Rust Belt Cities Map Quiz | 0 | - | 4.57 | 34,971 |
