| Former Countries by Territory Map | 0 | - | 4.96 | 103,157 |
| Empires by Maps | 0 | - | 4.98 | 121,015 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,364 |
| Name that Object #1 | 0 | - | 3.57 | 96,538 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 104,736 |
| Play-Doh People from History | 0 | - | 4.99 | 95,098 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,779 |
| All Country Flags of the World | 0 | - | 5.00 | 3,682,787 |
| Years in History by Picture | 0 | - | 4.44 | 35,626 |
| Famous Foreheads #1 | 0 | - | 4.47 | 75,118 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,540,477 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,094,509 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 734,543 |
| Old Movies by Picture | 0 | - | 4.51 | 25,156 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 47,143 |
| Name that Object #2 | 0 | - | 3.64 | 15,471 |
| Name that Object #3 | 0 | - | 3.93 | 14,425 |
| Animals by Skeleton Image | 0 | - | 4.81 | 46,685 |
| Make a Stained Glass Window | 0 | - | 5.00 | 68,714 |
| Flags with Crescents | 0 | - | 4.98 | 170,237 |
| Country Flag Trivia | 0 | - | 4.81 | 57,411 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,183 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,857 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,851 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,520 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,516 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 53,083 |
| Random Logos Quiz | 0 | - | 4.33 | 208,827 |
| Ultimate Car Logos Quiz | 0 | - | 4.81 | 181,971 |
| National Football Team Logos | 0 | - | 4.85 | 180,901 |
| Pictures by Letter - A | 0 | - | 4.18 | 33,519 |
| Pictures by Letter - J | 0 | - | 4.31 | 40,147 |
| Pictures by Letter - B | 0 | - | 4.32 | 44,092 |
| Pictures by Letter - D | 0 | - | 4.14 | 37,689 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,889 |
| Fruits by Picture | 0 | - | 4.19 | 808,088 |
| Geography by Picture - B | 0 | - | 4.42 | 55,682 |
| Geography by Picture - H | 0 | - | 4.50 | 58,285 |
| Geography by Picture - N | 0 | - | 4.45 | 42,258 |
| Geography by Picture - R | 0 | - | 4.56 | 41,079 |
| Geography by Picture - T | 0 | - | 4.54 | 57,907 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 115,623 |
| Flags to Languages | 0 | - | 4.95 | 173,949 |
| Pictures by Letter - E | 0 | - | 3.51 | 34,560 |
| Pictures by Letter - G | 0 | - | 4.14 | 28,263 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,652 |
| Pictures by Letter - F | 0 | - | 4.18 | 29,143 |
| Pictures by Letter - Z | 0 | - | 4.05 | 23,523 |
| Pictures by Letter - Y | 0 | - | 4.21 | 26,377 |
| Pictures by Letter - R | 0 | - | 4.05 | 24,845 |
| Pictures by Letter - K | 0 | - | 4.18 | 25,201 |
| Pictures by Letter - I | 0 | - | 4.16 | 30,467 |
| Pictures by Letter - N | 0 | - | 4.11 | 24,568 |
| Pictures by Letter - P | 0 | - | 4.05 | 26,126 |
| Pictures by Letter - U | 0 | - | 4.10 | 20,845 |
| Pictures by Letter - T | 0 | - | 4.34 | 27,762 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,724 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 338,218 |
| Car Logos Quiz #1 | 0 | - | 4.52 | 541,114 |
| Name that Bug | 0 | - | 4.12 | 45,590 |
| Islands by Shape #1 | 0 | - | 4.33 | 84,424 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 58,066 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,783 |
| Elements by Picture | 0 | - | 4.27 | 70,099 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,393 |
| Islands by Picture | 0 | - | 4.28 | 107,284 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,326 |
| Geography by Picture - A | 0 | - | 4.39 | 60,330 |
| Geography by Picture - D | 0 | - | 4.15 | 45,712 |
| Geography by Picture - F | 0 | - | 4.31 | 51,077 |
| Geography by Picture - G | 0 | - | 4.39 | 48,006 |
| Geography by Picture - J | 0 | - | 4.16 | 38,517 |
| Geography by Picture - K | 0 | - | 4.29 | 33,178 |
| Geography by Picture - C | 0 | - | 4.31 | 57,133 |
| Geography by Picture - L | 0 | - | 4.37 | 59,049 |
| Geography by Picture - M | 0 | - | 4.14 | 40,511 |
| Geography by Picture - P | 0 | - | 4.24 | 42,485 |
| Geography by Picture - S | 0 | - | 4.38 | 47,093 |
| Video Game Logos Quiz | 0 | - | 4.40 | 184,419 |
| Movie Logos | 0 | - | 4.33 | 239,222 |
| History by Picture - A | 0 | - | 4.26 | 45,957 |
| History by Picture - B | 0 | - | 4.40 | 49,135 |
| History by Picture - C | 0 | - | 4.36 | 54,655 |
| History by Picture - F | 0 | - | 4.35 | 38,011 |
| History by Picture - G | 0 | - | 4.40 | 42,263 |
| History by Picture - D | 0 | - | 4.29 | 44,452 |
| History by Picture - E | 0 | - | 4.25 | 44,064 |
| History by Picture - H | 0 | - | 4.37 | 36,909 |
| History by Picture - K | 0 | - | 4.35 | 33,462 |
| History by Picture - M | 0 | - | 4.17 | 36,240 |
| History by Picture - N | 0 | - | 4.40 | 41,376 |
| History by Picture - O | 0 | - | 4.39 | 36,412 |
| History by Picture - T | 0 | - | 4.20 | 33,404 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 84,350 |
| Animals by Close-up Image | 0 | - | 4.42 | 218,601 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,799 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,345 |
| Mammals by Picture #1 | 0 | - | 4.70 | 92,057 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,604 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 48,097 |
| International Footballers by Picture | 0 | - | 4.51 | 55,935 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 285,138 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 108,036 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.51 | 50,973 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 281,082 |
| Flag Maths | 0 | - | 4.64 | 57,793 |
| Satellite Images #1 | 0 | - | 4.47 | 129,495 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,412 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,996 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,019 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,049 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,183 |
| Cities by Picture #1 | 0 | - | 4.73 | 86,212 |
| Soccer Team Logos | 0 | - | 4.26 | 375,762 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 262,731 |
| Brand Logos That Start with A | 0 | - | 4.52 | 70,692 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 57,439 |
| Foods by Picture | 0 | - | 3.81 | 226,297 |
| Junk Foods by Picture | 0 | - | 3.69 | 96,508 |
| Christmas by Picture | 0 | - | 4.26 | 28,202 |
| Hats by Picture | 0 | - | 4.21 | 17,992 |
| Weapons by Picture | 0 | - | 4.13 | 21,107 |
| Cars by Picture | 0 | - | 3.89 | 41,626 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,324 |
| Plants by Picture | 0 | - | 4.24 | 14,482 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 104,143 |
| Women in History by Picture | 0 | - | 4.25 | 25,969 |
| Famous Foreheads #2 | 0 | - | 3.17 | 15,811 |
| Geography by Picture - E | 0 | - | 3.55 | 47,432 |
| Landforms by Picture | 0 | - | 4.31 | 20,703 |
| Geography by Picture - I | 0 | - | 4.00 | 39,471 |
| Geography by Picture - O | 0 | - | 4.01 | 28,180 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,877 |
| Pictures by Letter - H | 0 | - | 3.97 | 30,559 |
| Pictures by Letter - C | 0 | - | 4.00 | 30,301 |
| Pictures by Letter - O | 0 | - | 3.98 | 28,755 |
| Pictures by Letter - Q | 0 | - | 3.92 | 20,499 |
| Pictures by Letter - S | 0 | - | 3.82 | 21,021 |
| Pictures by Letter - W | 0 | - | 3.87 | 20,204 |
| Pictures by Letter - V | 0 | - | 4.00 | 18,050 |
| History by Picture - I | 0 | - | 4.24 | 26,327 |
| History by Picture - J | 0 | - | 4.18 | 26,821 |
| History by Picture - L | 0 | - | 4.18 | 30,874 |
| History by Picture - P | 0 | - | 4.08 | 25,366 |
| History by Picture - Q | 0 | - | 4.03 | 22,159 |
| History by Picture - R | 0 | - | 4.13 | 26,934 |
| History by Picture - S | 0 | - | 4.14 | 27,864 |
| History by Picture - U | 0 | - | 4.24 | 25,215 |
| History by Picture - V | 0 | - | 4.30 | 25,191 |
| History by Picture - W | 0 | - | 4.01 | 21,715 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 119,505 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,571 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 269,286 |
| Flowers by Picture | 0 | - | 4.46 | 105,736 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,843 |
| Authors by Picture | 0 | - | 4.48 | 25,568 |
| Fruit and Vegetable Emojis | 0 | - | 4.45 | 90,396 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 55,962 |
| Planets By Picture Quiz | 0 | - | 4.49 | 57,048 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 66,199 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 59,046 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,652 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,627 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,292 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,212 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,831 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,366 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 165,379 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,565 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,529 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 51,256 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 71,876 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.14 | 79,561 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 72,591 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 95,788 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 46,242 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 239,895 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 159,518 |
| Name that Historical Figure #6 | 0 | - | 4.26 | 93,631 |
| Musicians by Picture #1 | 0 | - | 4.37 | 109,302 |
| Musicians by Picture #2 | 0 | - | 4.29 | 76,826 |
| Musicians by Picture #4 | 0 | - | 4.07 | 65,202 |
| Musicians by Picture #3 | 0 | - | 4.10 | 59,217 |
| Emoji Flags | 0 | - | 4.35 | 44,165 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.68 | 38,015 |
| Languages by Combined Flags | 0 | - | 4.53 | 100,246 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,456 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 66,640 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,942 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,861 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 394,995 |
| Airline Logos | 0 | - | 4.45 | 141,045 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,429,325 |
| Fast Food Logos Quiz | 0 | - | 4.45 | 248,837 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 159,415 |
| Brand Logos That Start With M | 0 | - | 4.40 | 63,134 |
| Brand Logos That Start With S | 0 | - | 4.37 | 57,920 |
| Brand Logos That Start With B | 0 | - | 4.38 | 60,277 |
| Brand Logos That Start With D | 0 | - | 4.35 | 61,824 |
| Brand Logos That Start With L | 0 | - | 4.39 | 61,461 |
