| Former Countries by Territory Map | 0 | - | 4.96 | 102,784 |
| Empires by Maps | 0 | - | 4.98 | 120,436 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,265 |
| Name that Object #1 | 0 | - | 3.57 | 96,500 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 104,329 |
| Play-Doh People from History | 0 | - | 4.99 | 94,791 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,604 |
| All Country Flags of the World | 0 | - | 5.00 | 3,663,029 |
| Years in History by Picture | 0 | - | 4.44 | 35,516 |
| Famous Foreheads #1 | 0 | - | 4.47 | 74,915 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,537,076 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,092,861 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 733,396 |
| Old Movies by Picture | 0 | - | 4.51 | 25,097 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 47,033 |
| Name that Object #2 | 0 | - | 3.64 | 15,448 |
| Name that Object #3 | 0 | - | 3.93 | 14,404 |
| Animals by Skeleton Image | 0 | - | 4.81 | 46,485 |
| Make a Stained Glass Window | 0 | - | 5.00 | 68,509 |
| Flags with Crescents | 0 | - | 4.98 | 169,549 |
| Country Flag Trivia | 0 | - | 4.81 | 57,023 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,751 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,503 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,423 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,271 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,230 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,802 |
| Random Logos Quiz | 0 | - | 4.31 | 208,431 |
| National Football Team Logos | 0 | - | 4.85 | 180,376 |
| Pictures by Letter - A | 0 | - | 4.17 | 33,435 |
| Pictures by Letter - J | 0 | - | 4.31 | 40,045 |
| Pictures by Letter - B | 0 | - | 4.31 | 43,986 |
| Pictures by Letter - D | 0 | - | 4.13 | 37,603 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,810 |
| Fruits by Picture | 0 | - | 4.19 | 807,267 |
| Geography by Picture - B | 0 | - | 4.42 | 55,601 |
| Geography by Picture - H | 0 | - | 4.50 | 58,225 |
| Geography by Picture - N | 0 | - | 4.45 | 42,202 |
| Geography by Picture - R | 0 | - | 4.56 | 41,022 |
| Geography by Picture - T | 0 | - | 4.54 | 57,840 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 115,102 |
| Flags to Languages | 0 | - | 4.95 | 173,632 |
| Pictures by Letter - E | 0 | - | 3.49 | 34,504 |
| Pictures by Letter - G | 0 | - | 4.14 | 28,180 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,576 |
| Pictures by Letter - F | 0 | - | 4.17 | 29,062 |
| Pictures by Letter - Z | 0 | - | 4.05 | 23,468 |
| Pictures by Letter - Y | 0 | - | 4.21 | 26,315 |
| Pictures by Letter - R | 0 | - | 4.05 | 24,779 |
| Pictures by Letter - K | 0 | - | 4.18 | 25,140 |
| Pictures by Letter - I | 0 | - | 4.16 | 30,401 |
| Pictures by Letter - N | 0 | - | 4.11 | 24,507 |
| Pictures by Letter - P | 0 | - | 4.05 | 26,068 |
| Pictures by Letter - U | 0 | - | 4.10 | 20,796 |
| Pictures by Letter - T | 0 | - | 4.34 | 27,704 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,530 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 337,541 |
| Car Logos Quiz #1 | 0 | - | 4.45 | 539,060 |
| Name that Bug | 0 | - | 4.12 | 45,561 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,360 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 57,952 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,691 |
| Elements by Picture | 0 | - | 4.27 | 69,947 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,323 |
| Islands by Picture | 0 | - | 4.29 | 106,953 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,266 |
| Geography by Picture - A | 0 | - | 4.39 | 60,254 |
| Geography by Picture - D | 0 | - | 4.15 | 45,658 |
| Geography by Picture - F | 0 | - | 4.31 | 51,005 |
| Geography by Picture - G | 0 | - | 4.38 | 47,948 |
| Geography by Picture - J | 0 | - | 4.16 | 38,465 |
| Geography by Picture - K | 0 | - | 4.29 | 33,126 |
| Geography by Picture - C | 0 | - | 4.31 | 57,072 |
| Geography by Picture - L | 0 | - | 4.37 | 58,963 |
| Geography by Picture - M | 0 | - | 4.14 | 40,460 |
| Geography by Picture - P | 0 | - | 4.24 | 42,435 |
| Geography by Picture - S | 0 | - | 4.38 | 47,039 |
| Video Game Logos Quiz | 0 | - | 4.40 | 184,003 |
| Movie Logos | 0 | - | 4.33 | 238,480 |
| History by Picture - A | 0 | - | 4.26 | 45,820 |
| History by Picture - B | 0 | - | 4.40 | 49,002 |
| History by Picture - C | 0 | - | 4.36 | 54,509 |
| History by Picture - F | 0 | - | 4.35 | 37,908 |
| History by Picture - G | 0 | - | 4.40 | 42,166 |
| History by Picture - D | 0 | - | 4.29 | 44,335 |
| History by Picture - E | 0 | - | 4.25 | 43,953 |
| History by Picture - H | 0 | - | 4.37 | 36,815 |
| History by Picture - K | 0 | - | 4.35 | 33,380 |
| History by Picture - M | 0 | - | 4.17 | 36,170 |
| History by Picture - N | 0 | - | 4.40 | 41,286 |
| History by Picture - O | 0 | - | 4.39 | 36,336 |
| History by Picture - T | 0 | - | 4.20 | 33,331 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 84,094 |
| Animals by Close-up Image | 0 | - | 4.42 | 217,860 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,643 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,229 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,819 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,408 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 48,019 |
| International Footballers by Picture | 0 | - | 4.50 | 55,629 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 284,568 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 107,674 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.51 | 50,802 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 280,432 |
| Flag Maths | 0 | - | 4.64 | 57,763 |
| Satellite Images #1 | 0 | - | 4.47 | 129,373 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,309 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,917 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,931 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,989 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,014 |
| Cities by Picture #1 | 0 | - | 4.73 | 86,000 |
| Soccer Team Logos | 0 | - | 4.26 | 374,551 |
| Ultimate Car Logos Quiz | 0 | - | 4.81 | 180,509 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 261,953 |
| Brand Logos That Start With M | 0 | - | 4.45 | 62,858 |
| Brand Logos That Start with A | 0 | - | 4.52 | 70,331 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 57,293 |
| Foods by Picture | 0 | - | 3.81 | 226,104 |
| Junk Foods by Picture | 0 | - | 3.69 | 96,386 |
| Christmas by Picture | 0 | - | 4.26 | 28,175 |
| Hats by Picture | 0 | - | 4.21 | 17,967 |
| Weapons by Picture | 0 | - | 4.13 | 21,060 |
| Cars by Picture | 0 | - | 3.89 | 41,512 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,299 |
| Plants by Picture | 0 | - | 4.24 | 14,445 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 103,822 |
| Women in History by Picture | 0 | - | 4.25 | 25,921 |
| Famous Foreheads #2 | 0 | - | 3.17 | 15,777 |
| Geography by Picture - E | 0 | - | 3.55 | 47,383 |
| Landforms by Picture | 0 | - | 4.31 | 20,677 |
| Geography by Picture - I | 0 | - | 4.00 | 39,432 |
| Geography by Picture - O | 0 | - | 4.01 | 28,140 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,551 |
| Pictures by Letter - H | 0 | - | 3.97 | 30,499 |
| Pictures by Letter - C | 0 | - | 3.99 | 30,231 |
| Pictures by Letter - O | 0 | - | 3.98 | 28,702 |
| Pictures by Letter - Q | 0 | - | 3.92 | 20,452 |
| Pictures by Letter - S | 0 | - | 3.82 | 20,972 |
| Pictures by Letter - W | 0 | - | 3.92 | 20,156 |
| Pictures by Letter - V | 0 | - | 4.00 | 17,997 |
| History by Picture - I | 0 | - | 4.24 | 26,250 |
| History by Picture - J | 0 | - | 4.18 | 26,748 |
| History by Picture - L | 0 | - | 4.18 | 30,805 |
| History by Picture - P | 0 | - | 4.08 | 25,311 |
| History by Picture - Q | 0 | - | 4.03 | 22,099 |
| History by Picture - R | 0 | - | 4.13 | 26,866 |
| History by Picture - S | 0 | - | 4.14 | 27,808 |
| History by Picture - U | 0 | - | 4.24 | 25,155 |
| History by Picture - V | 0 | - | 4.30 | 25,130 |
| History by Picture - W | 0 | - | 4.01 | 21,659 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 119,119 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,315 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 268,944 |
| Flowers by Picture | 0 | - | 4.46 | 105,647 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,743 |
| Authors by Picture | 0 | - | 4.48 | 25,536 |
| Fruit and Vegetable Emojis | 0 | - | 4.44 | 89,542 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 55,787 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,836 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 65,987 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 58,871 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,545 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,454 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,125 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,129 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,640 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,243 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 165,188 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,422 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,425 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 51,195 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 71,732 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.13 | 79,439 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 72,443 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 95,583 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 46,167 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 239,365 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 159,137 |
| Name that Historical Figure #6 | 0 | - | 4.26 | 93,310 |
| Musicians by Picture #1 | 0 | - | 4.37 | 108,787 |
| Musicians by Picture #2 | 0 | - | 4.29 | 76,434 |
| Musicians by Picture #4 | 0 | - | 4.07 | 64,908 |
| Musicians by Picture #3 | 0 | - | 4.10 | 58,996 |
| Emoji Flags | 0 | - | 4.35 | 44,089 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.67 | 37,865 |
| Languages by Combined Flags | 0 | - | 4.53 | 100,002 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,398 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 66,420 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,733 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,810 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 394,504 |
| Airline Logos | 0 | - | 4.45 | 140,729 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,422,874 |
| Fast Food Logos Quiz | 0 | - | 4.45 | 248,397 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 159,060 |
| Brand Logos That Start With S | 0 | - | 4.37 | 57,635 |
| Brand Logos That Start With B | 0 | - | 4.38 | 60,013 |
| Brand Logos That Start With D | 0 | - | 4.37 | 61,568 |
| Brand Logos That Start With L | 0 | - | 4.39 | 61,173 |
