| Pictures by Letter - A | 0 | - | 4.17 | 33,339 |
| Pictures by Letter - J | 0 | - | 4.31 | 39,962 |
| Pictures by Letter - B | 0 | - | 4.31 | 43,880 |
| Pictures by Letter - D | 0 | - | 4.13 | 37,525 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,733 |
| Former Countries by Territory Map | 0 | - | 4.96 | 102,474 |
| Empires by Maps | 0 | - | 4.98 | 119,863 |
| Pictures by Letter - E | 0 | - | 3.49 | 34,440 |
| Pictures by Letter - G | 0 | - | 4.14 | 28,094 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,510 |
| Pictures by Letter - F | 0 | - | 4.17 | 28,984 |
| Pictures by Letter - Z | 0 | - | 4.05 | 23,416 |
| Pictures by Letter - Y | 0 | - | 4.22 | 26,251 |
| Pictures by Letter - R | 0 | - | 4.05 | 24,725 |
| Pictures by Letter - I | 0 | - | 4.16 | 30,342 |
| Pictures by Letter - N | 0 | - | 4.11 | 24,458 |
| Pictures by Letter - P | 0 | - | 4.05 | 26,003 |
| Pictures by Letter - U | 0 | - | 4.10 | 20,749 |
| Pictures by Letter - T | 0 | - | 4.34 | 27,634 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,177 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 103,864 |
| Play-Doh People from History | 0 | - | 4.99 | 94,551 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,408 |
| All Country Flags of the World | 0 | - | 5.00 | 3,644,760 |
| Pictures by Letter - H | 0 | - | 3.97 | 30,438 |
| Pictures by Letter - C | 0 | - | 3.99 | 30,157 |
| Pictures by Letter - O | 0 | - | 3.98 | 28,647 |
| Pictures by Letter - Q | 0 | - | 3.92 | 20,401 |
| Pictures by Letter - S | 0 | - | 3.82 | 20,916 |
| Pictures by Letter - W | 0 | - | 3.92 | 20,110 |
| Pictures by Letter - V | 0 | - | 4.00 | 17,951 |
| Years in History by Picture | 0 | - | 4.44 | 35,418 |
| Famous Foreheads #1 | 0 | - | 4.47 | 74,711 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,533,894 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,091,248 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 732,327 |
| Name that Object #1 | 0 | - | 3.57 | 96,457 |
| Make a Stained Glass Window | 0 | - | 5.00 | 68,317 |
| Flags with Crescents | 0 | - | 4.98 | 168,946 |
| Country Flag Trivia | 0 | - | 4.81 | 56,706 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,334 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,184 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 86,951 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,058 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 84,965 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,562 |
| National Football Team Logos | 0 | - | 4.85 | 179,887 |
| Old Movies by Picture | 0 | - | 4.51 | 25,040 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 46,922 |
| Random Logos Quiz | 0 | - | 4.31 | 208,058 |
| Fruits by Picture | 0 | - | 4.19 | 806,501 |
| Geography by Picture - B | 0 | - | 4.42 | 55,550 |
| Geography by Picture - H | 0 | - | 4.50 | 58,171 |
| Geography by Picture - N | 0 | - | 4.45 | 42,160 |
| Geography by Picture - R | 0 | - | 4.56 | 40,977 |
| Geography by Picture - T | 0 | - | 4.54 | 57,789 |
| Flags to Languages | 0 | - | 4.95 | 173,316 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 114,634 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,366 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 83,830 |
| Name that Object #2 | 0 | - | 3.64 | 15,422 |
| Name that Object #3 | 0 | - | 3.93 | 14,379 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,250 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 336,960 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,844 |
| Car Logos Quiz #1 | 0 | - | 4.44 | 537,119 |
| Name that Bug | 0 | - | 4.12 | 45,531 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,298 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 57,855 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,597 |
| Elements by Picture | 0 | - | 4.27 | 69,817 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,268 |
| Islands by Picture | 0 | - | 4.29 | 106,656 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,208 |
| Animals by Skeleton Image | 0 | - | 4.80 | 46,333 |
| Animals by Close-up Image | 0 | - | 4.42 | 217,552 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,518 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,143 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,611 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 47,938 |
| International Footballers by Picture | 0 | - | 4.50 | 55,349 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 284,050 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 107,384 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.51 | 50,678 |
| Geography by Picture - A | 0 | - | 4.39 | 60,186 |
| Geography by Picture - D | 0 | - | 4.15 | 45,603 |
| Geography by Picture - F | 0 | - | 4.31 | 50,937 |
| Geography by Picture - G | 0 | - | 4.38 | 47,905 |
| Geography by Picture - J | 0 | - | 4.16 | 38,424 |
| Geography by Picture - K | 0 | - | 4.29 | 33,089 |
| Geography by Picture - C | 0 | - | 4.31 | 57,026 |
| Geography by Picture - L | 0 | - | 4.37 | 58,895 |
| Geography by Picture - M | 0 | - | 4.14 | 40,414 |
| Geography by Picture - P | 0 | - | 4.24 | 42,391 |
| Geography by Picture - S | 0 | - | 4.38 | 47,002 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 279,849 |
| Flag Maths | 0 | - | 4.64 | 57,739 |
| Satellite Images #1 | 0 | - | 4.46 | 129,269 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,223 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,842 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,839 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,921 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,802 |
| Soccer Team Logos | 0 | - | 4.26 | 373,455 |
| Ultimate Car Logos Quiz | 0 | - | 4.80 | 179,186 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 261,177 |
| Video Game Logos Quiz | 0 | - | 4.40 | 183,610 |
| Movie Logos | 0 | - | 4.33 | 237,729 |
| Brand Logos That Start With M | 0 | - | 4.45 | 62,489 |
| Brand Logos That Start with A | 0 | - | 4.52 | 70,019 |
| History by Picture - A | 0 | - | 4.26 | 45,720 |
| History by Picture - B | 0 | - | 4.40 | 48,868 |
| History by Picture - C | 0 | - | 4.36 | 54,393 |
| History by Picture - F | 0 | - | 4.35 | 37,820 |
| History by Picture - G | 0 | - | 4.40 | 42,081 |
| History by Picture - D | 0 | - | 4.29 | 44,251 |
| History by Picture - E | 0 | - | 4.27 | 43,859 |
| History by Picture - H | 0 | - | 4.37 | 36,737 |
| History by Picture - K | 0 | - | 4.35 | 33,310 |
| History by Picture - M | 0 | - | 4.17 | 36,101 |
| History by Picture - N | 0 | - | 4.40 | 41,200 |
| History by Picture - O | 0 | - | 4.39 | 36,259 |
| History by Picture - T | 0 | - | 4.20 | 33,269 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 57,151 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 103,469 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,236 |
| Brand Logos Quiz #1 | 0 | - | 4.82 | 2,416,619 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,905 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,124 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 268,643 |
| Foods by Picture | 0 | - | 3.81 | 225,924 |
| Flowers by Picture | 0 | - | 4.46 | 105,561 |
| Junk Foods by Picture | 0 | - | 3.69 | 96,271 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,677 |
| Christmas by Picture | 0 | - | 4.25 | 28,145 |
| Hats by Picture | 0 | - | 4.21 | 17,948 |
| Weapons by Picture | 0 | - | 4.13 | 21,019 |
| Cars by Picture | 0 | - | 3.89 | 41,389 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,284 |
| Authors by Picture | 0 | - | 4.48 | 25,503 |
| Plants by Picture | 0 | - | 4.24 | 14,411 |
| Fruit and Vegetable Emojis | 0 | - | 4.42 | 80,051 |
| WWII Figures by Picture | 0 | - | 4.89 | 65,023 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 55,590 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,616 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 65,799 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 58,747 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,422 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,306 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,030 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,070 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,498 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,141 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 165,038 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,296 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,336 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 51,105 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 71,571 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.13 | 79,273 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 72,251 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 95,082 |
| Women in History by Picture | 0 | - | 4.25 | 25,878 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 46,085 |
| Famous Foreheads #2 | 0 | - | 3.17 | 15,745 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 238,939 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 158,844 |
| Name that Historical Figure #6 | 0 | - | 4.26 | 93,091 |
| Musicians by Picture #1 | 0 | - | 4.39 | 108,321 |
| Musicians by Picture #2 | 0 | - | 4.29 | 76,124 |
| Musicians by Picture #4 | 0 | - | 4.07 | 64,671 |
| Musicians by Picture #3 | 0 | - | 4.10 | 58,810 |
| Geography by Picture - E | 0 | - | 3.55 | 47,345 |
| Landforms by Picture | 0 | - | 4.31 | 20,645 |
| Geography by Picture - I | 0 | - | 4.00 | 39,390 |
| Geography by Picture - O | 0 | - | 4.01 | 28,107 |
| Emoji Flags | 0 | - | 4.35 | 43,993 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.67 | 37,748 |
| Languages by Combined Flags | 0 | - | 4.53 | 99,760 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,353 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 66,219 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,528 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,768 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 394,060 |
| Airline Logos | 0 | - | 4.45 | 140,485 |
| Fast Food Logos Quiz | 0 | - | 4.44 | 247,965 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 158,679 |
| Brand Logos That Start With S | 0 | - | 4.37 | 57,360 |
| Brand Logos That Start With B | 0 | - | 4.38 | 59,784 |
| Brand Logos That Start With D | 0 | - | 4.37 | 61,328 |
| Brand Logos That Start With L | 0 | - | 4.39 | 60,884 |
| Brand Logos That Start With C | 0 | - | 4.17 | 49,481 |
| History by Picture - I | 0 | - | 4.26 | 26,174 |
| History by Picture - J | 0 | - | 4.18 | 26,689 |
| History by Picture - L | 0 | - | 4.18 | 30,729 |
| History by Picture - P | 0 | - | 4.08 | 25,256 |
| History by Picture - Q | 0 | - | 4.03 | 22,049 |
| History by Picture - R | 0 | - | 4.13 | 26,808 |
| History by Picture - S | 0 | - | 4.14 | 27,745 |
| History by Picture - U | 0 | - | 4.24 | 25,086 |
| History by Picture - V | 0 | - | 4.30 | 25,059 |
