| Pictures by Letter - A | 0 | - | 4.18 | 33,646 |
| Pictures by Letter - J | 0 | - | 4.31 | 40,280 |
| Pictures by Letter - B | 0 | - | 4.32 | 44,262 |
| Pictures by Letter - D | 0 | - | 4.14 | 37,807 |
| Pictures by Letter - M | 0 | - | 4.24 | 38,010 |
| Former Countries by Territory Map | 0 | - | 4.96 | 103,906 |
| Empires by Maps | 0 | - | 4.98 | 122,096 |
| Merged Company Logos #1 | 0 | - | 4.90 | 107,421 |
| Pictures by Letter - E | 0 | - | 3.51 | 34,660 |
| Pictures by Letter - G | 0 | - | 4.14 | 28,391 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,767 |
| Pictures by Letter - F | 0 | - | 4.18 | 29,270 |
| Pictures by Letter - Z | 0 | - | 4.05 | 23,600 |
| Pictures by Letter - Y | 0 | - | 4.21 | 26,453 |
| Pictures by Letter - R | 0 | - | 4.05 | 24,927 |
| Pictures by Letter - K | 0 | - | 4.18 | 25,299 |
| Pictures by Letter - I | 0 | - | 4.16 | 30,579 |
| Pictures by Letter - P | 0 | - | 4.05 | 26,206 |
| Pictures by Letter - U | 0 | - | 4.10 | 20,934 |
| Pictures by Letter - T | 0 | - | 4.34 | 27,863 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,535 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 105,358 |
| Play-Doh People from History | 0 | - | 4.99 | 95,561 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 62,119 |
| All Country Flags of the World | 0 | - | 5.00 | 3,714,036 |
| Pictures by Letter - H | 0 | - | 3.97 | 30,667 |
| Pictures by Letter - C | 0 | - | 4.00 | 30,409 |
| Pictures by Letter - O | 0 | - | 3.98 | 28,848 |
| Pictures by Letter - Q | 0 | - | 3.92 | 20,575 |
| Pictures by Letter - S | 0 | - | 3.82 | 21,105 |
| Pictures by Letter - W | 0 | - | 3.87 | 20,283 |
| Pictures by Letter - V | 0 | - | 4.00 | 18,116 |
| Years in History by Picture | 0 | - | 4.45 | 35,807 |
| Famous Foreheads #1 | 0 | - | 4.47 | 75,440 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,546,041 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,097,219 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 736,468 |
| Name that Object #1 | 0 | - | 3.57 | 96,630 |
| Animals by Skeleton Image | 0 | - | 4.81 | 46,943 |
| Make a Stained Glass Window | 0 | - | 5.00 | 69,081 |
| Flags with Crescents | 0 | - | 4.98 | 171,355 |
| Country Flag Trivia | 0 | - | 4.81 | 58,033 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,907 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,439 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,607 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,954 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,993 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.81 | 53,494 |
| Ultimate Car Logos Quiz | 0 | - | 4.81 | 184,097 |
| National Football Team Logos | 0 | - | 4.85 | 181,893 |
| Old Movies by Picture | 0 | - | 4.51 | 25,270 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 47,302 |
| Random Logos Quiz | 0 | - | 4.33 | 209,665 |
| Fruits by Picture | 0 | - | 4.19 | 809,353 |
| Geography by Picture - B | 0 | - | 4.42 | 55,784 |
| Geography by Picture - H | 0 | - | 4.50 | 58,378 |
| Geography by Picture - N | 0 | - | 4.45 | 42,338 |
| Geography by Picture - R | 0 | - | 4.56 | 41,146 |
| Geography by Picture - T | 0 | - | 4.54 | 58,000 |
| Flags to Languages | 0 | - | 4.95 | 174,518 |
| All North American Pro Sports Logos | 0 | - | 4.72 | 116,429 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 51,031 |
| Name that Object #2 | 0 | - | 3.63 | 15,526 |
| Name that Object #3 | 0 | - | 3.93 | 14,468 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,875 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 339,551 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,459 |
| Car Logos Quiz #1 | 0 | - | 4.52 | 544,193 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 84,743 |
| Name that Bug | 0 | - | 4.12 | 45,637 |
| Islands by Shape #1 | 0 | - | 4.33 | 84,512 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 58,273 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,978 |
| Elements by Picture | 0 | - | 4.27 | 70,323 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,511 |
| Islands by Picture | 0 | - | 4.28 | 107,789 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,457 |
| Animals by Close-up Image | 0 | - | 4.42 | 219,076 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 46,015 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,481 |
| Mammals by Picture #1 | 0 | - | 4.70 | 92,451 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 48,213 |
| International Footballers by Picture | 0 | - | 4.51 | 56,438 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 286,122 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 108,635 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.51 | 51,232 |
| Geography by Picture - A | 0 | - | 4.39 | 60,436 |
| Geography by Picture - D | 0 | - | 4.15 | 45,786 |
| Geography by Picture - F | 0 | - | 4.31 | 51,172 |
| Geography by Picture - G | 0 | - | 4.39 | 48,077 |
| Geography by Picture - J | 0 | - | 4.16 | 38,593 |
| Geography by Picture - K | 0 | - | 4.29 | 33,247 |
| Geography by Picture - C | 0 | - | 4.31 | 57,236 |
| Geography by Picture - L | 0 | - | 4.37 | 59,136 |
| Geography by Picture - M | 0 | - | 4.14 | 40,579 |
| Geography by Picture - P | 0 | - | 4.24 | 42,565 |
| Geography by Picture - S | 0 | - | 4.38 | 47,180 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 282,080 |
| Flag Maths | 0 | - | 4.61 | 57,845 |
| Satellite Images #1 | 0 | - | 4.46 | 129,990 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,685 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,349 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,233 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,212 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,583 |
| Soccer Team Logos | 0 | - | 4.26 | 377,702 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 263,944 |
| Video Game Logos Quiz | 0 | - | 4.40 | 185,089 |
| Movie Logos | 0 | - | 4.33 | 240,442 |
| Brand Logos That Start with A | 0 | - | 4.52 | 71,185 |
| History by Picture - A | 0 | - | 4.26 | 46,139 |
| History by Picture - B | 0 | - | 4.40 | 49,337 |
| History by Picture - C | 0 | - | 4.33 | 54,871 |
| History by Picture - F | 0 | - | 4.35 | 38,187 |
| History by Picture - G | 0 | - | 4.40 | 42,428 |
| History by Picture - D | 0 | - | 4.29 | 44,642 |
| History by Picture - E | 0 | - | 4.25 | 44,226 |
| History by Picture - H | 0 | - | 4.37 | 37,072 |
| History by Picture - K | 0 | - | 4.35 | 33,602 |
| History by Picture - M | 0 | - | 4.17 | 36,387 |
| History by Picture - N | 0 | - | 4.40 | 41,522 |
| History by Picture - O | 0 | - | 4.39 | 36,547 |
| History by Picture - T | 0 | - | 4.20 | 33,532 |
| Name that Nut, Seed, or Bean | 0 | - | 4.57 | 57,763 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 104,682 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,431 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,438,672 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 119,822 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,864 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 269,784 |
| Foods by Picture | 0 | - | 3.81 | 226,629 |
| Flowers by Picture | 0 | - | 4.46 | 105,865 |
| Junk Foods by Picture | 0 | - | 3.69 | 96,757 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,950 |
| Christmas by Picture | 0 | - | 4.26 | 28,230 |
| Hats by Picture | 0 | - | 4.21 | 18,018 |
| Weapons by Picture | 0 | - | 4.13 | 21,192 |
| Cars by Picture | 0 | - | 3.89 | 41,826 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,386 |
| Authors by Picture | 0 | - | 4.48 | 25,634 |
| Plants by Picture | 0 | - | 4.24 | 14,522 |
| Fruit and Vegetable Emojis | 0 | - | 4.45 | 90,939 |
| WWII Figures by Picture | 0 | - | 4.89 | 66,242 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 56,180 |
| Planets By Picture Quiz | 0 | - | 4.49 | 57,380 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 66,505 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 59,311 |
| Fish by Picture #1 | 0 | - | 4.41 | 109,060 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,865 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,503 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,346 |
| Birds by Picture #1 | 0 | - | 4.47 | 42,048 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,573 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 165,798 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,759 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,670 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 51,372 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 72,124 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.14 | 79,769 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 72,829 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 96,099 |
| Women in History by Picture | 0 | - | 4.25 | 26,025 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 46,349 |
| Famous Foreheads #2 | 0 | - | 3.17 | 15,855 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 240,768 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 160,145 |
| Name that Historical Figure #6 | 0 | - | 4.26 | 94,107 |
| Musicians by Picture #1 | 0 | - | 4.38 | 110,043 |
| Musicians by Picture #2 | 0 | - | 4.29 | 77,399 |
| Musicians by Picture #4 | 0 | - | 4.07 | 65,608 |
| Musicians by Picture #3 | 0 | - | 4.10 | 59,549 |
| Geography by Picture - E | 0 | - | 3.55 | 47,491 |
| Landforms by Picture | 0 | - | 4.31 | 20,748 |
| Geography by Picture - I | 0 | - | 4.00 | 39,531 |
| Geography by Picture - O | 0 | - | 4.01 | 28,240 |
| Emoji Flags | 0 | - | 4.35 | 44,292 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.69 | 38,230 |
| Languages by Combined Flags | 0 | - | 4.53 | 100,661 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,649 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 66,973 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 71,279 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,929 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 395,685 |
| Airline Logos | 0 | - | 4.45 | 141,437 |
| Fast Food Logos Quiz | 0 | - | 4.45 | 249,530 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 159,970 |
| Brand Logos That Start With M | 0 | - | 4.38 | 63,550 |
| Brand Logos That Start With S | 0 | - | 4.37 | 58,309 |
| Brand Logos That Start With B | 0 | - | 4.38 | 60,675 |
| Brand Logos That Start With D | 0 | - | 4.36 | 62,216 |
| Brand Logos That Start With L | 0 | - | 4.39 | 61,924 |
| Brand Logos That Start With C | 0 | - | 4.20 | 50,144 |
| History by Picture - I | 0 | - | 4.24 | 26,445 |
| History by Picture - J | 0 | - | 4.18 | 26,937 |
| History by Picture - L | 0 | - | 4.18 | 31,015 |
| History by Picture - P | 0 | - | 4.08 | 25,476 |
| History by Picture - Q | 0 | - | 4.03 | 22,255 |
| History by Picture - R | 0 | - | 4.13 | 27,049 |
| History by Picture - S | 0 | - | 4.14 | 27,980 |
| History by Picture - U | 0 | - | 4.25 | 25,323 |
