| Pictures by Letter - A | 0 | - | 4.18 | 33,558 |
| Pictures by Letter - J | 0 | - | 4.31 | 40,194 |
| Pictures by Letter - B | 0 | - | 4.32 | 44,154 |
| Pictures by Letter - D | 0 | - | 4.14 | 37,729 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,923 |
| Former Countries by Territory Map | 0 | - | 4.96 | 103,371 |
| Empires by Maps | 0 | - | 4.98 | 121,309 |
| Merged Company Logos #1 | 0 | - | 4.90 | 106,966 |
| Pictures by Letter - E | 0 | - | 3.51 | 34,589 |
| Pictures by Letter - G | 0 | - | 4.14 | 28,307 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,691 |
| Pictures by Letter - F | 0 | - | 4.18 | 29,184 |
| Pictures by Letter - Z | 0 | - | 4.05 | 23,548 |
| Pictures by Letter - Y | 0 | - | 4.21 | 26,401 |
| Pictures by Letter - K | 0 | - | 4.18 | 25,232 |
| Pictures by Letter - I | 0 | - | 4.16 | 30,508 |
| Pictures by Letter - N | 0 | - | 4.11 | 24,597 |
| Pictures by Letter - P | 0 | - | 4.05 | 26,152 |
| Pictures by Letter - U | 0 | - | 4.10 | 20,871 |
| Pictures by Letter - T | 0 | - | 4.34 | 27,792 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,408 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 104,944 |
| Play-Doh People from History | 0 | - | 4.99 | 95,244 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,882 |
| All Country Flags of the World | 0 | - | 5.00 | 3,693,113 |
| Pictures by Letter - H | 0 | - | 3.97 | 30,599 |
| Pictures by Letter - C | 0 | - | 4.00 | 30,333 |
| Pictures by Letter - O | 0 | - | 3.98 | 28,783 |
| Pictures by Letter - Q | 0 | - | 3.92 | 20,527 |
| Pictures by Letter - S | 0 | - | 3.82 | 21,048 |
| Pictures by Letter - W | 0 | - | 3.87 | 20,231 |
| Pictures by Letter - V | 0 | - | 4.00 | 18,065 |
| Years in History by Picture | 0 | - | 4.44 | 35,671 |
| Famous Foreheads #1 | 0 | - | 4.47 | 75,210 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,542,302 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,095,417 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 735,187 |
| Name that Object #1 | 0 | - | 3.57 | 96,557 |
| Animals by Skeleton Image | 0 | - | 4.81 | 46,764 |
| Make a Stained Glass Window | 0 | - | 5.00 | 68,840 |
| Flags with Crescents | 0 | - | 4.98 | 170,696 |
| Country Flag Trivia | 0 | - | 4.81 | 57,634 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,438 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,040 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,108 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,660 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,674 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 53,248 |
| Ultimate Car Logos Quiz | 0 | - | 4.81 | 182,691 |
| National Football Team Logos | 0 | - | 4.85 | 181,200 |
| Old Movies by Picture | 0 | - | 4.51 | 25,184 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 47,209 |
| Random Logos Quiz | 0 | - | 4.33 | 209,024 |
| Fruits by Picture | 0 | - | 4.19 | 808,478 |
| Geography by Picture - B | 0 | - | 4.42 | 55,713 |
| Geography by Picture - H | 0 | - | 4.50 | 58,313 |
| Geography by Picture - N | 0 | - | 4.45 | 42,288 |
| Geography by Picture - R | 0 | - | 4.56 | 41,096 |
| Geography by Picture - T | 0 | - | 4.54 | 57,935 |
| Flags to Languages | 0 | - | 4.95 | 174,160 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 115,871 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,840 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 84,506 |
| Name that Object #2 | 0 | - | 3.64 | 15,481 |
| Name that Object #3 | 0 | - | 3.93 | 14,436 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,686 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 338,561 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,280 |
| Car Logos Quiz #1 | 0 | - | 4.52 | 542,176 |
| Name that Bug | 0 | - | 4.12 | 45,603 |
| Islands by Shape #1 | 0 | - | 4.33 | 84,450 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 58,120 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,836 |
| Elements by Picture | 0 | - | 4.27 | 70,165 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,424 |
| Islands by Picture | 0 | - | 4.28 | 107,464 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,392 |
| Animals by Close-up Image | 0 | - | 4.42 | 218,762 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,861 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,391 |
| Mammals by Picture #1 | 0 | - | 4.70 | 92,176 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 48,138 |
| International Footballers by Picture | 0 | - | 4.51 | 56,101 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 285,447 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 108,215 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.51 | 51,052 |
| Geography by Picture - A | 0 | - | 4.39 | 60,363 |
| Geography by Picture - D | 0 | - | 4.15 | 45,736 |
| Geography by Picture - F | 0 | - | 4.31 | 51,113 |
| Geography by Picture - G | 0 | - | 4.39 | 48,035 |
| Geography by Picture - J | 0 | - | 4.16 | 38,542 |
| Geography by Picture - K | 0 | - | 4.29 | 33,204 |
| Geography by Picture - C | 0 | - | 4.31 | 57,166 |
| Geography by Picture - L | 0 | - | 4.37 | 59,075 |
| Geography by Picture - M | 0 | - | 4.14 | 40,538 |
| Geography by Picture - P | 0 | - | 4.24 | 42,519 |
| Geography by Picture - S | 0 | - | 4.38 | 47,127 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 281,414 |
| Flag Maths | 0 | - | 4.61 | 57,808 |
| Satellite Images #1 | 0 | - | 4.47 | 129,556 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,461 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,042 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,065 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,078 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,326 |
| Soccer Team Logos | 0 | - | 4.26 | 376,371 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 263,146 |
| Video Game Logos Quiz | 0 | - | 4.40 | 184,611 |
| Movie Logos | 0 | - | 4.33 | 239,612 |
| Brand Logos That Start with A | 0 | - | 4.52 | 70,842 |
| History by Picture - A | 0 | - | 4.26 | 46,018 |
| History by Picture - B | 0 | - | 4.40 | 49,198 |
| History by Picture - C | 0 | - | 4.36 | 54,726 |
| History by Picture - F | 0 | - | 4.35 | 38,073 |
| History by Picture - G | 0 | - | 4.40 | 42,315 |
| History by Picture - D | 0 | - | 4.29 | 44,522 |
| History by Picture - E | 0 | - | 4.25 | 44,114 |
| History by Picture - H | 0 | - | 4.37 | 36,969 |
| History by Picture - K | 0 | - | 4.35 | 33,510 |
| History by Picture - M | 0 | - | 4.17 | 36,292 |
| History by Picture - N | 0 | - | 4.40 | 41,431 |
| History by Picture - O | 0 | - | 4.39 | 36,458 |
| History by Picture - T | 0 | - | 4.20 | 33,447 |
| Name that Nut, Seed, or Bean | 0 | - | 4.57 | 57,524 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 104,381 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,083 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,432,346 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 119,611 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,673 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 269,461 |
| Foods by Picture | 0 | - | 3.81 | 226,398 |
| Flowers by Picture | 0 | - | 4.46 | 105,788 |
| Junk Foods by Picture | 0 | - | 3.69 | 96,567 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,886 |
| Christmas by Picture | 0 | - | 4.26 | 28,211 |
| Hats by Picture | 0 | - | 4.21 | 18,000 |
| Weapons by Picture | 0 | - | 4.13 | 21,128 |
| Cars by Picture | 0 | - | 3.89 | 41,694 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,339 |
| Authors by Picture | 0 | - | 4.48 | 25,597 |
| Plants by Picture | 0 | - | 4.24 | 14,499 |
| Fruit and Vegetable Emojis | 0 | - | 4.45 | 90,578 |
| WWII Figures by Picture | 0 | - | 4.89 | 65,967 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 56,027 |
| Planets By Picture Quiz | 0 | - | 4.49 | 57,164 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 66,335 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 59,159 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,714 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,698 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,360 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,234 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,899 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,411 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 165,477 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,638 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,573 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 51,304 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 71,967 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.14 | 79,637 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 72,680 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 95,893 |
| Women in History by Picture | 0 | - | 4.25 | 25,987 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 46,286 |
| Famous Foreheads #2 | 0 | - | 3.17 | 15,825 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 240,162 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 159,694 |
| Name that Historical Figure #6 | 0 | - | 4.26 | 93,766 |
| Musicians by Picture #1 | 0 | - | 4.37 | 109,572 |
| Musicians by Picture #2 | 0 | - | 4.29 | 77,039 |
| Musicians by Picture #4 | 0 | - | 4.07 | 65,357 |
| Musicians by Picture #3 | 0 | - | 4.10 | 59,350 |
| Geography by Picture - E | 0 | - | 3.55 | 47,455 |
| Landforms by Picture | 0 | - | 4.31 | 20,726 |
| Geography by Picture - I | 0 | - | 4.00 | 39,494 |
| Geography by Picture - O | 0 | - | 4.01 | 28,199 |
| Emoji Flags | 0 | - | 4.35 | 44,211 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.68 | 38,106 |
| Languages by Combined Flags | 0 | - | 4.53 | 100,381 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,494 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 66,752 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 71,066 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,883 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 395,232 |
| Airline Logos | 0 | - | 4.45 | 141,174 |
| Fast Food Logos Quiz | 0 | - | 4.45 | 249,064 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 159,569 |
| Brand Logos That Start With M | 0 | - | 4.38 | 63,253 |
| Brand Logos That Start With S | 0 | - | 4.37 | 58,036 |
| Brand Logos That Start With B | 0 | - | 4.38 | 60,395 |
| Brand Logos That Start With D | 0 | - | 4.36 | 61,941 |
| Brand Logos That Start With L | 0 | - | 4.39 | 61,630 |
| Brand Logos That Start With C | 0 | - | 4.20 | 49,953 |
| History by Picture - I | 0 | - | 4.24 | 26,363 |
| History by Picture - J | 0 | - | 4.18 | 26,861 |
| History by Picture - L | 0 | - | 4.18 | 30,918 |
| History by Picture - P | 0 | - | 4.08 | 25,404 |
| History by Picture - Q | 0 | - | 4.03 | 22,194 |
| History by Picture - R | 0 | - | 4.13 | 26,973 |
| History by Picture - S | 0 | - | 4.14 | 27,905 |
| History by Picture - U | 0 | - | 4.25 | 25,254 |
