| Pictures by Letter - A | 0 | - | 4.18 | 33,672 |
| Pictures by Letter - J | 0 | - | 4.31 | 40,300 |
| Pictures by Letter - B | 0 | - | 4.32 | 44,288 |
| Pictures by Letter - D | 0 | - | 4.14 | 37,829 |
| Pictures by Letter - M | 0 | - | 4.24 | 38,031 |
| Former Countries by Territory Map | 0 | - | 4.96 | 104,076 |
| Empires by Maps | 0 | - | 4.98 | 122,340 |
| Merged Company Logos #1 | 0 | - | 4.90 | 107,523 |
| Pictures by Letter - E | 0 | - | 3.51 | 34,672 |
| Pictures by Letter - G | 0 | - | 4.14 | 28,406 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,786 |
| Pictures by Letter - F | 0 | - | 4.18 | 29,289 |
| Pictures by Letter - Z | 0 | - | 4.05 | 23,616 |
| Pictures by Letter - Y | 0 | - | 4.21 | 26,471 |
| Pictures by Letter - R | 0 | - | 4.05 | 24,952 |
| Pictures by Letter - K | 0 | - | 4.18 | 25,313 |
| Pictures by Letter - I | 0 | - | 4.16 | 30,601 |
| Pictures by Letter - N | 0 | - | 4.11 | 24,676 |
| Pictures by Letter - P | 0 | - | 4.05 | 26,222 |
| Pictures by Letter - U | 0 | - | 4.10 | 20,950 |
| Pictures by Letter - T | 0 | - | 4.34 | 27,881 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,569 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 105,494 |
| Play-Doh People from History | 0 | - | 4.99 | 95,676 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 62,208 |
| All Country Flags of the World | 0 | - | 5.00 | 3,719,334 |
| Pictures by Letter - H | 0 | - | 3.97 | 30,680 |
| Pictures by Letter - C | 0 | - | 4.00 | 30,425 |
| Pictures by Letter - O | 0 | - | 3.98 | 28,865 |
| Pictures by Letter - Q | 0 | - | 3.92 | 20,587 |
| Pictures by Letter - S | 0 | - | 3.82 | 21,124 |
| Pictures by Letter - W | 0 | - | 3.87 | 20,301 |
| Pictures by Letter - V | 0 | - | 4.00 | 18,130 |
| Years in History by Picture | 0 | - | 4.45 | 35,892 |
| Famous Foreheads #1 | 0 | - | 4.47 | 75,494 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,546,880 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,097,705 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 736,803 |
| Name that Object #1 | 0 | - | 3.57 | 96,646 |
| Animals by Skeleton Image | 0 | - | 4.81 | 46,990 |
| Make a Stained Glass Window | 0 | - | 5.00 | 69,130 |
| Flags with Crescents | 0 | - | 4.98 | 171,538 |
| Country Flag Trivia | 0 | - | 4.82 | 58,191 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 105,036 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,536 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,744 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 68,057 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 86,081 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.81 | 53,564 |
| Ultimate Car Logos Quiz | 0 | - | 4.81 | 184,470 |
| National Football Team Logos | 0 | - | 4.85 | 182,061 |
| Old Movies by Picture | 0 | - | 4.51 | 25,282 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 47,329 |
| Random Logos Quiz | 0 | - | 4.33 | 209,795 |
| Fruits by Picture | 0 | - | 4.19 | 809,615 |
| Geography by Picture - B | 0 | - | 4.42 | 55,806 |
| Geography by Picture - H | 0 | - | 4.50 | 58,407 |
| Geography by Picture - N | 0 | - | 4.45 | 42,369 |
| Geography by Picture - R | 0 | - | 4.56 | 41,170 |
| Geography by Picture - T | 0 | - | 4.54 | 58,023 |
| Flags to Languages | 0 | - | 4.95 | 174,611 |
| All North American Pro Sports Logos | 0 | - | 4.72 | 116,519 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 51,081 |
| Name that Object #2 | 0 | - | 3.63 | 15,537 |
| Name that Object #3 | 0 | - | 3.93 | 14,475 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,927 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 340,485 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,564 |
| Car Logos Quiz #1 | 0 | - | 4.52 | 544,623 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 84,801 |
| Name that Bug | 0 | - | 4.12 | 45,651 |
| Islands by Shape #1 | 0 | - | 4.33 | 84,534 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 58,300 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,997 |
| Elements by Picture | 0 | - | 4.27 | 70,349 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,529 |
| Islands by Picture | 0 | - | 4.28 | 107,882 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,473 |
| Animals by Close-up Image | 0 | - | 4.42 | 219,131 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 46,042 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,511 |
| Mammals by Picture #1 | 0 | - | 4.70 | 92,501 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 48,232 |
| International Footballers by Picture | 0 | - | 4.51 | 56,509 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 286,935 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 109,312 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.51 | 51,572 |
| Geography by Picture - A | 0 | - | 4.39 | 60,459 |
| Geography by Picture - D | 0 | - | 4.15 | 45,806 |
| Geography by Picture - F | 0 | - | 4.31 | 51,207 |
| Geography by Picture - G | 0 | - | 4.39 | 48,100 |
| Geography by Picture - J | 0 | - | 4.16 | 38,619 |
| Geography by Picture - K | 0 | - | 4.29 | 33,269 |
| Geography by Picture - C | 0 | - | 4.31 | 57,258 |
| Geography by Picture - L | 0 | - | 4.37 | 59,155 |
| Geography by Picture - M | 0 | - | 4.14 | 40,598 |
| Geography by Picture - P | 0 | - | 4.24 | 42,586 |
| Geography by Picture - S | 0 | - | 4.38 | 47,195 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 282,244 |
| Flag Maths | 0 | - | 4.61 | 57,856 |
| Satellite Images #1 | 0 | - | 4.46 | 130,030 |
| Satellite Images Quiz #2 | 0 | - | 4.64 | 109,727 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,421 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,276 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,246 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,619 |
| Soccer Team Logos | 0 | - | 4.26 | 377,963 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 264,089 |
| Video Game Logos Quiz | 0 | - | 4.40 | 185,169 |
| Movie Logos | 0 | - | 4.33 | 240,604 |
| Brand Logos That Start with A | 0 | - | 4.52 | 71,255 |
| History by Picture - A | 0 | - | 4.26 | 46,192 |
| History by Picture - B | 0 | - | 4.40 | 49,387 |
| History by Picture - C | 0 | - | 4.33 | 54,924 |
| History by Picture - F | 0 | - | 4.35 | 38,230 |
| History by Picture - G | 0 | - | 4.40 | 42,472 |
| History by Picture - D | 0 | - | 4.29 | 44,693 |
| History by Picture - E | 0 | - | 4.25 | 44,277 |
| History by Picture - H | 0 | - | 4.37 | 37,119 |
| History by Picture - K | 0 | - | 4.35 | 33,649 |
| History by Picture - M | 0 | - | 4.17 | 36,426 |
| History by Picture - N | 0 | - | 4.40 | 41,560 |
| History by Picture - O | 0 | - | 4.39 | 36,579 |
| History by Picture - T | 0 | - | 4.20 | 33,567 |
| Name that Nut, Seed, or Bean | 0 | - | 4.57 | 57,836 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 104,752 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,551 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,439,918 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 119,870 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,912 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 269,855 |
| Foods by Picture | 0 | - | 3.81 | 226,696 |
| Flowers by Picture | 0 | - | 4.46 | 105,884 |
| Junk Foods by Picture | 0 | - | 3.69 | 96,803 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,966 |
| Christmas by Picture | 0 | - | 4.26 | 28,236 |
| Hats by Picture | 0 | - | 4.21 | 18,024 |
| Weapons by Picture | 0 | - | 4.13 | 21,211 |
| Cars by Picture | 0 | - | 3.89 | 41,840 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,391 |
| Authors by Picture | 0 | - | 4.48 | 25,641 |
| Plants by Picture | 0 | - | 4.24 | 14,527 |
| Fruit and Vegetable Emojis | 0 | - | 4.45 | 91,015 |
| WWII Figures by Picture | 0 | - | 4.89 | 66,394 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 56,200 |
| Planets By Picture Quiz | 0 | - | 4.49 | 57,438 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 66,551 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 59,349 |
| Fish by Picture #1 | 0 | - | 4.41 | 109,092 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,916 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,527 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,367 |
| Birds by Picture #1 | 0 | - | 4.47 | 42,086 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,588 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 165,833 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,796 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,704 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 51,391 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 72,162 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.14 | 79,805 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 72,869 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 96,144 |
| Women in History by Picture | 0 | - | 4.25 | 26,048 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 46,367 |
| Famous Foreheads #2 | 0 | - | 3.17 | 15,872 |
| Name that Historical Figure #3 | 0 | - | 4.37 | 246,765 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 160,901 |
| Name that Historical Figure #6 | 0 | - | 4.26 | 94,736 |
| Musicians by Picture #1 | 0 | - | 4.38 | 110,166 |
| Musicians by Picture #2 | 0 | - | 4.29 | 77,478 |
| Musicians by Picture #4 | 0 | - | 4.07 | 65,685 |
| Musicians by Picture #3 | 0 | - | 4.10 | 59,614 |
| Geography by Picture - E | 0 | - | 3.54 | 47,505 |
| Landforms by Picture | 0 | - | 4.31 | 20,758 |
| Geography by Picture - I | 0 | - | 4.00 | 39,546 |
| Geography by Picture - O | 0 | - | 4.01 | 28,260 |
| Emoji Flags | 0 | - | 4.35 | 44,303 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.69 | 38,259 |
| Languages by Combined Flags | 0 | - | 4.53 | 100,728 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,677 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 67,033 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 71,323 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,945 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 396,266 |
| Airline Logos | 0 | - | 4.45 | 141,498 |
| Fast Food Logos Quiz | 0 | - | 4.45 | 249,626 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 160,042 |
| Brand Logos That Start With M | 0 | - | 4.38 | 63,605 |
| Brand Logos That Start With S | 0 | - | 4.37 | 58,375 |
| Brand Logos That Start With B | 0 | - | 4.38 | 60,722 |
| Brand Logos That Start With D | 0 | - | 4.37 | 62,269 |
| Brand Logos That Start With L | 0 | - | 4.40 | 61,989 |
| Brand Logos That Start With C | 0 | - | 4.21 | 50,188 |
| History by Picture - I | 0 | - | 4.24 | 26,478 |
| History by Picture - J | 0 | - | 4.18 | 26,971 |
| History by Picture - L | 0 | - | 4.18 | 31,046 |
| History by Picture - P | 0 | - | 4.08 | 25,507 |
| History by Picture - Q | 0 | - | 4.03 | 22,277 |
| History by Picture - R | 0 | - | 4.13 | 27,078 |
| History by Picture - S | 0 | - | 4.14 | 28,006 |
