| Pictures by Letter - A | 0 | - | 4.18 | 33,629 |
| Pictures by Letter - J | 0 | - | 4.31 | 40,259 |
| Pictures by Letter - B | 0 | - | 4.32 | 44,243 |
| Pictures by Letter - D | 0 | - | 4.14 | 37,794 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,993 |
| Former Countries by Territory Map | 0 | - | 4.96 | 103,741 |
| Empires by Maps | 0 | - | 4.98 | 121,878 |
| Pictures by Letter - E | 0 | - | 3.51 | 34,647 |
| Pictures by Letter - G | 0 | - | 4.14 | 28,370 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,753 |
| Pictures by Letter - F | 0 | - | 4.18 | 29,253 |
| Pictures by Letter - Y | 0 | - | 4.21 | 26,443 |
| Pictures by Letter - R | 0 | - | 4.05 | 24,914 |
| Pictures by Letter - K | 0 | - | 4.18 | 25,286 |
| Pictures by Letter - I | 0 | - | 4.16 | 30,558 |
| Pictures by Letter - N | 0 | - | 4.11 | 24,646 |
| Pictures by Letter - P | 0 | - | 4.05 | 26,199 |
| Pictures by Letter - U | 0 | - | 4.10 | 20,922 |
| Pictures by Letter - T | 0 | - | 4.34 | 27,847 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,496 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 105,271 |
| Play-Doh People from History | 0 | - | 4.99 | 95,470 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 62,057 |
| All Country Flags of the World | 0 | - | 5.00 | 3,708,700 |
| Pictures by Letter - H | 0 | - | 3.97 | 30,651 |
| Pictures by Letter - C | 0 | - | 4.00 | 30,395 |
| Pictures by Letter - O | 0 | - | 3.98 | 28,833 |
| Pictures by Letter - Q | 0 | - | 3.92 | 20,565 |
| Pictures by Letter - S | 0 | - | 3.82 | 21,096 |
| Pictures by Letter - W | 0 | - | 3.87 | 20,276 |
| Pictures by Letter - V | 0 | - | 4.00 | 18,105 |
| Years in History by Picture | 0 | - | 4.44 | 35,760 |
| Famous Foreheads #1 | 0 | - | 4.47 | 75,386 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,545,079 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,096,760 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 736,146 |
| Name that Object #1 | 0 | - | 3.57 | 96,607 |
| Animals by Skeleton Image | 0 | - | 4.81 | 46,903 |
| Make a Stained Glass Window | 0 | - | 5.00 | 69,008 |
| Flags with Crescents | 0 | - | 4.98 | 171,197 |
| Country Flag Trivia | 0 | - | 4.81 | 57,917 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,805 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,346 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,483 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,875 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,913 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.81 | 53,429 |
| Ultimate Car Logos Quiz | 0 | - | 4.81 | 183,729 |
| National Football Team Logos | 0 | - | 4.85 | 181,704 |
| Old Movies by Picture | 0 | - | 4.51 | 25,248 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 47,285 |
| Random Logos Quiz | 0 | - | 4.33 | 209,459 |
| Fruits by Picture | 0 | - | 4.19 | 809,018 |
| Geography by Picture - B | 0 | - | 4.42 | 55,764 |
| Geography by Picture - H | 0 | - | 4.50 | 58,364 |
| Geography by Picture - N | 0 | - | 4.45 | 42,331 |
| Geography by Picture - R | 0 | - | 4.56 | 41,137 |
| Geography by Picture - T | 0 | - | 4.54 | 57,991 |
| Flags to Languages | 0 | - | 4.95 | 174,428 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 116,276 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,981 |
| Name that Object #2 | 0 | - | 3.63 | 15,514 |
| Name that Object #3 | 0 | - | 3.93 | 14,454 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,833 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 339,321 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,403 |
| Car Logos Quiz #1 | 0 | - | 4.52 | 543,667 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 84,691 |
| Name that Bug | 0 | - | 4.12 | 45,627 |
| Islands by Shape #1 | 0 | - | 4.33 | 84,497 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 58,248 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,959 |
| Elements by Picture | 0 | - | 4.27 | 70,288 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,503 |
| Islands by Picture | 0 | - | 4.28 | 107,706 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,439 |
| Animals by Close-up Image | 0 | - | 4.42 | 219,002 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,986 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,465 |
| Mammals by Picture #1 | 0 | - | 4.70 | 92,395 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 48,191 |
| International Footballers by Picture | 0 | - | 4.51 | 56,347 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 285,955 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 108,533 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.51 | 51,180 |
| Geography by Picture - A | 0 | - | 4.39 | 60,414 |
| Geography by Picture - D | 0 | - | 4.15 | 45,772 |
| Geography by Picture - F | 0 | - | 4.31 | 51,155 |
| Geography by Picture - G | 0 | - | 4.39 | 48,066 |
| Geography by Picture - J | 0 | - | 4.16 | 38,581 |
| Geography by Picture - K | 0 | - | 4.29 | 33,235 |
| Geography by Picture - C | 0 | - | 4.31 | 57,217 |
| Geography by Picture - L | 0 | - | 4.37 | 59,120 |
| Geography by Picture - M | 0 | - | 4.14 | 40,568 |
| Geography by Picture - P | 0 | - | 4.24 | 42,554 |
| Geography by Picture - S | 0 | - | 4.38 | 47,171 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 281,933 |
| Flag Maths | 0 | - | 4.61 | 57,826 |
| Satellite Images #1 | 0 | - | 4.47 | 129,937 |
| Satellite Images Quiz #2 | 0 | - | 4.64 | 109,625 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,182 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,193 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,179 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,518 |
| Soccer Team Logos | 0 | - | 4.26 | 377,355 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 263,717 |
| Video Game Logos Quiz | 0 | - | 4.40 | 184,949 |
| Movie Logos | 0 | - | 4.33 | 240,222 |
| Brand Logos That Start with A | 0 | - | 4.52 | 71,102 |
| History by Picture - A | 0 | - | 4.26 | 46,112 |
| History by Picture - B | 0 | - | 4.40 | 49,309 |
| History by Picture - C | 0 | - | 4.33 | 54,837 |
| History by Picture - F | 0 | - | 4.35 | 38,161 |
| History by Picture - G | 0 | - | 4.40 | 42,396 |
| History by Picture - D | 0 | - | 4.29 | 44,620 |
| History by Picture - E | 0 | - | 4.25 | 44,201 |
| History by Picture - H | 0 | - | 4.37 | 37,050 |
| History by Picture - K | 0 | - | 4.35 | 33,582 |
| History by Picture - M | 0 | - | 4.17 | 36,367 |
| History by Picture - N | 0 | - | 4.40 | 41,502 |
| History by Picture - O | 0 | - | 4.39 | 36,531 |
| History by Picture - T | 0 | - | 4.20 | 33,518 |
| Name that Nut, Seed, or Bean | 0 | - | 4.57 | 57,617 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 104,604 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,349 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,436,925 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 119,772 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,829 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 269,711 |
| Foods by Picture | 0 | - | 3.81 | 226,525 |
| Flowers by Picture | 0 | - | 4.46 | 105,840 |
| Junk Foods by Picture | 0 | - | 3.69 | 96,650 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,940 |
| Christmas by Picture | 0 | - | 4.26 | 28,227 |
| Hats by Picture | 0 | - | 4.21 | 18,017 |
| Weapons by Picture | 0 | - | 4.13 | 21,171 |
| Cars by Picture | 0 | - | 3.89 | 41,796 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,373 |
| Authors by Picture | 0 | - | 4.48 | 25,626 |
| Plants by Picture | 0 | - | 4.24 | 14,520 |
| Fruit and Vegetable Emojis | 0 | - | 4.45 | 90,833 |
| WWII Figures by Picture | 0 | - | 4.89 | 66,183 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 56,138 |
| Planets By Picture Quiz | 0 | - | 4.49 | 57,317 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 66,457 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 59,273 |
| Fish by Picture #1 | 0 | - | 4.41 | 109,038 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,833 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,479 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,328 |
| Birds by Picture #1 | 0 | - | 4.47 | 42,022 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,544 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 165,755 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,733 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,647 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 51,354 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 72,087 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.14 | 79,738 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 72,798 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 96,045 |
| Women in History by Picture | 0 | - | 4.25 | 26,019 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 46,339 |
| Famous Foreheads #2 | 0 | - | 3.17 | 15,848 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 240,616 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 160,044 |
| Name that Historical Figure #6 | 0 | - | 4.26 | 94,020 |
| Musicians by Picture #1 | 0 | - | 4.38 | 109,926 |
| Musicians by Picture #2 | 0 | - | 4.29 | 77,308 |
| Musicians by Picture #4 | 0 | - | 4.07 | 65,535 |
| Musicians by Picture #3 | 0 | - | 4.10 | 59,493 |
| Geography by Picture - E | 0 | - | 3.55 | 47,479 |
| Landforms by Picture | 0 | - | 4.31 | 20,741 |
| Geography by Picture - I | 0 | - | 4.00 | 39,522 |
| Geography by Picture - O | 0 | - | 4.01 | 28,233 |
| Emoji Flags | 0 | - | 4.35 | 44,266 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.68 | 38,203 |
| Languages by Combined Flags | 0 | - | 4.53 | 100,604 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,614 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 66,925 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 71,218 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,921 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 395,572 |
| Airline Logos | 0 | - | 4.45 | 141,374 |
| Fast Food Logos Quiz | 0 | - | 4.45 | 249,376 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 159,838 |
| Brand Logos That Start With M | 0 | - | 4.38 | 63,465 |
| Brand Logos That Start With S | 0 | - | 4.37 | 58,224 |
| Brand Logos That Start With B | 0 | - | 4.38 | 60,589 |
| Brand Logos That Start With D | 0 | - | 4.36 | 62,139 |
| Brand Logos That Start With L | 0 | - | 4.39 | 61,850 |
| Brand Logos That Start With C | 0 | - | 4.20 | 50,086 |
| History by Picture - I | 0 | - | 4.24 | 26,426 |
| History by Picture - J | 0 | - | 4.18 | 26,917 |
| History by Picture - L | 0 | - | 4.18 | 30,994 |
| History by Picture - P | 0 | - | 4.08 | 25,461 |
| History by Picture - Q | 0 | - | 4.03 | 22,245 |
| History by Picture - R | 0 | - | 4.13 | 27,035 |
| History by Picture - S | 0 | - | 4.14 | 27,968 |
| History by Picture - U | 0 | - | 4.25 | 25,307 |
| History by Picture - V | 0 | - | 4.31 | 25,297 |
