| Pictures by Letter - J | 0 | - | 4.27 | 37,937 |
| Pictures by Letter - B | 0 | - | 4.27 | 41,500 |
| Pictures by Letter - D | 0 | - | 4.17 | 35,510 |
| Pictures by Letter - M | 0 | - | 4.21 | 35,977 |
| Former Countries by Territory Map | 0 | - | 4.96 | 93,095 |
| Empires by Maps | 0 | - | 4.99 | 105,817 |
| Pictures by Letter - E | 0 | - | 3.47 | 32,990 |
| Pictures by Letter - C | 0 | - | 4.01 | 28,538 |
| Pictures by Letter - G | 0 | - | 4.10 | 26,464 |
| Pictures by Letter - L | 0 | - | 4.12 | 28,916 |
| Pictures by Letter - F | 0 | - | 4.13 | 27,312 |
| Pictures by Letter - Z | 0 | - | 4.15 | 22,234 |
| Pictures by Letter - Y | 0 | - | 4.19 | 24,893 |
| Pictures by Letter - R | 0 | - | 4.10 | 23,397 |
| Pictures by Letter - K | 0 | - | 4.14 | 23,693 |
| Pictures by Letter - I | 0 | - | 4.16 | 28,721 |
| Pictures by Letter - N | 0 | - | 4.11 | 23,096 |
| Pictures by Letter - P | 0 | - | 4.04 | 24,691 |
| Pictures by Letter - U | 0 | - | 4.07 | 19,544 |
| Pictures by Letter - T | 0 | - | 4.32 | 26,175 |
| Islands by Shape #2 | 0 | - | 4.87 | 46,704 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.97 | 92,694 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 57,319 |
| All Country Flags of the World | 0 | - | 5.00 | 3,263,226 |
| Pictures by Letter - O | 0 | - | 3.95 | 27,460 |
| Pictures by Letter - Q | 0 | - | 3.89 | 19,297 |
| Pictures by Letter - S | 0 | - | 3.80 | 19,744 |
| Pictures by Letter - W | 0 | - | 3.92 | 19,049 |
| Pictures by Letter - V | 0 | - | 3.95 | 16,924 |
| Years in History by Picture | 0 | - | 4.44 | 32,131 |
| Famous Foreheads #1 | 0 | - | 4.47 | 70,304 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,447,017 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,047,088 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 701,054 |
| Name that Object #1 | 0 | - | 3.57 | 95,537 |
| Name that Object #3 | 0 | - | 4.04 | 13,772 |
| Make a Stained Glass Window | 0 | - | 4.99 | 63,381 |
| Flags with Crescents | 0 | - | 4.98 | 154,823 |
| Country Flag Trivia | 0 | - | 4.82 | 50,074 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 93,781 |
| Country Flags with the Union Jack | 0 | - | 4.81 | 62,023 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 76,088 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 60,374 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.85 | 68,157 |
| Flag Maths | 0 | - | 4.92 | 54,029 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 46,906 |
| National Soccer Team Logos | 0 | - | 4.83 | 167,284 |
| Old Movies by Picture | 0 | - | 4.51 | 22,985 |
| Musical Instruments by Picture #2 | 0 | - | 4.23 | 44,695 |
| Classic Movies by Movie Posters | 0 | - | 4.44 | 22,833 |
| Random Logos Quiz | 0 | - | 4.34 | 198,365 |
| Fruits by Picture | 0 | - | 4.19 | 762,860 |
| Geography by Picture - B | 0 | - | 4.41 | 53,974 |
| Geography by Picture - H | 0 | - | 4.49 | 56,726 |
| Geography by Picture - N | 0 | - | 4.43 | 40,893 |
| Geography by Picture - R | 0 | - | 4.55 | 39,782 |
| Geography by Picture - T | 0 | - | 4.54 | 56,330 |
| Flags to Languages | 0 | - | 4.95 | 165,297 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 103,322 |
| History by Picture - N | 0 | - | 4.43 | 38,870 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.96 | 45,868 |
| Name that Object #2 | 0 | - | 3.65 | 14,744 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 50,743 |
| Name the Pixelated Landmark | 0 | - | 4.82 | 58,714 |
| Car Logos Quiz #1 | 0 | - | 4.53 | 498,894 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 78,336 |
| Name that Bug | 0 | - | 4.10 | 44,636 |
| Islands by Shape #1 | 0 | - | 4.28 | 72,626 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 55,425 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 48,523 |
| Elements by Picture | 0 | - | 4.28 | 66,602 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.47 | 28,159 |
| Islands by Picture | 0 | - | 4.29 | 99,362 |
| Animals by Skeleton Image | 0 | - | 4.80 | 41,701 |
| Animals by Close-up Image | 0 | - | 4.41 | 209,741 |
| Mammals by Picture #3 | 0 | - | 4.43 | 58,425 |
| Aquatic Mammals by Picture | 0 | - | 4.42 | 42,415 |
| Extinct Animals by Picture | 0 | - | 4.48 | 32,672 |
| Mammals by Picture #1 | 0 | - | 4.73 | 86,571 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 46,052 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 306,849 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 258,814 |
| Name that Historical Figure #5 | 0 | - | 4.41 | 97,437 |
| Geography by Picture - A | 0 | - | 4.37 | 58,558 |
| Geography by Picture - D | 0 | - | 4.14 | 44,385 |
| Geography by Picture - F | 0 | - | 4.30 | 49,602 |
| Geography by Picture - G | 0 | - | 4.39 | 46,654 |
| Geography by Picture - J | 0 | - | 4.15 | 37,385 |
| Geography by Picture - K | 0 | - | 4.28 | 32,073 |
| Geography by Picture - C | 0 | - | 4.30 | 55,604 |
| Geography by Picture - L | 0 | - | 4.35 | 57,352 |
| Geography by Picture - M | 0 | - | 4.12 | 39,400 |
| Geography by Picture - P | 0 | - | 4.25 | 41,304 |
| Geography by Picture - S | 0 | - | 4.36 | 45,805 |
| Random Flags Quiz | 0 | - | 4.41 | 267,109 |
| Satellite Images Quiz #1 | 0 | - | 4.49 | 125,927 |
| Satellite Images Quiz #2 | 0 | - | 4.64 | 106,577 |
| Satellite Images Quiz #4 | 0 | - | 4.54 | 86,861 |
| Satellite Images Quiz #5 | 0 | - | 4.46 | 47,873 |
| Satellite Images Quiz #6 | 0 | - | 4.53 | 37,386 |
| Cities by Picture #1 | 0 | - | 4.70 | 81,428 |
| Soccer Team Logos | 0 | - | 4.26 | 349,370 |
| Ultimate Car Logos Quiz | 0 | - | 4.71 | 152,215 |
| Car Logos Quiz #2 | 0 | - | 4.42 | 244,449 |
| Video Game Logos Quiz | 0 | - | 4.37 | 160,524 |
| Movie Logos | 0 | - | 4.31 | 218,136 |
| Brand Logos That Start With M | 0 | - | 4.43 | 55,583 |
| Brand Logos That Start With B | 0 | - | 4.45 | 54,196 |
| Brand Logos That Start with A | 0 | - | 4.54 | 63,093 |
| History by Picture - A | 0 | - | 4.23 | 42,870 |
| History by Picture - B | 0 | - | 4.38 | 45,796 |
| History by Picture - C | 0 | - | 4.36 | 51,175 |
| History by Picture - F | 0 | - | 4.33 | 35,334 |
| History by Picture - G | 0 | - | 4.39 | 39,554 |
| History by Picture - D | 0 | - | 4.29 | 41,496 |
| History by Picture - E | 0 | - | 4.29 | 41,224 |
| History by Picture - H | 0 | - | 4.37 | 34,417 |
| History by Picture - M | 0 | - | 4.19 | 34,029 |
| History by Picture - O | 0 | - | 4.38 | 34,019 |
| Name that Nut, Seed, or Bean | 0 | - | 4.57 | 53,574 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 95,637 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 136,187 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 99,724 |
| Art Works Picture Quiz #2 | 0 | - | 4.48 | 88,906 |
| Musical Instruments by Picture #1 | 0 | - | 4.53 | 261,662 |
| Foods by Picture | 0 | - | 3.79 | 220,895 |
| Shapes and Symbols #2 | 0 | - | 4.03 | 56,254 |
| Flowers by Picture | 0 | - | 4.47 | 102,979 |
| Junk Foods by Picture | 0 | - | 3.69 | 92,764 |
| Art Works Picture Quiz #3 | 0 | - | 4.41 | 42,874 |
| Christmas by Picture | 0 | - | 4.28 | 26,874 |
| Hats by Picture | 0 | - | 4.21 | 17,514 |
| Weapons by Picture | 0 | - | 4.10 | 19,973 |
| Cars by Picture | 0 | - | 3.92 | 38,605 |
| Reptile Picture Quiz | 0 | - | 4.30 | 13,608 |
| Authors by Picture | 0 | - | 4.47 | 24,564 |
| Plants by Picture | 0 | - | 4.21 | 13,765 |
| Fruit and Vegetable Emojis | 0 | - | 4.41 | 68,873 |
| WWII Figures by Picture | 0 | - | 4.83 | 45,226 |
| College Sports Logos Quiz #3 | 0 | - | 4.27 | 50,309 |
| Planets By Picture Quiz | 0 | - | 4.49 | 52,248 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 60,943 |
| Animals A-Z by Picture | 0 | - | 4.11 | 62,774 |
| Mammals by Picture #4 | 0 | - | 4.05 | 32,185 |
| Birds by Picture #1 | 0 | - | 4.46 | 37,757 |
| Mammals by Picture #2 | 0 | - | 4.29 | 55,306 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.26 | 67,278 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.24 | 49,040 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 49,280 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.18 | 68,183 |
| 1980s Celebrities by Picture #1 | 0 | - | 4.02 | 58,872 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.13 | 75,940 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.12 | 68,499 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.17 | 89,624 |
| Women in History by Picture | 0 | - | 4.32 | 24,595 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 44,389 |
| Famous Foreheads #2 | 0 | - | 3.19 | 14,961 |
| International Footballers by Picture | 0 | - | 4.40 | 49,467 |
| Name that Historical Figure #3 | 0 | - | 4.40 | 224,283 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 147,790 |
| Name that Historical Figure #6 | 0 | - | 4.25 | 84,602 |
| Musicians by Picture #1 | 0 | - | 4.37 | 97,152 |
| Musicians by Picture #2 | 0 | - | 4.24 | 68,082 |
| Musicians by Picture #4 | 0 | - | 4.03 | 58,717 |
| Musicians by Picture #3 | 0 | - | 4.07 | 54,271 |
| Geography by Picture - E | 0 | - | 3.54 | 46,432 |
| Landforms by Picture | 0 | - | 4.35 | 19,793 |
| Geography by Picture - I | 0 | - | 3.98 | 38,491 |
| Emoji Flags | 0 | - | 4.35 | 42,248 |
| Languages by Combined Flags | 0 | - | 4.74 | 69,171 |
| Satellite Images Quiz #3 | 0 | - | 4.39 | 71,928 |
| Satellite Images - Island Chains | 0 | - | 4.44 | 61,948 |
| Islands by Satellite Image #1 | 0 | - | 4.74 | 66,246 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 26,794 |
| Landmarks Picture Quiz #1 | 0 | - | 4.18 | 370,151 |
| Airline Logos | 0 | - | 4.44 | 134,507 |
| Fast Food Logos Quiz | 0 | - | 4.42 | 237,381 |
| Mostly-American Candy Logos | 0 | - | 4.07 | 148,346 |
| Brand Logos That Start With S | 0 | - | 4.39 | 51,245 |
| Brand Logos That Start With D | 0 | - | 4.33 | 55,461 |
| Brand Logos That Start With L | 0 | - | 4.40 | 54,038 |
| Brand Logos That Start With C | 0 | - | 4.13 | 45,074 |
| History by Picture - I | 0 | - | 4.26 | 24,456 |
| History by Picture - J | 0 | - | 4.23 | 24,965 |
| History by Picture - K | 0 | - | 4.37 | 31,251 |
| History by Picture - L | 0 | - | 4.21 | 28,930 |
| History by Picture - P | 0 | - | 4.11 | 23,694 |
| History by Picture - Q | 0 | - | 4.02 | 20,684 |
| History by Picture - R | 0 | - | 4.16 | 25,115 |
| History by Picture - S | 0 | - | 4.11 | 26,148 |
| History by Picture - T | 0 | - | 4.27 | 31,293 |
| History by Picture - U | 0 | - | 4.23 | 23,521 |
| History by Picture - V | 0 | - | 4.28 | 23,500 |
| Vegetables by Picture | 0 | - | 4.38 | 58,334 |
| Pick a Picture - Musical Instruments | 0 | - | 4.52 | 48,830 |
| Songs by Picture Quiz #2 | 0 | - | 4.40 | 54,756 |
| Fish by Picture #1 | 0 | - | 4.40 | 105,114 |
| Birds by Picture #2 | 0 | - | 4.32 | 33,200 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.37 | 152,540 |
| Oscar Nominated Actresses by Picture #1 | 0 | - | 4.29 | 124,792 |
