| Pictures by Letter - A | 0 | - | 4.17 | 33,216 |
| Pictures by Letter - J | 0 | - | 4.31 | 39,818 |
| Pictures by Letter - B | 0 | - | 4.31 | 43,705 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,607 |
| Former Countries by Territory Map | 0 | - | 4.96 | 101,952 |
| Empires by Maps | 0 | - | 4.98 | 119,041 |
| Pictures by Letter - E | 0 | - | 3.49 | 34,342 |
| Pictures by Letter - G | 0 | - | 4.14 | 27,986 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,402 |
| Pictures by Letter - F | 0 | - | 4.17 | 28,877 |
| Pictures by Letter - Z | 0 | - | 4.05 | 23,348 |
| Pictures by Letter - Y | 0 | - | 4.22 | 26,158 |
| Pictures by Letter - R | 0 | - | 4.09 | 24,649 |
| Pictures by Letter - K | 0 | - | 4.18 | 24,982 |
| Pictures by Letter - I | 0 | - | 4.16 | 30,241 |
| Pictures by Letter - N | 0 | - | 4.11 | 24,376 |
| Pictures by Letter - P | 0 | - | 4.05 | 25,919 |
| Pictures by Letter - U | 0 | - | 4.10 | 20,676 |
| Pictures by Letter - T | 0 | - | 4.34 | 27,544 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,076 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 103,183 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,187 |
| All Country Flags of the World | 0 | - | 5.00 | 3,620,203 |
| Pictures by Letter - H | 0 | - | 3.97 | 30,343 |
| Pictures by Letter - C | 0 | - | 3.99 | 30,062 |
| Pictures by Letter - O | 0 | - | 3.98 | 28,570 |
| Pictures by Letter - Q | 0 | - | 3.92 | 20,329 |
| Pictures by Letter - S | 0 | - | 3.82 | 20,838 |
| Pictures by Letter - W | 0 | - | 3.92 | 20,040 |
| Pictures by Letter - V | 0 | - | 4.00 | 17,884 |
| Years in History by Picture | 0 | - | 4.44 | 35,233 |
| Famous Foreheads #1 | 0 | - | 4.47 | 74,423 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,529,634 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,088,956 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 730,787 |
| Name that Object #1 | 0 | - | 3.56 | 96,347 |
| Make a Stained Glass Window | 0 | - | 5.00 | 68,031 |
| Flags with Crescents | 0 | - | 4.98 | 168,082 |
| Country Flag Trivia | 0 | - | 4.81 | 56,207 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,761 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,727 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 86,291 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 66,694 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 84,598 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,257 |
| National Football Team Logos | 0 | - | 4.85 | 179,265 |
| Old Movies by Picture | 0 | - | 4.51 | 24,910 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 46,780 |
| Random Logos Quiz | 0 | - | 4.31 | 207,447 |
| Fruits by Picture | 0 | - | 4.20 | 805,471 |
| Geography by Picture - B | 0 | - | 4.42 | 55,472 |
| Geography by Picture - H | 0 | - | 4.50 | 58,093 |
| Geography by Picture - N | 0 | - | 4.45 | 42,088 |
| Geography by Picture - R | 0 | - | 4.56 | 40,917 |
| Geography by Picture - T | 0 | - | 4.54 | 57,724 |
| Flags to Languages | 0 | - | 4.95 | 172,842 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 113,839 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,177 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 83,502 |
| Name that Object #2 | 0 | - | 3.64 | 15,354 |
| Name that Object #3 | 0 | - | 3.93 | 14,326 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,011 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 336,185 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,619 |
| Car Logos Quiz #1 | 0 | - | 4.44 | 534,444 |
| Name that Bug | 0 | - | 4.12 | 45,488 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,229 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 57,725 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,492 |
| Elements by Picture | 0 | - | 4.28 | 69,675 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,209 |
| Islands by Picture | 0 | - | 4.29 | 106,214 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,130 |
| Animals by Skeleton Image | 0 | - | 4.80 | 46,122 |
| Animals by Close-up Image | 0 | - | 4.42 | 217,187 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,376 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,020 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,332 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 47,843 |
| International Footballers by Picture | 0 | - | 4.50 | 55,012 |
| Name that Historical Figure #2 | 0 | - | 4.43 | 283,336 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 106,999 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.50 | 50,489 |
| Geography by Picture - A | 0 | - | 4.39 | 60,104 |
| Geography by Picture - D | 0 | - | 4.15 | 45,538 |
| Geography by Picture - F | 0 | - | 4.31 | 50,873 |
| Geography by Picture - G | 0 | - | 4.38 | 47,842 |
| Geography by Picture - J | 0 | - | 4.16 | 38,364 |
| Geography by Picture - K | 0 | - | 4.29 | 33,043 |
| Geography by Picture - C | 0 | - | 4.31 | 56,962 |
| Geography by Picture - L | 0 | - | 4.37 | 58,821 |
| Geography by Picture - M | 0 | - | 4.14 | 40,370 |
| Geography by Picture - P | 0 | - | 4.24 | 42,332 |
| Geography by Picture - S | 0 | - | 4.38 | 46,950 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 279,004 |
| Flag Maths | 0 | - | 4.74 | 57,696 |
| Satellite Images #1 | 0 | - | 4.46 | 129,125 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,089 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,736 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,732 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,864 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,561 |
| Soccer Team Logos | 0 | - | 4.26 | 371,996 |
| Ultimate Car Logos Quiz | 0 | - | 4.80 | 177,496 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 260,162 |
| Video Game Logos Quiz | 0 | - | 4.40 | 183,072 |
| Movie Logos | 0 | - | 4.33 | 236,650 |
| Brand Logos That Start With M | 0 | - | 4.45 | 62,091 |
| Brand Logos That Start with A | 0 | - | 4.51 | 69,605 |
| History by Picture - A | 0 | - | 4.25 | 45,559 |
| History by Picture - B | 0 | - | 4.40 | 48,692 |
| History by Picture - C | 0 | - | 4.36 | 54,201 |
| History by Picture - F | 0 | - | 4.35 | 37,689 |
| History by Picture - G | 0 | - | 4.40 | 41,936 |
| History by Picture - D | 0 | - | 4.29 | 44,106 |
| History by Picture - E | 0 | - | 4.27 | 43,725 |
| History by Picture - H | 0 | - | 4.37 | 36,627 |
| History by Picture - K | 0 | - | 4.35 | 33,187 |
| History by Picture - M | 0 | - | 4.17 | 35,987 |
| History by Picture - N | 0 | - | 4.40 | 41,071 |
| History by Picture - O | 0 | - | 4.39 | 36,127 |
| History by Picture - T | 0 | - | 4.20 | 33,168 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 56,976 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 103,059 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,805 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,408,413 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,649 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 104,891 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 268,258 |
| Foods by Picture | 0 | - | 3.81 | 225,672 |
| Flowers by Picture | 0 | - | 4.46 | 105,100 |
| Junk Foods by Picture | 0 | - | 3.69 | 96,125 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,594 |
| Christmas by Picture | 0 | - | 4.25 | 28,119 |
| Hats by Picture | 0 | - | 4.21 | 17,918 |
| Weapons by Picture | 0 | - | 4.13 | 20,943 |
| Cars by Picture | 0 | - | 3.89 | 41,202 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,249 |
| Authors by Picture | 0 | - | 4.48 | 25,444 |
| Plants by Picture | 0 | - | 4.24 | 14,374 |
| Fruit and Vegetable Emojis | 0 | - | 4.43 | 79,711 |
| WWII Figures by Picture | 0 | - | 4.85 | 50,753 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 55,330 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,378 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 65,554 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 58,572 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,238 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,086 |
| Mammals by Picture #3 | 0 | - | 4.39 | 61,876 |
| Mammals by Picture #4 | 0 | - | 4.03 | 33,986 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,301 |
| Mammals by Picture #2 | 0 | - | 4.28 | 57,999 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 164,630 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,147 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,222 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 51,000 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 71,392 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.13 | 79,129 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 72,075 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 94,807 |
| Women in History by Picture | 0 | - | 4.25 | 25,799 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 45,993 |
| Famous Foreheads #2 | 0 | - | 3.17 | 15,695 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 238,384 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 158,432 |
| Name that Historical Figure #6 | 0 | - | 4.27 | 92,761 |
| Musicians by Picture #1 | 0 | - | 4.39 | 107,633 |
| Musicians by Picture #2 | 0 | - | 4.29 | 75,633 |
| Musicians by Picture #4 | 0 | - | 4.07 | 64,305 |
| Musicians by Picture #3 | 0 | - | 4.10 | 58,531 |
| Geography by Picture - E | 0 | - | 3.55 | 47,305 |
| Landforms by Picture | 0 | - | 4.31 | 20,603 |
| Geography by Picture - I | 0 | - | 4.00 | 39,343 |
| Emoji Flags | 0 | - | 4.35 | 43,887 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.64 | 37,582 |
| Languages by Combined Flags | 0 | - | 4.53 | 99,406 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,291 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 65,938 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,286 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,708 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 393,466 |
| Airline Logos | 0 | - | 4.45 | 140,173 |
| Fast Food Logos Quiz | 0 | - | 4.44 | 247,376 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 158,208 |
| Brand Logos That Start With S | 0 | - | 4.37 | 57,002 |
| Brand Logos That Start With B | 0 | - | 4.38 | 59,470 |
| Brand Logos That Start With D | 0 | - | 4.37 | 60,956 |
| Brand Logos That Start With L | 0 | - | 4.39 | 60,498 |
| Brand Logos That Start With C | 0 | - | 4.17 | 49,220 |
| History by Picture - I | 0 | - | 4.26 | 26,079 |
| History by Picture - J | 0 | - | 4.18 | 26,591 |
| History by Picture - L | 0 | - | 4.18 | 30,625 |
| History by Picture - P | 0 | - | 4.08 | 25,178 |
| History by Picture - Q | 0 | - | 4.03 | 21,966 |
| History by Picture - R | 0 | - | 4.13 | 26,713 |
| History by Picture - S | 0 | - | 4.14 | 27,660 |
| History by Picture - U | 0 | - | 4.24 | 24,995 |
| History by Picture - V | 0 | - | 4.30 | 24,971 |
| History by Picture - W | 0 | - | 4.01 | 21,534 |
| Vegetables by Picture | 0 | - | 4.39 | 63,019 |
