| Pictures by Letter - A | 0 | - | 4.17 | 33,186 |
| Pictures by Letter - J | 0 | - | 4.31 | 39,782 |
| Pictures by Letter - B | 0 | - | 4.31 | 43,677 |
| Pictures by Letter - D | 0 | - | 4.16 | 37,367 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,574 |
| Former Countries by Territory Map | 0 | - | 4.96 | 101,846 |
| Empires by Maps | 0 | - | 4.98 | 118,875 |
| Pictures by Letter - E | 0 | - | 3.49 | 34,320 |
| Pictures by Letter - G | 0 | - | 4.14 | 27,967 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,379 |
| Pictures by Letter - F | 0 | - | 4.17 | 28,860 |
| Pictures by Letter - Z | 0 | - | 4.05 | 23,335 |
| Pictures by Letter - R | 0 | - | 4.09 | 24,630 |
| Pictures by Letter - K | 0 | - | 4.18 | 24,967 |
| Pictures by Letter - I | 0 | - | 4.16 | 30,225 |
| Pictures by Letter - N | 0 | - | 4.11 | 24,360 |
| Pictures by Letter - P | 0 | - | 4.05 | 25,903 |
| Pictures by Letter - U | 0 | - | 4.10 | 20,663 |
| Pictures by Letter - T | 0 | - | 4.34 | 27,527 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,049 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 103,058 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,137 |
| All Country Flags of the World | 0 | - | 5.00 | 3,614,748 |
| Pictures by Letter - H | 0 | - | 3.97 | 30,325 |
| Pictures by Letter - C | 0 | - | 3.99 | 30,043 |
| Pictures by Letter - O | 0 | - | 3.98 | 28,554 |
| Pictures by Letter - Q | 0 | - | 3.92 | 20,315 |
| Pictures by Letter - S | 0 | - | 3.82 | 20,823 |
| Pictures by Letter - W | 0 | - | 3.92 | 20,028 |
| Pictures by Letter - V | 0 | - | 4.00 | 17,873 |
| Years in History by Picture | 0 | - | 4.44 | 35,189 |
| Famous Foreheads #1 | 0 | - | 4.47 | 74,357 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,528,618 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,088,498 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 730,426 |
| Name that Object #1 | 0 | - | 3.56 | 96,334 |
| Make a Stained Glass Window | 0 | - | 5.00 | 67,963 |
| Flags with Crescents | 0 | - | 4.98 | 167,938 |
| Country Flag Trivia | 0 | - | 4.81 | 56,135 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,666 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,643 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 86,179 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 66,624 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 84,531 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,197 |
| National Football Team Logos | 0 | - | 4.84 | 179,024 |
| Old Movies by Picture | 0 | - | 4.51 | 24,882 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 46,751 |
| Random Logos Quiz | 0 | - | 4.31 | 207,294 |
| Fruits by Picture | 0 | - | 4.20 | 805,216 |
| Geography by Picture - B | 0 | - | 4.42 | 55,459 |
| Geography by Picture - H | 0 | - | 4.50 | 58,083 |
| Geography by Picture - N | 0 | - | 4.45 | 42,077 |
| Geography by Picture - R | 0 | - | 4.55 | 40,907 |
| Geography by Picture - T | 0 | - | 4.54 | 57,715 |
| Flags to Languages | 0 | - | 4.95 | 172,732 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 113,624 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,173 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 83,426 |
| Name that Object #2 | 0 | - | 3.64 | 15,344 |
| Name that Object #3 | 0 | - | 3.93 | 14,319 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 54,958 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 335,923 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,569 |
| Car Logos Quiz #1 | 0 | - | 4.44 | 533,748 |
| Name that Bug | 0 | - | 4.12 | 45,471 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,207 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 57,684 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,468 |
| Elements by Picture | 0 | - | 4.28 | 69,640 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,192 |
| Islands by Picture | 0 | - | 4.29 | 106,123 |
| Classic Movies by Movie Posters | 0 | - | 4.44 | 24,098 |
| Animals by Skeleton Image | 0 | - | 4.80 | 46,088 |
| Animals by Close-up Image | 0 | - | 4.42 | 217,097 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,334 |
| Extinct Animals by Picture | 0 | - | 4.49 | 34,989 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,275 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 47,820 |
| International Footballers by Picture | 0 | - | 4.50 | 54,911 |
| Name that Historical Figure #2 | 0 | - | 4.43 | 283,084 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 106,857 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.50 | 50,405 |
| Geography by Picture - A | 0 | - | 4.39 | 60,088 |
| Geography by Picture - D | 0 | - | 4.15 | 45,530 |
| Geography by Picture - F | 0 | - | 4.31 | 50,860 |
| Geography by Picture - G | 0 | - | 4.38 | 47,831 |
| Geography by Picture - J | 0 | - | 4.16 | 38,358 |
| Geography by Picture - K | 0 | - | 4.29 | 33,038 |
| Geography by Picture - C | 0 | - | 4.31 | 56,945 |
| Geography by Picture - L | 0 | - | 4.37 | 58,801 |
| Geography by Picture - M | 0 | - | 4.14 | 40,365 |
| Geography by Picture - P | 0 | - | 4.24 | 42,325 |
| Geography by Picture - S | 0 | - | 4.38 | 46,938 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 278,813 |
| Flag Maths | 0 | - | 4.78 | 57,692 |
| Satellite Images #1 | 0 | - | 4.46 | 129,091 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,051 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,712 |
| Satellite Images Quiz #5 | 0 | - | 4.49 | 49,704 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,849 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,500 |
| Soccer Team Logos | 0 | - | 4.26 | 371,564 |
| Ultimate Car Logos Quiz | 0 | - | 4.80 | 177,086 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 259,858 |
| Video Game Logos Quiz | 0 | - | 4.40 | 182,917 |
| Movie Logos | 0 | - | 4.33 | 236,398 |
| Brand Logos That Start With M | 0 | - | 4.45 | 61,990 |
| Brand Logos That Start With B | 0 | - | 4.41 | 59,383 |
| Brand Logos That Start with A | 0 | - | 4.51 | 69,501 |
| History by Picture - A | 0 | - | 4.25 | 45,524 |
| History by Picture - B | 0 | - | 4.40 | 48,655 |
| History by Picture - C | 0 | - | 4.36 | 54,166 |
| History by Picture - F | 0 | - | 4.35 | 37,656 |
| History by Picture - G | 0 | - | 4.40 | 41,909 |
| History by Picture - D | 0 | - | 4.29 | 44,077 |
| History by Picture - E | 0 | - | 4.27 | 43,690 |
| History by Picture - H | 0 | - | 4.37 | 36,600 |
| History by Picture - K | 0 | - | 4.35 | 33,160 |
| History by Picture - M | 0 | - | 4.17 | 35,961 |
| History by Picture - N | 0 | - | 4.40 | 41,046 |
| History by Picture - O | 0 | - | 4.39 | 36,096 |
| History by Picture - T | 0 | - | 4.20 | 33,144 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 56,944 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 102,955 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,703 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,406,380 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,593 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 104,828 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 268,139 |
| Foods by Picture | 0 | - | 3.81 | 225,620 |
| Flowers by Picture | 0 | - | 4.46 | 105,071 |
| Junk Foods by Picture | 0 | - | 3.69 | 96,094 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,573 |
| Christmas by Picture | 0 | - | 4.25 | 28,117 |
| Hats by Picture | 0 | - | 4.21 | 17,915 |
| Weapons by Picture | 0 | - | 4.13 | 20,919 |
| Cars by Picture | 0 | - | 3.89 | 41,154 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,245 |
| Authors by Picture | 0 | - | 4.48 | 25,421 |
| Plants by Picture | 0 | - | 4.24 | 14,362 |
| Fruit and Vegetable Emojis | 0 | - | 4.43 | 79,653 |
| WWII Figures by Picture | 0 | - | 4.85 | 50,667 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 55,252 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,322 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 65,492 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 58,515 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,189 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,032 |
| Mammals by Picture #3 | 0 | - | 4.39 | 61,849 |
| Mammals by Picture #4 | 0 | - | 4.03 | 33,961 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,244 |
| Mammals by Picture #2 | 0 | - | 4.28 | 57,954 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 164,578 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,100 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,186 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 50,969 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 71,333 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.13 | 79,077 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 72,035 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 94,733 |
| Women in History by Picture | 0 | - | 4.25 | 25,789 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 45,969 |
| Famous Foreheads #2 | 0 | - | 3.17 | 15,691 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 238,004 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 158,260 |
| Name that Historical Figure #6 | 0 | - | 4.27 | 92,613 |
| Musicians by Picture #1 | 0 | - | 4.39 | 107,456 |
| Musicians by Picture #2 | 0 | - | 4.29 | 75,515 |
| Musicians by Picture #4 | 0 | - | 4.07 | 64,215 |
| Musicians by Picture #3 | 0 | - | 4.10 | 58,461 |
| Geography by Picture - E | 0 | - | 3.55 | 47,297 |
| Landforms by Picture | 0 | - | 4.31 | 20,596 |
| Geography by Picture - I | 0 | - | 4.00 | 39,337 |
| Emoji Flags | 0 | - | 4.35 | 43,866 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.64 | 37,540 |
| Languages by Combined Flags | 0 | - | 4.53 | 99,314 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,280 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 65,871 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,229 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,698 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 393,305 |
| Airline Logos | 0 | - | 4.45 | 140,097 |
| Fast Food Logos Quiz | 0 | - | 4.43 | 247,241 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 158,101 |
| Brand Logos That Start With S | 0 | - | 4.37 | 56,913 |
| Brand Logos That Start With D | 0 | - | 4.37 | 60,863 |
| Brand Logos That Start With L | 0 | - | 4.39 | 60,398 |
| Brand Logos That Start With C | 0 | - | 4.17 | 49,152 |
| History by Picture - I | 0 | - | 4.26 | 26,065 |
| History by Picture - J | 0 | - | 4.18 | 26,575 |
| History by Picture - L | 0 | - | 4.18 | 30,603 |
| History by Picture - P | 0 | - | 4.08 | 25,151 |
| History by Picture - Q | 0 | - | 4.03 | 21,949 |
| History by Picture - R | 0 | - | 4.13 | 26,688 |
| History by Picture - S | 0 | - | 4.14 | 27,640 |
| History by Picture - U | 0 | - | 4.24 | 24,980 |
| History by Picture - V | 0 | - | 4.30 | 24,956 |
| History by Picture - W | 0 | - | 4.01 | 21,526 |
| Vegetables by Picture | 0 | - | 4.39 | 62,971 |
