| Pictures by Letter - A | 0 | - | 4.17 | 33,204 |
| Pictures by Letter - J | 0 | - | 4.31 | 39,802 |
| Pictures by Letter - B | 0 | - | 4.31 | 43,692 |
| Pictures by Letter - D | 0 | - | 4.16 | 37,382 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,591 |
| Former Countries by Territory Map | 0 | - | 4.96 | 101,905 |
| Empires by Maps | 0 | - | 4.98 | 118,966 |
| Pictures by Letter - E | 0 | - | 3.49 | 34,331 |
| Pictures by Letter - G | 0 | - | 4.14 | 27,975 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,392 |
| Pictures by Letter - F | 0 | - | 4.17 | 28,868 |
| Pictures by Letter - Z | 0 | - | 4.05 | 23,340 |
| Pictures by Letter - Y | 0 | - | 4.22 | 26,153 |
| Pictures by Letter - R | 0 | - | 4.09 | 24,638 |
| Pictures by Letter - K | 0 | - | 4.18 | 24,974 |
| Pictures by Letter - I | 0 | - | 4.16 | 30,233 |
| Pictures by Letter - N | 0 | - | 4.11 | 24,369 |
| Pictures by Letter - P | 0 | - | 4.05 | 25,909 |
| Pictures by Letter - T | 0 | - | 4.34 | 27,534 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,065 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 103,128 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,166 |
| All Country Flags of the World | 0 | - | 5.00 | 3,617,669 |
| Pictures by Letter - H | 0 | - | 3.97 | 30,334 |
| Pictures by Letter - C | 0 | - | 3.99 | 30,055 |
| Pictures by Letter - O | 0 | - | 3.98 | 28,563 |
| Pictures by Letter - Q | 0 | - | 3.92 | 20,322 |
| Pictures by Letter - S | 0 | - | 3.82 | 20,829 |
| Pictures by Letter - W | 0 | - | 3.92 | 20,035 |
| Pictures by Letter - V | 0 | - | 4.00 | 17,879 |
| Years in History by Picture | 0 | - | 4.44 | 35,221 |
| Famous Foreheads #1 | 0 | - | 4.47 | 74,394 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,529,176 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,088,758 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 730,624 |
| Name that Object #1 | 0 | - | 3.56 | 96,344 |
| Make a Stained Glass Window | 0 | - | 5.00 | 68,006 |
| Flags with Crescents | 0 | - | 4.98 | 168,012 |
| Country Flag Trivia | 0 | - | 4.81 | 56,169 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,713 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,687 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 86,236 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 66,656 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 84,569 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,233 |
| National Football Team Logos | 0 | - | 4.85 | 179,137 |
| Old Movies by Picture | 0 | - | 4.51 | 24,898 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 46,765 |
| Random Logos Quiz | 0 | - | 4.31 | 207,375 |
| Fruits by Picture | 0 | - | 4.20 | 805,350 |
| Geography by Picture - B | 0 | - | 4.42 | 55,464 |
| Geography by Picture - H | 0 | - | 4.50 | 58,088 |
| Geography by Picture - N | 0 | - | 4.45 | 42,082 |
| Geography by Picture - R | 0 | - | 4.56 | 40,913 |
| Geography by Picture - T | 0 | - | 4.54 | 57,717 |
| Flags to Languages | 0 | - | 4.95 | 172,793 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 113,740 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,175 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 83,476 |
| Name that Object #2 | 0 | - | 3.64 | 15,351 |
| Name that Object #3 | 0 | - | 3.93 | 14,324 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 54,994 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 336,092 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,598 |
| Car Logos Quiz #1 | 0 | - | 4.44 | 534,118 |
| Name that Bug | 0 | - | 4.12 | 45,480 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,218 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 57,701 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,476 |
| Elements by Picture | 0 | - | 4.28 | 69,656 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,204 |
| Islands by Picture | 0 | - | 4.29 | 106,173 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,122 |
| Animals by Skeleton Image | 0 | - | 4.80 | 46,110 |
| Animals by Close-up Image | 0 | - | 4.42 | 217,156 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,356 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,004 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,305 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 47,831 |
| International Footballers by Picture | 0 | - | 4.50 | 54,956 |
| Name that Historical Figure #2 | 0 | - | 4.43 | 283,244 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 106,965 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.50 | 50,470 |
| Geography by Picture - A | 0 | - | 4.39 | 60,094 |
| Geography by Picture - D | 0 | - | 4.15 | 45,536 |
| Geography by Picture - F | 0 | - | 4.31 | 50,864 |
| Geography by Picture - G | 0 | - | 4.38 | 47,838 |
| Geography by Picture - J | 0 | - | 4.16 | 38,361 |
| Geography by Picture - K | 0 | - | 4.29 | 33,039 |
| Geography by Picture - C | 0 | - | 4.31 | 56,954 |
| Geography by Picture - L | 0 | - | 4.37 | 58,811 |
| Geography by Picture - M | 0 | - | 4.14 | 40,368 |
| Geography by Picture - P | 0 | - | 4.24 | 42,329 |
| Geography by Picture - S | 0 | - | 4.38 | 46,943 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 278,921 |
| Flag Maths | 0 | - | 4.74 | 57,695 |
| Satellite Images #1 | 0 | - | 4.46 | 129,111 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,071 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,725 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,720 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,858 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,537 |
| Soccer Team Logos | 0 | - | 4.26 | 371,807 |
| Ultimate Car Logos Quiz | 0 | - | 4.80 | 177,277 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 260,014 |
| Video Game Logos Quiz | 0 | - | 4.40 | 183,004 |
| Movie Logos | 0 | - | 4.33 | 236,536 |
| Brand Logos That Start With M | 0 | - | 4.45 | 62,056 |
| Brand Logos That Start With B | 0 | - | 4.38 | 59,433 |
| Brand Logos That Start with A | 0 | - | 4.51 | 69,563 |
| History by Picture - A | 0 | - | 4.25 | 45,541 |
| History by Picture - B | 0 | - | 4.40 | 48,678 |
| History by Picture - C | 0 | - | 4.36 | 54,185 |
| History by Picture - F | 0 | - | 4.35 | 37,668 |
| History by Picture - G | 0 | - | 4.40 | 41,920 |
| History by Picture - D | 0 | - | 4.29 | 44,090 |
| History by Picture - E | 0 | - | 4.27 | 43,706 |
| History by Picture - H | 0 | - | 4.37 | 36,615 |
| History by Picture - K | 0 | - | 4.35 | 33,171 |
| History by Picture - M | 0 | - | 4.17 | 35,974 |
| History by Picture - N | 0 | - | 4.40 | 41,059 |
| History by Picture - O | 0 | - | 4.39 | 36,113 |
| History by Picture - T | 0 | - | 4.20 | 33,155 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 56,965 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 103,010 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,759 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,407,495 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,628 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 104,865 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 268,193 |
| Foods by Picture | 0 | - | 3.81 | 225,652 |
| Flowers by Picture | 0 | - | 4.46 | 105,090 |
| Junk Foods by Picture | 0 | - | 3.69 | 96,116 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,584 |
| Christmas by Picture | 0 | - | 4.25 | 28,118 |
| Hats by Picture | 0 | - | 4.21 | 17,916 |
| Weapons by Picture | 0 | - | 4.13 | 20,936 |
| Cars by Picture | 0 | - | 3.89 | 41,172 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,246 |
| Authors by Picture | 0 | - | 4.48 | 25,433 |
| Plants by Picture | 0 | - | 4.24 | 14,371 |
| Fruit and Vegetable Emojis | 0 | - | 4.43 | 79,687 |
| WWII Figures by Picture | 0 | - | 4.85 | 50,721 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 55,286 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,353 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 65,524 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 58,544 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,219 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,058 |
| Mammals by Picture #3 | 0 | - | 4.39 | 61,863 |
| Mammals by Picture #4 | 0 | - | 4.03 | 33,970 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,270 |
| Mammals by Picture #2 | 0 | - | 4.28 | 57,977 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 164,602 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,117 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,201 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 50,983 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 71,359 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.13 | 79,107 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 72,058 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 94,778 |
| Women in History by Picture | 0 | - | 4.25 | 25,795 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 45,977 |
| Famous Foreheads #2 | 0 | - | 3.17 | 15,694 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 238,314 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 158,382 |
| Name that Historical Figure #6 | 0 | - | 4.27 | 92,726 |
| Musicians by Picture #1 | 0 | - | 4.39 | 107,561 |
| Musicians by Picture #2 | 0 | - | 4.29 | 75,590 |
| Musicians by Picture #4 | 0 | - | 4.07 | 64,265 |
| Musicians by Picture #3 | 0 | - | 4.10 | 58,500 |
| Geography by Picture - E | 0 | - | 3.55 | 47,301 |
| Landforms by Picture | 0 | - | 4.31 | 20,598 |
| Geography by Picture - I | 0 | - | 4.00 | 39,341 |
| Emoji Flags | 0 | - | 4.35 | 43,879 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.64 | 37,557 |
| Languages by Combined Flags | 0 | - | 4.53 | 99,366 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,287 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 65,909 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,262 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,703 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 393,388 |
| Airline Logos | 0 | - | 4.45 | 140,137 |
| Fast Food Logos Quiz | 0 | - | 4.44 | 247,303 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 158,154 |
| Brand Logos That Start With S | 0 | - | 4.37 | 56,957 |
| Brand Logos That Start With D | 0 | - | 4.37 | 60,918 |
| Brand Logos That Start With L | 0 | - | 4.39 | 60,450 |
| Brand Logos That Start With C | 0 | - | 4.17 | 49,190 |
| History by Picture - I | 0 | - | 4.26 | 26,071 |
| History by Picture - J | 0 | - | 4.18 | 26,582 |
| History by Picture - L | 0 | - | 4.18 | 30,609 |
| History by Picture - P | 0 | - | 4.08 | 25,169 |
| History by Picture - Q | 0 | - | 4.03 | 21,959 |
| History by Picture - R | 0 | - | 4.13 | 26,700 |
| History by Picture - S | 0 | - | 4.14 | 27,649 |
| History by Picture - U | 0 | - | 4.24 | 24,991 |
| History by Picture - V | 0 | - | 4.30 | 24,966 |
| History by Picture - W | 0 | - | 4.01 | 21,531 |
| Vegetables by Picture | 0 | - | 4.39 | 62,993 |
