| Pictures by Letter - A | 0 | - | 4.17 | 33,182 |
| Pictures by Letter - J | 0 | - | 4.31 | 39,780 |
| Pictures by Letter - B | 0 | - | 4.31 | 43,675 |
| Pictures by Letter - D | 0 | - | 4.16 | 37,366 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,573 |
| Former Countries by Territory Map | 0 | - | 4.96 | 101,843 |
| Empires by Maps | 0 | - | 4.98 | 118,873 |
| Pictures by Letter - E | 0 | - | 3.49 | 34,319 |
| Pictures by Letter - G | 0 | - | 4.14 | 27,965 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,377 |
| Pictures by Letter - F | 0 | - | 4.17 | 28,858 |
| Pictures by Letter - Z | 0 | - | 4.05 | 23,334 |
| Pictures by Letter - Y | 0 | - | 4.22 | 26,145 |
| Pictures by Letter - R | 0 | - | 4.09 | 24,628 |
| Pictures by Letter - K | 0 | - | 4.18 | 24,965 |
| Pictures by Letter - N | 0 | - | 4.11 | 24,358 |
| Pictures by Letter - P | 0 | - | 4.05 | 25,901 |
| Pictures by Letter - U | 0 | - | 4.10 | 20,661 |
| Pictures by Letter - T | 0 | - | 4.34 | 27,525 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,048 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 103,044 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,136 |
| All Country Flags of the World | 0 | - | 5.00 | 3,614,484 |
| Pictures by Letter - H | 0 | - | 3.97 | 30,324 |
| Pictures by Letter - C | 0 | - | 3.99 | 30,041 |
| Pictures by Letter - O | 0 | - | 3.98 | 28,552 |
| Pictures by Letter - Q | 0 | - | 3.92 | 20,313 |
| Pictures by Letter - S | 0 | - | 3.82 | 20,821 |
| Pictures by Letter - W | 0 | - | 3.92 | 20,027 |
| Pictures by Letter - V | 0 | - | 4.00 | 17,872 |
| Years in History by Picture | 0 | - | 4.44 | 35,188 |
| Famous Foreheads #1 | 0 | - | 4.47 | 74,355 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,528,557 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,088,471 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 730,415 |
| Name that Object #1 | 0 | - | 3.56 | 96,334 |
| Make a Stained Glass Window | 0 | - | 5.00 | 67,960 |
| Flags with Crescents | 0 | - | 4.98 | 167,932 |
| Country Flag Trivia | 0 | - | 4.81 | 56,133 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,661 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,640 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 86,174 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 66,623 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 84,527 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,195 |
| National Football Team Logos | 0 | - | 4.84 | 179,017 |
| Old Movies by Picture | 0 | - | 4.51 | 24,881 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 46,751 |
| Random Logos Quiz | 0 | - | 4.31 | 207,291 |
| Fruits by Picture | 0 | - | 4.20 | 805,208 |
| Geography by Picture - B | 0 | - | 4.42 | 55,458 |
| Geography by Picture - H | 0 | - | 4.50 | 58,081 |
| Geography by Picture - N | 0 | - | 4.45 | 42,076 |
| Geography by Picture - R | 0 | - | 4.55 | 40,906 |
| Geography by Picture - T | 0 | - | 4.54 | 57,715 |
| Flags to Languages | 0 | - | 4.95 | 172,726 |
| 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 | 83,421 |
| 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 | 54,955 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 335,903 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,566 |
| Car Logos Quiz #1 | 0 | - | 4.44 | 533,714 |
| 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 | 57,683 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,466 |
| Elements by Picture | 0 | - | 4.28 | 69,639 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,191 |
| Islands by Picture | 0 | - | 4.29 | 106,118 |
| Classic Movies by Movie Posters | 0 | - | 4.44 | 24,097 |
| Animals by Skeleton Image | 0 | - | 4.80 | 46,087 |
| Animals by Close-up Image | 0 | - | 4.42 | 217,093 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,332 |
| Extinct Animals by Picture | 0 | - | 4.49 | 34,986 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,268 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 47,818 |
| International Footballers by Picture | 0 | - | 4.50 | 54,906 |
| Name that Historical Figure #2 | 0 | - | 4.43 | 283,064 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 106,848 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.50 | 50,401 |
| Geography by Picture - A | 0 | - | 4.39 | 60,087 |
| Geography by Picture - D | 0 | - | 4.15 | 45,529 |
| Geography by Picture - F | 0 | - | 4.31 | 50,858 |
| Geography by Picture - G | 0 | - | 4.38 | 47,830 |
| Geography by Picture - J | 0 | - | 4.16 | 38,357 |
| Geography by Picture - K | 0 | - | 4.29 | 33,037 |
| Geography by Picture - C | 0 | - | 4.31 | 56,944 |
| Geography by Picture - L | 0 | - | 4.37 | 58,800 |
| Geography by Picture - M | 0 | - | 4.14 | 40,365 |
| Geography by Picture - P | 0 | - | 4.24 | 42,324 |
| Geography by Picture - S | 0 | - | 4.38 | 46,938 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 278,804 |
| Flag Maths | 0 | - | 4.78 | 57,692 |
| Satellite Images #1 | 0 | - | 4.46 | 129,089 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,051 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,708 |
| 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 | 85,496 |
| Soccer Team Logos | 0 | - | 4.26 | 371,547 |
| Ultimate Car Logos Quiz | 0 | - | 4.80 | 177,069 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 259,847 |
| Video Game Logos Quiz | 0 | - | 4.40 | 182,910 |
| Movie Logos | 0 | - | 4.33 | 236,387 |
| Brand Logos That Start With M | 0 | - | 4.45 | 61,985 |
| Brand Logos That Start With B | 0 | - | 4.41 | 59,381 |
| Brand Logos That Start with A | 0 | - | 4.51 | 69,495 |
| History by Picture - A | 0 | - | 4.25 | 45,522 |
| 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 | 37,654 |
| History by Picture - G | 0 | - | 4.40 | 41,907 |
| History by Picture - D | 0 | - | 4.29 | 44,076 |
| History by Picture - E | 0 | - | 4.27 | 43,688 |
| History by Picture - H | 0 | - | 4.37 | 36,599 |
| History by Picture - K | 0 | - | 4.35 | 33,160 |
| History by Picture - M | 0 | - | 4.17 | 35,960 |
| 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 | 56,942 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 102,953 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,697 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,406,290 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,592 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 104,824 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 268,132 |
| Foods by Picture | 0 | - | 3.81 | 225,616 |
| Flowers by Picture | 0 | - | 4.46 | 105,070 |
| Junk Foods by Picture | 0 | - | 3.69 | 96,093 |
| 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 | 41,153 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,245 |
| Authors by Picture | 0 | - | 4.48 | 25,420 |
| Plants by Picture | 0 | - | 4.24 | 14,362 |
| Fruit and Vegetable Emojis | 0 | - | 4.43 | 79,648 |
| WWII Figures by Picture | 0 | - | 4.85 | 50,662 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 55,250 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,322 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 65,490 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 58,515 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,188 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,025 |
| Mammals by Picture #3 | 0 | - | 4.39 | 61,847 |
| Mammals by Picture #4 | 0 | - | 4.03 | 33,959 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,243 |
| Mammals by Picture #2 | 0 | - | 4.28 | 57,951 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 164,576 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,099 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,184 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 50,969 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 71,332 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.13 | 79,076 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 72,033 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 94,730 |
| 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 | 15,687 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 237,970 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 158,253 |
| Name that Historical Figure #6 | 0 | - | 4.27 | 92,603 |
| Musicians by Picture #1 | 0 | - | 4.39 | 107,447 |
| Musicians by Picture #2 | 0 | - | 4.29 | 75,512 |
| Musicians by Picture #4 | 0 | - | 4.07 | 64,210 |
| Musicians by Picture #3 | 0 | - | 4.10 | 58,459 |
| Geography by Picture - E | 0 | - | 3.55 | 47,296 |
| Landforms by Picture | 0 | - | 4.31 | 20,596 |
| Geography by Picture - I | 0 | - | 4.00 | 39,336 |
| Emoji Flags | 0 | - | 4.35 | 43,864 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.64 | 37,536 |
| Languages by Combined Flags | 0 | - | 4.53 | 99,310 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,280 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 65,870 |
| 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 | 393,302 |
| Airline Logos | 0 | - | 4.45 | 140,090 |
| Fast Food Logos Quiz | 0 | - | 4.43 | 247,236 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 158,101 |
| Brand Logos That Start With S | 0 | - | 4.37 | 56,904 |
| Brand Logos That Start With D | 0 | - | 4.37 | 60,860 |
| Brand Logos That Start With L | 0 | - | 4.39 | 60,393 |
| Brand Logos That Start With C | 0 | - | 4.17 | 49,151 |
| 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 | 25,150 |
| 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 | 24,955 |
| History by Picture - W | 0 | - | 4.01 | 21,526 |
| Vegetables by Picture | 0 | - | 4.39 | 62,968 |
