| Pictures by Letter - A | 0 | - | 4.17 | 33,139 |
| Pictures by Letter - J | 0 | - | 4.31 | 39,734 |
| Pictures by Letter - B | 0 | - | 4.31 | 43,635 |
| Pictures by Letter - D | 0 | - | 4.16 | 37,321 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,532 |
| Former Countries by Territory Map | 0 | - | 4.96 | 101,635 |
| Empires by Maps | 0 | - | 4.98 | 118,614 |
| Pictures by Letter - E | 0 | - | 3.49 | 34,289 |
| Pictures by Letter - G | 0 | - | 4.14 | 27,935 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,344 |
| Pictures by Letter - Z | 0 | - | 4.05 | 23,304 |
| Pictures by Letter - Y | 0 | - | 4.22 | 26,116 |
| Pictures by Letter - R | 0 | - | 4.09 | 24,591 |
| Pictures by Letter - K | 0 | - | 4.18 | 24,931 |
| Pictures by Letter - I | 0 | - | 4.16 | 30,189 |
| Pictures by Letter - N | 0 | - | 4.11 | 24,330 |
| Pictures by Letter - P | 0 | - | 4.05 | 25,876 |
| Pictures by Letter - U | 0 | - | 4.10 | 20,621 |
| Pictures by Letter - T | 0 | - | 4.34 | 27,488 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,005 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 102,854 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,063 |
| All Country Flags of the World | 0 | - | 5.00 | 3,605,475 |
| Pictures by Letter - H | 0 | - | 3.95 | 30,292 |
| Pictures by Letter - C | 0 | - | 3.99 | 30,006 |
| Pictures by Letter - O | 0 | - | 3.98 | 28,526 |
| Pictures by Letter - Q | 0 | - | 3.92 | 20,289 |
| Pictures by Letter - S | 0 | - | 3.82 | 20,786 |
| Pictures by Letter - W | 0 | - | 3.92 | 19,998 |
| Pictures by Letter - V | 0 | - | 3.98 | 17,842 |
| Years in History by Picture | 0 | - | 4.44 | 35,128 |
| Famous Foreheads #1 | 0 | - | 4.47 | 74,268 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,526,979 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,087,694 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 729,880 |
| Name that Object #1 | 0 | - | 3.56 | 96,314 |
| Make a Stained Glass Window | 0 | - | 5.00 | 67,849 |
| Flags with Crescents | 0 | - | 4.98 | 167,658 |
| Country Flag Trivia | 0 | - | 4.81 | 55,983 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,488 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,510 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 85,980 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 66,503 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 84,420 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,080 |
| National Football Team Logos | 0 | - | 4.84 | 178,777 |
| Old Movies by Picture | 0 | - | 4.51 | 24,829 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 46,702 |
| Random Logos Quiz | 0 | - | 4.32 | 207,095 |
| Fruits by Picture | 0 | - | 4.20 | 804,795 |
| Geography by Picture - B | 0 | - | 4.42 | 55,428 |
| Geography by Picture - H | 0 | - | 4.49 | 58,060 |
| Geography by Picture - N | 0 | - | 4.45 | 42,057 |
| Geography by Picture - R | 0 | - | 4.55 | 40,885 |
| Geography by Picture - T | 0 | - | 4.54 | 57,690 |
| Flags to Languages | 0 | - | 4.95 | 172,562 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 113,403 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,158 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 83,317 |
| Name that Object #2 | 0 | - | 3.64 | 15,333 |
| Name that Object #3 | 0 | - | 3.93 | 14,309 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 54,880 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 335,616 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,489 |
| Car Logos Quiz #1 | 0 | - | 4.44 | 532,437 |
| Name that Bug | 0 | - | 4.12 | 45,457 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,192 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 57,638 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,425 |
| Elements by Picture | 0 | - | 4.28 | 69,572 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,168 |
| Islands by Picture | 0 | - | 4.29 | 105,956 |
| Classic Movies by Movie Posters | 0 | - | 4.44 | 24,060 |
| Animals by Skeleton Image | 0 | - | 4.80 | 46,012 |
| Animals by Close-up Image | 0 | - | 4.42 | 216,938 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,268 |
| Extinct Animals by Picture | 0 | - | 4.49 | 34,940 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,150 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 47,784 |
| International Footballers by Picture | 0 | - | 4.50 | 54,808 |
| Name that Historical Figure #2 | 0 | - | 4.43 | 282,758 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 106,684 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.50 | 50,322 |
| Geography by Picture - A | 0 | - | 4.39 | 60,063 |
| Geography by Picture - D | 0 | - | 4.15 | 45,508 |
| Geography by Picture - F | 0 | - | 4.31 | 50,839 |
| Geography by Picture - G | 0 | - | 4.38 | 47,800 |
| Geography by Picture - J | 0 | - | 4.16 | 38,344 |
| Geography by Picture - K | 0 | - | 4.28 | 33,024 |
| Geography by Picture - C | 0 | - | 4.31 | 56,921 |
| Geography by Picture - L | 0 | - | 4.37 | 58,773 |
| Geography by Picture - M | 0 | - | 4.14 | 40,352 |
| Geography by Picture - P | 0 | - | 4.24 | 42,309 |
| Geography by Picture - S | 0 | - | 4.38 | 46,921 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 278,486 |
| Flag Maths | 0 | - | 4.78 | 57,681 |
| Satellite Images #1 | 0 | - | 4.46 | 129,036 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,008 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,666 |
| Satellite Images Quiz #5 | 0 | - | 4.48 | 49,663 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,818 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,396 |
| Soccer Team Logos | 0 | - | 4.26 | 371,031 |
| Ultimate Car Logos Quiz | 0 | - | 4.79 | 176,474 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 259,386 |
| Video Game Logos Quiz | 0 | - | 4.40 | 182,755 |
| Movie Logos | 0 | - | 4.33 | 236,038 |
| Brand Logos That Start With M | 0 | - | 4.45 | 61,810 |
| Brand Logos That Start With B | 0 | - | 4.41 | 59,234 |
| Brand Logos That Start with A | 0 | - | 4.51 | 69,318 |
| History by Picture - A | 0 | - | 4.25 | 45,477 |
| History by Picture - B | 0 | - | 4.40 | 48,603 |
| History by Picture - C | 0 | - | 4.36 | 54,101 |
| History by Picture - F | 0 | - | 4.35 | 37,599 |
| History by Picture - G | 0 | - | 4.40 | 41,865 |
| History by Picture - D | 0 | - | 4.29 | 44,023 |
| History by Picture - E | 0 | - | 4.27 | 43,639 |
| History by Picture - H | 0 | - | 4.37 | 36,554 |
| History by Picture - K | 0 | - | 4.35 | 33,116 |
| History by Picture - M | 0 | - | 4.17 | 35,924 |
| History by Picture - N | 0 | - | 4.40 | 41,013 |
| History by Picture - O | 0 | - | 4.39 | 36,055 |
| History by Picture - T | 0 | - | 4.20 | 33,107 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 56,880 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 102,752 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,515 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,403,274 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,502 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 104,696 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 267,990 |
| Foods by Picture | 0 | - | 3.81 | 225,511 |
| Flowers by Picture | 0 | - | 4.46 | 105,022 |
| Junk Foods by Picture | 0 | - | 3.69 | 96,033 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,540 |
| Christmas by Picture | 0 | - | 4.25 | 28,103 |
| Hats by Picture | 0 | - | 4.21 | 17,907 |
| Weapons by Picture | 0 | - | 4.13 | 20,892 |
| Cars by Picture | 0 | - | 3.89 | 41,108 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,232 |
| Authors by Picture | 0 | - | 4.48 | 25,400 |
| Plants by Picture | 0 | - | 4.24 | 14,337 |
| Fruit and Vegetable Emojis | 0 | - | 4.42 | 79,512 |
| WWII Figures by Picture | 0 | - | 4.85 | 50,570 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 55,176 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,226 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 65,402 |
| Songs by Picture Quiz #2 | 0 | - | 4.41 | 58,439 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,112 |
| Animals A-Z by Picture | 0 | - | 4.08 | 65,943 |
| Mammals by Picture #3 | 0 | - | 4.39 | 61,788 |
| Mammals by Picture #4 | 0 | - | 4.03 | 33,914 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,155 |
| Mammals by Picture #2 | 0 | - | 4.28 | 57,893 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 164,475 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,043 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,146 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 50,938 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 71,271 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.13 | 79,015 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 71,971 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 94,632 |
| Women in History by Picture | 0 | - | 4.25 | 25,771 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 45,938 |
| Famous Foreheads #2 | 0 | - | 3.17 | 15,663 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 237,726 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 158,086 |
| Name that Historical Figure #6 | 0 | - | 4.27 | 92,465 |
| Musicians by Picture #1 | 0 | - | 4.39 | 107,223 |
| Musicians by Picture #2 | 0 | - | 4.29 | 75,373 |
| Musicians by Picture #4 | 0 | - | 4.07 | 64,101 |
| Musicians by Picture #3 | 0 | - | 4.10 | 58,370 |
| Geography by Picture - E | 0 | - | 3.55 | 47,286 |
| Landforms by Picture | 0 | - | 4.31 | 20,578 |
| Geography by Picture - I | 0 | - | 4.00 | 39,325 |
| Emoji Flags | 0 | - | 4.35 | 43,828 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.64 | 37,488 |
| Languages by Combined Flags | 0 | - | 4.53 | 99,191 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,253 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 65,769 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,127 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,675 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 393,081 |
| Airline Logos | 0 | - | 4.45 | 139,998 |
| Fast Food Logos Quiz | 0 | - | 4.43 | 247,032 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 157,884 |
| Brand Logos That Start With S | 0 | - | 4.37 | 56,760 |
| Brand Logos That Start With D | 0 | - | 4.37 | 60,720 |
| Brand Logos That Start With L | 0 | - | 4.39 | 60,232 |
| Brand Logos That Start With C | 0 | - | 4.17 | 49,047 |
| History by Picture - I | 0 | - | 4.26 | 26,025 |
| History by Picture - J | 0 | - | 4.18 | 26,539 |
| History by Picture - L | 0 | - | 4.18 | 30,572 |
| History by Picture - P | 0 | - | 4.08 | 25,114 |
| History by Picture - Q | 0 | - | 4.03 | 21,928 |
| History by Picture - R | 0 | - | 4.13 | 26,648 |
| History by Picture - S | 0 | - | 4.14 | 27,600 |
| History by Picture - U | 0 | - | 4.24 | 24,949 |
| History by Picture - V | 0 | - | 4.30 | 24,921 |
| History by Picture - W | 0 | - | 4.01 | 21,502 |
| Vegetables by Picture | 0 | - | 4.39 | 62,890 |
