| Pictures by Letter - J | 0 | - | 4.31 | 40,222 |
| Pictures by Letter - B | 0 | - | 4.32 | 44,184 |
| Pictures by Letter - D | 0 | - | 4.14 | 37,753 |
| Former Countries by Territory Map | 0 | - | 4.96 | 103,464 |
| Empires by Maps | 0 | - | 4.98 | 121,458 |
| Pictures by Letter - E | 0 | - | 3.51 | 34,610 |
| Pictures by Letter - G | 0 | - | 4.14 | 28,336 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,709 |
| Pictures by Letter - F | 0 | - | 4.18 | 29,211 |
| Pictures by Letter - Z | 0 | - | 4.05 | 23,562 |
| Pictures by Letter - Y | 0 | - | 4.21 | 26,420 |
| Pictures by Letter - R | 0 | - | 4.05 | 24,885 |
| Pictures by Letter - K | 0 | - | 4.18 | 25,249 |
| Pictures by Letter - I | 0 | - | 4.16 | 30,528 |
| Pictures by Letter - N | 0 | - | 4.11 | 24,614 |
| Pictures by Letter - P | 0 | - | 4.05 | 26,170 |
| Pictures by Letter - U | 0 | - | 4.10 | 20,892 |
| Pictures by Letter - T | 0 | - | 4.34 | 27,811 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,445 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 105,066 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,936 |
| All Country Flags of the World | 0 | - | 5.00 | 3,699,337 |
| Pictures by Letter - H | 0 | - | 3.97 | 30,617 |
| Pictures by Letter - C | 0 | - | 4.00 | 30,353 |
| Pictures by Letter - O | 0 | - | 3.98 | 28,804 |
| Pictures by Letter - Q | 0 | - | 3.92 | 20,541 |
| Pictures by Letter - S | 0 | - | 3.82 | 21,068 |
| Pictures by Letter - W | 0 | - | 3.87 | 20,250 |
| Pictures by Letter - V | 0 | - | 4.00 | 18,082 |
| Years in History by Picture | 0 | - | 4.44 | 35,694 |
| Famous Foreheads #1 | 0 | - | 4.47 | 75,272 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,543,265 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,095,900 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 735,549 |
| Name that Object #1 | 0 | - | 3.57 | 96,573 |
| Animals by Skeleton Image | 0 | - | 4.81 | 46,809 |
| Make a Stained Glass Window | 0 | - | 5.00 | 68,882 |
| Flags with Crescents | 0 | - | 4.98 | 170,914 |
| Country Flag Trivia | 0 | - | 4.81 | 57,756 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,579 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,155 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,255 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,726 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,761 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 53,320 |
| Ultimate Car Logos Quiz | 0 | - | 4.81 | 183,080 |
| National Football Team Logos | 0 | - | 4.85 | 181,355 |
| Old Movies by Picture | 0 | - | 4.51 | 25,206 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 47,247 |
| Random Logos Quiz | 0 | - | 4.33 | 209,122 |
| Fruits by Picture | 0 | - | 4.19 | 808,658 |
| Geography by Picture - B | 0 | - | 4.42 | 55,736 |
| Geography by Picture - H | 0 | - | 4.50 | 58,338 |
| Geography by Picture - N | 0 | - | 4.45 | 42,306 |
| Geography by Picture - R | 0 | - | 4.56 | 41,112 |
| Geography by Picture - T | 0 | - | 4.54 | 57,958 |
| Flags to Languages | 0 | - | 4.95 | 174,260 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 115,994 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,896 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 84,577 |
| Name that Object #2 | 0 | - | 3.64 | 15,494 |
| Name that Object #3 | 0 | - | 3.93 | 14,445 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,746 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 338,752 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,323 |
| Car Logos Quiz #1 | 0 | - | 4.52 | 542,722 |
| Name that Bug | 0 | - | 4.12 | 45,611 |
| Islands by Shape #1 | 0 | - | 4.33 | 84,468 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 58,181 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,890 |
| Elements by Picture | 0 | - | 4.27 | 70,210 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,468 |
| Islands by Picture | 0 | - | 4.28 | 107,551 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,417 |
| Animals by Close-up Image | 0 | - | 4.42 | 218,831 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,906 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,415 |
| Mammals by Picture #1 | 0 | - | 4.70 | 92,247 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 48,157 |
| International Footballers by Picture | 0 | - | 4.51 | 56,193 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 285,611 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 108,299 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.51 | 51,086 |
| Geography by Picture - A | 0 | - | 4.39 | 60,386 |
| Geography by Picture - D | 0 | - | 4.15 | 45,753 |
| Geography by Picture - F | 0 | - | 4.31 | 51,132 |
| Geography by Picture - G | 0 | - | 4.39 | 48,048 |
| Geography by Picture - J | 0 | - | 4.16 | 38,562 |
| Geography by Picture - K | 0 | - | 4.29 | 33,218 |
| Geography by Picture - C | 0 | - | 4.31 | 57,189 |
| Geography by Picture - L | 0 | - | 4.37 | 59,094 |
| Geography by Picture - M | 0 | - | 4.14 | 40,550 |
| Geography by Picture - P | 0 | - | 4.24 | 42,530 |
| Geography by Picture - S | 0 | - | 4.38 | 47,146 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 281,623 |
| Flag Maths | 0 | - | 4.61 | 57,815 |
| Satellite Images #1 | 0 | - | 4.47 | 129,596 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,495 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,077 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,099 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,101 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,440 |
| Soccer Team Logos | 0 | - | 4.26 | 376,708 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 263,331 |
| Video Game Logos Quiz | 0 | - | 4.40 | 184,734 |
| Movie Logos | 0 | - | 4.33 | 239,817 |
| Brand Logos That Start with A | 0 | - | 4.52 | 70,933 |
| History by Picture - A | 0 | - | 4.26 | 46,049 |
| History by Picture - B | 0 | - | 4.40 | 49,228 |
| History by Picture - C | 0 | - | 4.36 | 54,761 |
| History by Picture - F | 0 | - | 4.35 | 38,102 |
| History by Picture - G | 0 | - | 4.40 | 42,344 |
| History by Picture - D | 0 | - | 4.29 | 44,553 |
| History by Picture - E | 0 | - | 4.25 | 44,139 |
| History by Picture - H | 0 | - | 4.37 | 36,993 |
| History by Picture - K | 0 | - | 4.35 | 33,534 |
| History by Picture - M | 0 | - | 4.17 | 36,314 |
| History by Picture - N | 0 | - | 4.40 | 41,455 |
| History by Picture - O | 0 | - | 4.39 | 36,483 |
| History by Picture - T | 0 | - | 4.20 | 33,475 |
| Name that Nut, Seed, or Bean | 0 | - | 4.57 | 57,567 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 104,474 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,197 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,433,984 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 119,668 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,724 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 269,565 |
| Foods by Picture | 0 | - | 3.81 | 226,441 |
| Flowers by Picture | 0 | - | 4.46 | 105,810 |
| Junk Foods by Picture | 0 | - | 3.69 | 96,600 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,909 |
| Christmas by Picture | 0 | - | 4.26 | 28,217 |
| Hats by Picture | 0 | - | 4.21 | 18,006 |
| Weapons by Picture | 0 | - | 4.13 | 21,133 |
| Cars by Picture | 0 | - | 3.89 | 41,730 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,355 |
| Authors by Picture | 0 | - | 4.48 | 25,605 |
| Plants by Picture | 0 | - | 4.24 | 14,507 |
| Fruit and Vegetable Emojis | 0 | - | 4.45 | 90,672 |
| WWII Figures by Picture | 0 | - | 4.89 | 66,053 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 56,066 |
| Planets By Picture Quiz | 0 | - | 4.49 | 57,220 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 66,391 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 59,201 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,783 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,738 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,398 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,254 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,944 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,448 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 165,690 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,674 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,607 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 51,323 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 72,023 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.14 | 79,682 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 72,731 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 95,959 |
| Women in History by Picture | 0 | - | 4.25 | 25,999 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 46,313 |
| Famous Foreheads #2 | 0 | - | 3.17 | 15,833 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 240,297 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 159,790 |
| Name that Historical Figure #6 | 0 | - | 4.26 | 93,841 |
| Musicians by Picture #1 | 0 | - | 4.38 | 109,713 |
| Musicians by Picture #2 | 0 | - | 4.29 | 77,152 |
| Musicians by Picture #4 | 0 | - | 4.07 | 65,425 |
| Musicians by Picture #3 | 0 | - | 4.10 | 59,413 |
| Geography by Picture - E | 0 | - | 3.55 | 47,467 |
| Landforms by Picture | 0 | - | 4.31 | 20,732 |
| Geography by Picture - I | 0 | - | 4.00 | 39,506 |
| Geography by Picture - O | 0 | - | 4.01 | 28,217 |
| Emoji Flags | 0 | - | 4.35 | 44,238 |
| Languages by Combined Flags | 0 | - | 4.53 | 100,457 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,516 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 66,811 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 71,119 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,899 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 395,367 |
| Airline Logos | 0 | - | 4.45 | 141,244 |
| Fast Food Logos Quiz | 0 | - | 4.45 | 249,179 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 159,673 |
| Brand Logos That Start With M | 0 | - | 4.38 | 63,339 |
| Brand Logos That Start With S | 0 | - | 4.37 | 58,097 |
| Brand Logos That Start With B | 0 | - | 4.38 | 60,456 |
| Brand Logos That Start With D | 0 | - | 4.36 | 62,012 |
| Brand Logos That Start With L | 0 | - | 4.39 | 61,713 |
| Brand Logos That Start With C | 0 | - | 4.20 | 49,999 |
| History by Picture - I | 0 | - | 4.24 | 26,384 |
| History by Picture - J | 0 | - | 4.18 | 26,880 |
| History by Picture - L | 0 | - | 4.18 | 30,941 |
| History by Picture - P | 0 | - | 4.08 | 25,422 |
| History by Picture - Q | 0 | - | 4.03 | 22,211 |
| History by Picture - R | 0 | - | 4.13 | 26,996 |
| History by Picture - S | 0 | - | 4.14 | 27,925 |
| History by Picture - U | 0 | - | 4.25 | 25,273 |
| History by Picture - V | 0 | - | 4.31 | 25,254 |
| History by Picture - W | 0 | - | 4.01 | 21,771 |
| Vegetables by Picture | 0 | - | 4.36 | 63,687 |
| Pick a Picture - Musical Instruments | 0 | - | 4.53 | 52,599 |
