| Pictures by Letter - A | 0 | - | 4.18 | 33,645 |
| Pictures by Letter - J | 0 | - | 4.31 | 40,276 |
| Pictures by Letter - B | 0 | - | 4.32 | 44,258 |
| Pictures by Letter - D | 0 | - | 4.14 | 37,807 |
| Pictures by Letter - M | 0 | - | 4.24 | 38,009 |
| Former Countries by Territory Map | 0 | - | 4.96 | 103,890 |
| Empires by Maps | 0 | - | 4.98 | 122,072 |
| Merged Company Logos #1 | 0 | - | 4.90 | 107,403 |
| Pictures by Letter - E | 0 | - | 3.51 | 34,660 |
| Pictures by Letter - G | 0 | - | 4.14 | 28,391 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,764 |
| Pictures by Letter - F | 0 | - | 4.18 | 29,270 |
| Pictures by Letter - Z | 0 | - | 4.05 | 23,600 |
| Pictures by Letter - Y | 0 | - | 4.21 | 26,453 |
| Pictures by Letter - R | 0 | - | 4.05 | 24,926 |
| Pictures by Letter - K | 0 | - | 4.18 | 25,296 |
| Pictures by Letter - I | 0 | - | 4.16 | 30,576 |
| Pictures by Letter - N | 0 | - | 4.11 | 24,657 |
| Pictures by Letter - P | 0 | - | 4.05 | 26,206 |
| Pictures by Letter - U | 0 | - | 4.10 | 20,933 |
| Pictures by Letter - T | 0 | - | 4.34 | 27,861 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,530 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 105,340 |
| Play-Doh People from History | 0 | - | 4.99 | 95,550 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 62,112 |
| All Country Flags of the World | 0 | - | 5.00 | 3,713,401 |
| Pictures by Letter - H | 0 | - | 3.97 | 30,667 |
| Pictures by Letter - C | 0 | - | 4.00 | 30,407 |
| Pictures by Letter - O | 0 | - | 3.98 | 28,847 |
| Pictures by Letter - Q | 0 | - | 3.92 | 20,574 |
| Pictures by Letter - S | 0 | - | 3.82 | 21,104 |
| Pictures by Letter - V | 0 | - | 4.00 | 18,115 |
| Years in History by Picture | 0 | - | 4.45 | 35,805 |
| Famous Foreheads #1 | 0 | - | 4.47 | 75,430 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,545,941 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,097,173 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 736,428 |
| Name that Object #1 | 0 | - | 3.57 | 96,630 |
| Animals by Skeleton Image | 0 | - | 4.81 | 46,937 |
| Make a Stained Glass Window | 0 | - | 5.00 | 69,075 |
| Flags with Crescents | 0 | - | 4.98 | 171,341 |
| Country Flag Trivia | 0 | - | 4.81 | 58,020 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,891 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,430 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,595 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,942 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,982 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.81 | 53,490 |
| Ultimate Car Logos Quiz | 0 | - | 4.81 | 184,049 |
| National Football Team Logos | 0 | - | 4.85 | 181,872 |
| Old Movies by Picture | 0 | - | 4.51 | 25,267 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 47,301 |
| Random Logos Quiz | 0 | - | 4.33 | 209,647 |
| Fruits by Picture | 0 | - | 4.19 | 809,317 |
| Geography by Picture - B | 0 | - | 4.42 | 55,784 |
| Geography by Picture - H | 0 | - | 4.50 | 58,378 |
| Geography by Picture - N | 0 | - | 4.45 | 42,337 |
| Geography by Picture - R | 0 | - | 4.56 | 41,145 |
| Geography by Picture - T | 0 | - | 4.54 | 57,998 |
| Flags to Languages | 0 | - | 4.95 | 174,507 |
| All North American Pro Sports Logos | 0 | - | 4.72 | 116,403 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 51,024 |
| Name that Object #2 | 0 | - | 3.63 | 15,525 |
| Name that Object #3 | 0 | - | 3.93 | 14,468 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,872 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 339,535 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,452 |
| Car Logos Quiz #1 | 0 | - | 4.52 | 544,147 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 84,737 |
| Name that Bug | 0 | - | 4.12 | 45,635 |
| Islands by Shape #1 | 0 | - | 4.33 | 84,508 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 58,269 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,976 |
| Elements by Picture | 0 | - | 4.27 | 70,321 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,511 |
| Islands by Picture | 0 | - | 4.28 | 107,785 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,454 |
| Animals by Close-up Image | 0 | - | 4.42 | 219,066 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 46,015 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,479 |
| Mammals by Picture #1 | 0 | - | 4.70 | 92,448 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 48,210 |
| International Footballers by Picture | 0 | - | 4.51 | 56,427 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 286,099 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 108,625 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.51 | 51,229 |
| Geography by Picture - A | 0 | - | 4.39 | 60,434 |
| Geography by Picture - D | 0 | - | 4.15 | 45,786 |
| Geography by Picture - F | 0 | - | 4.31 | 51,171 |
| Geography by Picture - G | 0 | - | 4.39 | 48,074 |
| Geography by Picture - J | 0 | - | 4.16 | 38,593 |
| Geography by Picture - K | 0 | - | 4.29 | 33,247 |
| Geography by Picture - C | 0 | - | 4.31 | 57,235 |
| Geography by Picture - L | 0 | - | 4.37 | 59,136 |
| Geography by Picture - M | 0 | - | 4.14 | 40,579 |
| Geography by Picture - P | 0 | - | 4.24 | 42,564 |
| Geography by Picture - S | 0 | - | 4.38 | 47,178 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 282,063 |
| Flag Maths | 0 | - | 4.61 | 57,842 |
| Satellite Images #1 | 0 | - | 4.46 | 129,979 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,674 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,292 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,222 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,202 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,579 |
| Soccer Team Logos | 0 | - | 4.26 | 377,668 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 263,919 |
| Video Game Logos Quiz | 0 | - | 4.40 | 185,079 |
| Movie Logos | 0 | - | 4.33 | 240,418 |
| Brand Logos That Start with A | 0 | - | 4.52 | 71,172 |
| History by Picture - A | 0 | - | 4.26 | 46,137 |
| History by Picture - B | 0 | - | 4.40 | 49,335 |
| History by Picture - C | 0 | - | 4.33 | 54,867 |
| History by Picture - F | 0 | - | 4.35 | 38,182 |
| History by Picture - G | 0 | - | 4.40 | 42,426 |
| History by Picture - D | 0 | - | 4.29 | 44,641 |
| History by Picture - E | 0 | - | 4.25 | 44,225 |
| History by Picture - H | 0 | - | 4.37 | 37,070 |
| History by Picture - K | 0 | - | 4.35 | 33,600 |
| History by Picture - M | 0 | - | 4.17 | 36,383 |
| History by Picture - N | 0 | - | 4.40 | 41,518 |
| History by Picture - O | 0 | - | 4.39 | 36,544 |
| History by Picture - T | 0 | - | 4.20 | 33,531 |
| Name that Nut, Seed, or Bean | 0 | - | 4.57 | 57,748 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 104,672 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,426 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,438,504 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 119,815 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,860 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 269,772 |
| Foods by Picture | 0 | - | 3.81 | 226,616 |
| Flowers by Picture | 0 | - | 4.46 | 105,865 |
| Junk Foods by Picture | 0 | - | 3.69 | 96,744 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,950 |
| Christmas by Picture | 0 | - | 4.26 | 28,229 |
| Hats by Picture | 0 | - | 4.21 | 18,018 |
| Weapons by Picture | 0 | - | 4.13 | 21,191 |
| Cars by Picture | 0 | - | 3.89 | 41,824 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,386 |
| Authors by Picture | 0 | - | 4.48 | 25,634 |
| Plants by Picture | 0 | - | 4.24 | 14,522 |
| Fruit and Vegetable Emojis | 0 | - | 4.45 | 90,926 |
| WWII Figures by Picture | 0 | - | 4.89 | 66,236 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 56,176 |
| Planets By Picture Quiz | 0 | - | 4.49 | 57,377 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 66,502 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 59,304 |
| Fish by Picture #1 | 0 | - | 4.41 | 109,059 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,860 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,503 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,345 |
| Birds by Picture #1 | 0 | - | 4.47 | 42,046 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,573 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 165,793 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,754 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,666 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 51,369 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 72,117 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.14 | 79,765 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 72,824 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 96,089 |
| Women in History by Picture | 0 | - | 4.25 | 26,025 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 46,346 |
| Famous Foreheads #2 | 0 | - | 3.17 | 15,854 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 240,755 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 160,140 |
| Name that Historical Figure #6 | 0 | - | 4.26 | 94,102 |
| Musicians by Picture #1 | 0 | - | 4.38 | 110,029 |
| Musicians by Picture #2 | 0 | - | 4.29 | 77,388 |
| Musicians by Picture #4 | 0 | - | 4.07 | 65,596 |
| Musicians by Picture #3 | 0 | - | 4.10 | 59,542 |
| Geography by Picture - E | 0 | - | 3.55 | 47,491 |
| Landforms by Picture | 0 | - | 4.31 | 20,745 |
| Geography by Picture - I | 0 | - | 4.00 | 39,531 |
| Geography by Picture - O | 0 | - | 4.01 | 28,240 |
| Emoji Flags | 0 | - | 4.35 | 44,290 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.69 | 38,227 |
| Languages by Combined Flags | 0 | - | 4.53 | 100,650 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,638 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 66,967 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 71,274 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,929 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 395,671 |
| Airline Logos | 0 | - | 4.45 | 141,431 |
| Fast Food Logos Quiz | 0 | - | 4.45 | 249,514 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 159,958 |
| Brand Logos That Start With M | 0 | - | 4.38 | 63,538 |
| Brand Logos That Start With S | 0 | - | 4.37 | 58,301 |
| Brand Logos That Start With B | 0 | - | 4.38 | 60,661 |
| Brand Logos That Start With D | 0 | - | 4.36 | 62,199 |
| Brand Logos That Start With L | 0 | - | 4.39 | 61,912 |
| Brand Logos That Start With C | 0 | - | 4.20 | 50,133 |
| History by Picture - I | 0 | - | 4.24 | 26,443 |
| History by Picture - J | 0 | - | 4.18 | 26,935 |
| History by Picture - L | 0 | - | 4.18 | 31,014 |
| History by Picture - P | 0 | - | 4.08 | 25,473 |
| History by Picture - Q | 0 | - | 4.03 | 22,254 |
| History by Picture - R | 0 | - | 4.13 | 27,048 |
| History by Picture - S | 0 | - | 4.14 | 27,979 |
| History by Picture - U | 0 | - | 4.25 | 25,322 |
