| Former Countries by Territory Map | 0 | - | 4.96 | 103,112 |
| Empires by Maps | 0 | - | 4.98 | 120,952 |
| Merged Company Logos #1 | 0 | - | 4.90 | 106,790 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,344 |
| Name that Object #1 | 0 | - | 3.57 | 96,533 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 104,706 |
| Play-Doh People from History | 0 | - | 4.99 | 95,062 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,754 |
| All Country Flags of the World | 0 | - | 5.00 | 3,680,140 |
| Years in History by Picture | 0 | - | 4.44 | 35,605 |
| Famous Foreheads #1 | 0 | - | 4.47 | 75,090 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,540,070 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,094,302 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 734,405 |
| Old Movies by Picture | 0 | - | 4.51 | 25,149 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 47,130 |
| Name that Object #3 | 0 | - | 3.93 | 14,425 |
| Animals by Skeleton Image | 0 | - | 4.81 | 46,661 |
| Make a Stained Glass Window | 0 | - | 5.00 | 68,684 |
| Flags with Crescents | 0 | - | 4.98 | 170,103 |
| Country Flag Trivia | 0 | - | 4.81 | 57,354 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,141 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,812 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,793 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,492 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,479 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 53,050 |
| Random Logos Quiz | 0 | - | 4.33 | 208,798 |
| Ultimate Car Logos Quiz | 0 | - | 4.81 | 181,812 |
| National Football Team Logos | 0 | - | 4.85 | 180,855 |
| Pictures by Letter - A | 0 | - | 4.18 | 33,512 |
| Pictures by Letter - J | 0 | - | 4.31 | 40,134 |
| Pictures by Letter - B | 0 | - | 4.32 | 44,084 |
| Pictures by Letter - D | 0 | - | 4.14 | 37,683 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,880 |
| Fruits by Picture | 0 | - | 4.19 | 807,988 |
| Geography by Picture - B | 0 | - | 4.42 | 55,675 |
| Geography by Picture - H | 0 | - | 4.50 | 58,281 |
| Geography by Picture - N | 0 | - | 4.45 | 42,250 |
| Geography by Picture - R | 0 | - | 4.56 | 41,070 |
| Geography by Picture - T | 0 | - | 4.54 | 57,900 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 115,566 |
| Flags to Languages | 0 | - | 4.95 | 173,923 |
| Pictures by Letter - E | 0 | - | 3.51 | 34,556 |
| Pictures by Letter - G | 0 | - | 4.14 | 28,253 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,644 |
| Pictures by Letter - F | 0 | - | 4.18 | 29,135 |
| Pictures by Letter - Z | 0 | - | 4.05 | 23,519 |
| Pictures by Letter - Y | 0 | - | 4.21 | 26,369 |
| Pictures by Letter - R | 0 | - | 4.05 | 24,837 |
| Pictures by Letter - K | 0 | - | 4.18 | 25,196 |
| Pictures by Letter - I | 0 | - | 4.16 | 30,459 |
| Pictures by Letter - N | 0 | - | 4.11 | 24,562 |
| Pictures by Letter - P | 0 | - | 4.05 | 26,119 |
| Pictures by Letter - U | 0 | - | 4.10 | 20,840 |
| Pictures by Letter - T | 0 | - | 4.34 | 27,756 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,698 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 338,128 |
| Car Logos Quiz #1 | 0 | - | 4.52 | 540,912 |
| Name that Bug | 0 | - | 4.12 | 45,588 |
| Islands by Shape #1 | 0 | - | 4.33 | 84,419 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 58,049 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,773 |
| Elements by Picture | 0 | - | 4.27 | 70,081 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,385 |
| Islands by Picture | 0 | - | 4.28 | 107,252 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,314 |
| Geography by Picture - A | 0 | - | 4.39 | 60,325 |
| Geography by Picture - D | 0 | - | 4.15 | 45,710 |
| Geography by Picture - F | 0 | - | 4.31 | 51,070 |
| Geography by Picture - G | 0 | - | 4.39 | 48,000 |
| Geography by Picture - J | 0 | - | 4.16 | 38,514 |
| Geography by Picture - K | 0 | - | 4.29 | 33,174 |
| Geography by Picture - C | 0 | - | 4.31 | 57,129 |
| Geography by Picture - L | 0 | - | 4.37 | 59,038 |
| Geography by Picture - M | 0 | - | 4.14 | 40,506 |
| Geography by Picture - P | 0 | - | 4.24 | 42,480 |
| Geography by Picture - S | 0 | - | 4.38 | 47,086 |
| Video Game Logos Quiz | 0 | - | 4.40 | 184,363 |
| Movie Logos | 0 | - | 4.33 | 239,137 |
| History by Picture - A | 0 | - | 4.26 | 45,932 |
| History by Picture - B | 0 | - | 4.40 | 49,118 |
| History by Picture - C | 0 | - | 4.36 | 54,634 |
| History by Picture - F | 0 | - | 4.35 | 38,001 |
| History by Picture - G | 0 | - | 4.40 | 42,248 |
| History by Picture - D | 0 | - | 4.29 | 44,441 |
| History by Picture - E | 0 | - | 4.25 | 44,054 |
| History by Picture - H | 0 | - | 4.37 | 36,897 |
| History by Picture - K | 0 | - | 4.35 | 33,454 |
| History by Picture - M | 0 | - | 4.17 | 36,234 |
| History by Picture - N | 0 | - | 4.40 | 41,360 |
| History by Picture - O | 0 | - | 4.39 | 36,400 |
| History by Picture - T | 0 | - | 4.20 | 33,395 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 84,327 |
| Animals by Close-up Image | 0 | - | 4.42 | 218,558 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,784 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,331 |
| Mammals by Picture #1 | 0 | - | 4.70 | 92,024 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,591 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 48,089 |
| International Footballers by Picture | 0 | - | 4.50 | 55,892 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 285,067 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 107,992 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.51 | 50,958 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 280,992 |
| Flag Maths | 0 | - | 4.64 | 57,792 |
| Satellite Images #1 | 0 | - | 4.47 | 129,486 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,404 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,990 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,009 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,043 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 63,170 |
| Cities by Picture #1 | 0 | - | 4.73 | 86,183 |
| Soccer Team Logos | 0 | - | 4.26 | 375,631 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 262,659 |
| Brand Logos That Start with A | 0 | - | 4.52 | 70,658 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 57,410 |
| Foods by Picture | 0 | - | 3.81 | 226,275 |
| Junk Foods by Picture | 0 | - | 3.69 | 96,487 |
| Christmas by Picture | 0 | - | 4.26 | 28,201 |
| Hats by Picture | 0 | - | 4.21 | 17,987 |
| Weapons by Picture | 0 | - | 4.13 | 21,101 |
| Cars by Picture | 0 | - | 3.89 | 41,619 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,318 |
| Plants by Picture | 0 | - | 4.24 | 14,479 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 104,113 |
| Women in History by Picture | 0 | - | 4.25 | 25,962 |
| Famous Foreheads #2 | 0 | - | 3.17 | 15,806 |
| Geography by Picture - E | 0 | - | 3.55 | 47,424 |
| Landforms by Picture | 0 | - | 4.31 | 20,701 |
| Geography by Picture - I | 0 | - | 4.00 | 39,467 |
| Geography by Picture - O | 0 | - | 4.01 | 28,175 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,843 |
| Pictures by Letter - H | 0 | - | 3.97 | 30,553 |
| Pictures by Letter - C | 0 | - | 4.00 | 30,299 |
| Pictures by Letter - O | 0 | - | 3.98 | 28,748 |
| Pictures by Letter - Q | 0 | - | 3.92 | 20,493 |
| Pictures by Letter - S | 0 | - | 3.82 | 21,018 |
| Pictures by Letter - W | 0 | - | 3.87 | 20,199 |
| Pictures by Letter - V | 0 | - | 4.00 | 18,045 |
| History by Picture - I | 0 | - | 4.24 | 26,316 |
| History by Picture - J | 0 | - | 4.18 | 26,814 |
| History by Picture - L | 0 | - | 4.18 | 30,867 |
| History by Picture - P | 0 | - | 4.08 | 25,359 |
| History by Picture - Q | 0 | - | 4.03 | 22,147 |
| History by Picture - R | 0 | - | 4.13 | 26,926 |
| History by Picture - S | 0 | - | 4.14 | 27,855 |
| History by Picture - U | 0 | - | 4.24 | 25,205 |
| History by Picture - V | 0 | - | 4.30 | 25,185 |
| History by Picture - W | 0 | - | 4.01 | 21,705 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 119,470 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,537 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 269,242 |
| Flowers by Picture | 0 | - | 4.46 | 105,730 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,832 |
| Authors by Picture | 0 | - | 4.48 | 25,561 |
| Fruit and Vegetable Emojis | 0 | - | 4.45 | 90,342 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 55,948 |
| Planets By Picture Quiz | 0 | - | 4.49 | 57,013 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 66,179 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 59,024 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,644 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,605 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,275 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,203 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,810 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,355 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 165,354 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,545 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,515 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 51,246 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 71,855 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.14 | 79,544 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 72,574 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 95,759 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 46,229 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 239,832 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 159,465 |
| Name that Historical Figure #6 | 0 | - | 4.26 | 93,586 |
| Musicians by Picture #1 | 0 | - | 4.37 | 109,236 |
| Musicians by Picture #2 | 0 | - | 4.29 | 76,770 |
| Musicians by Picture #4 | 0 | - | 4.07 | 65,153 |
| Musicians by Picture #3 | 0 | - | 4.10 | 59,173 |
| Emoji Flags | 0 | - | 4.35 | 44,152 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.68 | 37,993 |
| Languages by Combined Flags | 0 | - | 4.53 | 100,222 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,449 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 66,622 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,913 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,853 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 394,948 |
| Airline Logos | 0 | - | 4.45 | 140,996 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,428,686 |
| Fast Food Logos Quiz | 0 | - | 4.45 | 248,798 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 159,374 |
| Brand Logos That Start With M | 0 | - | 4.40 | 63,099 |
| Brand Logos That Start With S | 0 | - | 4.37 | 57,880 |
| Brand Logos That Start With B | 0 | - | 4.38 | 60,248 |
| Brand Logos That Start With D | 0 | - | 4.35 | 61,804 |
| Brand Logos That Start With L | 0 | - | 4.39 | 61,436 |
