| Former Countries by Territory Map | 0 | - | 4.96 | 104,209 |
| Empires by Maps | 0 | - | 4.98 | 122,547 |
| Merged Company Logos #1 | 0 | - | 4.90 | 107,635 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,598 |
| Name that Object #1 | 0 | - | 3.57 | 96,650 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 105,676 |
| Play-Doh People from History | 0 | - | 4.99 | 95,761 |
| Famous Landmarks Out Of Focus #1 | 0 | - | 4.89 | 61,741 |
| Jeppy in Disguise #1 | 0 | - | 4.92 | 50,120 |
| Jeppy in Disguise #2 | 0 | - | 4.96 | 50,181 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 62,279 |
| All Country Flags of the World | 0 | - | 5.00 | 3,724,494 |
| Years in History by Picture | 0 | - | 4.45 | 35,936 |
| Famous Foreheads #1 | 0 | - | 4.47 | 75,543 |
| Merged Company Logos #2 | 0 | - | 4.75 | 78,436 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,547,760 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,098,229 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 737,127 |
| Old Movies by Picture | 0 | - | 4.51 | 25,294 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 47,348 |
| Name that Object #2 | 0 | - | 3.63 | 15,548 |
| Name that Object #3 | 0 | - | 3.93 | 14,480 |
| Animals by Skeleton Image | 0 | - | 4.81 | 47,047 |
| Make a Stained Glass Window | 0 | - | 5.00 | 69,197 |
| Flags with Crescents | 0 | - | 4.98 | 171,731 |
| Country Flag Trivia | 0 | - | 4.82 | 58,295 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 105,165 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,632 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,876 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 68,119 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 86,162 |
| Badly Drawn Flags #1 | 0 | - | 4.99 | 61,187 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.81 | 53,629 |
| Real vs. Fake Flags | 0 | - | 4.98 | 126,077 |
| Random Logos Quiz | 0 | - | 4.33 | 209,918 |
| Ultimate Car Logos Quiz | 0 | - | 4.81 | 184,894 |
| National Football Team Logos | 0 | - | 4.85 | 182,248 |
| Pictures by Letter - A | 0 | - | 4.18 | 33,696 |
| Pictures by Letter - J | 0 | - | 4.31 | 40,320 |
| Pictures by Letter - B | 0 | - | 4.32 | 44,312 |
| Pictures by Letter - D | 0 | - | 4.14 | 37,848 |
| Pictures by Letter - M | 0 | - | 4.24 | 38,059 |
| Fruits by Picture | 0 | - | 4.19 | 809,814 |
| Geography by Picture - B | 0 | - | 4.42 | 55,830 |
| Geography by Picture - H | 0 | - | 4.50 | 58,429 |
| Geography by Picture - N | 0 | - | 4.45 | 42,395 |
| Geography by Picture - R | 0 | - | 4.56 | 41,191 |
| Geography by Picture - T | 0 | - | 4.54 | 58,044 |
| All North American Pro Sports Logos | 0 | - | 4.72 | 116,629 |
| Flags to Languages | 0 | - | 4.95 | 174,691 |
| Pictures by Letter - E | 0 | - | 3.51 | 34,688 |
| Pictures by Letter - G | 0 | - | 4.14 | 28,427 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,805 |
| Pictures by Letter - F | 0 | - | 4.18 | 29,310 |
| Pictures by Letter - Z | 0 | - | 4.05 | 23,629 |
| Pictures by Letter - Y | 0 | - | 4.21 | 26,487 |
| Pictures by Letter - R | 0 | - | 4.05 | 24,963 |
| Pictures by Letter - K | 0 | - | 4.18 | 25,327 |
| Pictures by Letter - I | 0 | - | 4.16 | 30,618 |
| Pictures by Letter - N | 0 | - | 4.12 | 24,694 |
| Pictures by Letter - P | 0 | - | 4.05 | 26,240 |
| Pictures by Letter - U | 0 | - | 4.10 | 20,966 |
| Pictures by Letter - T | 0 | - | 4.34 | 27,902 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 51,144 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 341,035 |
| Car Logos Quiz #1 | 0 | - | 4.52 | 545,142 |
| Name that Bug | 0 | - | 4.12 | 45,660 |
| Islands by Shape #1 | 0 | - | 4.33 | 84,552 |
| Elements by Picture | 0 | - | 4.27 | 70,391 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,549 |
| Islands by Picture | 0 | - | 4.28 | 107,958 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,486 |
| Famous Landmarks Out Of Focus #2 | 0 | - | 4.37 | 41,621 |
| Geography by Picture - A | 0 | - | 4.39 | 60,485 |
| Geography by Picture - D | 0 | - | 4.15 | 45,824 |
| Geography by Picture - F | 0 | - | 4.31 | 51,229 |
| Geography by Picture - G | 0 | - | 4.39 | 48,120 |
| Geography by Picture - J | 0 | - | 4.16 | 38,632 |
| Geography by Picture - K | 0 | - | 4.29 | 33,290 |
| Geography by Picture - C | 0 | - | 4.31 | 57,280 |
| Geography by Picture - L | 0 | - | 4.37 | 59,175 |
| Geography by Picture - M | 0 | - | 4.14 | 40,617 |
| Geography by Picture - P | 0 | - | 4.24 | 42,602 |
| Geography by Picture - S | 0 | - | 4.38 | 47,211 |
| Video Game Logos Quiz | 0 | - | 4.40 | 185,251 |
| Movie Logos | 0 | - | 4.33 | 240,799 |
| History by Picture - A | 0 | - | 4.26 | 46,225 |
| History by Picture - B | 0 | - | 4.40 | 49,428 |
| History by Picture - C | 0 | - | 4.33 | 54,967 |
| History by Picture - F | 0 | - | 4.35 | 38,260 |
| History by Picture - G | 0 | - | 4.40 | 42,499 |
| History by Picture - D | 0 | - | 4.29 | 44,723 |
| History by Picture - E | 0 | - | 4.25 | 44,307 |
| History by Picture - H | 0 | - | 4.37 | 37,148 |
| History by Picture - K | 0 | - | 4.35 | 33,671 |
| History by Picture - M | 0 | - | 4.17 | 36,449 |
| History by Picture - N | 0 | - | 4.40 | 41,587 |
| History by Picture - O | 0 | - | 4.39 | 36,600 |
| History by Picture - T | 0 | - | 4.20 | 33,595 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 84,869 |
| Animals by Close-up Image | 0 | - | 4.42 | 219,532 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 46,065 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,545 |
| Mammals by Picture #1 | 0 | - | 4.69 | 92,563 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,987 |
| International Footballers by Picture | 0 | - | 4.51 | 56,595 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 287,403 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 109,675 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.51 | 51,774 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 282,395 |
| Flag Maths | 0 | - | 4.61 | 57,864 |
| Satellite Images #1 | 0 | - | 4.46 | 130,094 |
| Satellite Images Quiz #2 | 0 | - | 4.64 | 109,810 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,455 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,302 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,266 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,648 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,667 |
| Soccer Team Logos | 0 | - | 4.26 | 378,270 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 264,300 |
| Brand Logos That Start with A | 0 | - | 4.52 | 71,343 |
| Name that Nut, Seed, or Bean | 0 | - | 4.57 | 57,867 |
| Foods by Picture | 0 | - | 3.81 | 226,747 |
| Junk Foods by Picture | 0 | - | 3.69 | 96,831 |
| Christmas by Picture | 0 | - | 4.26 | 28,240 |
| Hats by Picture | 0 | - | 4.21 | 18,028 |
| Weapons by Picture | 0 | - | 4.13 | 21,225 |
| Cars by Picture | 0 | - | 3.89 | 41,861 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,401 |
| Plants by Picture | 0 | - | 4.24 | 14,532 |
| Women in History by Picture | 0 | - | 4.25 | 26,069 |
| Famous Foreheads #2 | 0 | - | 3.17 | 15,881 |
| Geography by Picture - E | 0 | - | 3.54 | 47,520 |
| Landforms by Picture | 0 | - | 4.31 | 20,774 |
| Geography by Picture - I | 0 | - | 4.00 | 39,558 |
| Geography by Picture - O | 0 | - | 4.01 | 28,270 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,671 |
| Pictures by Letter - H | 0 | - | 3.97 | 30,697 |
| Pictures by Letter - C | 0 | - | 4.00 | 30,445 |
| Pictures by Letter - O | 0 | - | 3.98 | 28,876 |
| Pictures by Letter - Q | 0 | - | 3.92 | 20,605 |
| Pictures by Letter - S | 0 | - | 3.82 | 21,142 |
| Pictures by Letter - W | 0 | - | 3.87 | 20,316 |
| Pictures by Letter - V | 0 | - | 4.00 | 18,142 |
| History by Picture - I | 0 | - | 4.24 | 26,503 |
| History by Picture - J | 0 | - | 4.18 | 26,993 |
| History by Picture - L | 0 | - | 4.18 | 31,065 |
| History by Picture - P | 0 | - | 4.08 | 25,525 |
| History by Picture - Q | 0 | - | 4.03 | 22,295 |
| History by Picture - R | 0 | - | 4.13 | 27,094 |
| History by Picture - S | 0 | - | 4.14 | 28,024 |
| History by Picture - U | 0 | - | 4.25 | 25,369 |
| History by Picture - V | 0 | - | 4.31 | 25,350 |
| History by Picture - W | 0 | - | 4.01 | 21,845 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 119,976 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 106,112 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 269,915 |
| Flowers by Picture | 0 | - | 4.46 | 105,890 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 49,027 |
| Authors by Picture | 0 | - | 4.48 | 25,652 |
| Fruit and Vegetable Emojis | 0 | - | 4.45 | 91,118 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 56,235 |
| Planets By Picture Quiz | 0 | - | 4.49 | 57,484 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 66,594 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 59,384 |
| Fish by Picture #1 | 0 | - | 4.41 | 109,136 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,964 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,563 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,384 |
| Birds by Picture #1 | 0 | - | 4.47 | 42,137 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,629 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 165,869 |
| Name that Historical Figure #3 | 0 | - | 4.37 | 248,844 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 161,276 |
| Name that Historical Figure #6 | 0 | - | 4.26 | 95,091 |
| Musicians by Picture #1 | 0 | - | 4.38 | 110,291 |
| Musicians by Picture #2 | 0 | - | 4.29 | 77,575 |
| Musicians by Picture #4 | 0 | - | 4.07 | 65,760 |
| Musicians by Picture #3 | 0 | - | 4.10 | 59,670 |
| Emoji Flags | 0 | - | 4.35 | 44,327 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.69 | 38,294 |
| Languages by Combined Flags | 0 | - | 4.53 | 100,805 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,708 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 67,102 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 71,377 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,953 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 396,638 |
| Airline Logos | 0 | - | 4.45 | 141,566 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,441,462 |
| Fast Food Logos Quiz | 0 | - | 4.45 | 249,727 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 160,139 |
| Brand Logos That Start With M | 0 | - | 4.38 | 63,668 |
| Brand Logos That Start With S | 0 | - | 4.37 | 58,446 |
| Brand Logos That Start With B | 0 | - | 4.38 | 60,778 |
| Brand Logos That Start With D | 0 | - | 4.37 | 62,338 |
| Brand Logos That Start With L | 0 | - | 4.40 | 62,040 |
| Brand Logos That Start With C | 0 | - | 4.21 | 50,234 |
| Vegetables by Picture | 0 | - | 4.39 | 63,938 |
| Pick a Picture - Musical Instruments | 0 | - | 4.53 | 52,800 |
| WWII Figures by Picture | 0 | - | 4.89 | 66,484 |
