| Former Countries by Territory Map | 0 | - | 4.96 | 104,200 |
| Empires by Maps | 0 | - | 4.98 | 122,525 |
| Merged Company Logos #1 | 0 | - | 4.90 | 107,627 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,596 |
| Name that Object #1 | 0 | - | 3.57 | 96,650 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 105,666 |
| Play-Doh People from History | 0 | - | 4.99 | 95,753 |
| Famous Landmarks Out Of Focus #1 | 0 | - | 4.89 | 61,737 |
| Jeppy in Disguise #1 | 0 | - | 4.92 | 50,119 |
| Jeppy in Disguise #2 | 0 | - | 4.96 | 50,177 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 62,277 |
| All Country Flags of the World | 0 | - | 5.00 | 3,724,237 |
| Years in History by Picture | 0 | - | 4.45 | 35,935 |
| Famous Foreheads #1 | 0 | - | 4.47 | 75,541 |
| Merged Company Logos #2 | 0 | - | 4.75 | 78,429 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,547,722 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,098,201 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 737,109 |
| Old Movies by Picture | 0 | - | 4.51 | 25,293 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 47,346 |
| Name that Object #2 | 0 | - | 3.63 | 15,547 |
| Name that Object #3 | 0 | - | 3.93 | 14,478 |
| Animals by Skeleton Image | 0 | - | 4.81 | 47,044 |
| Make a Stained Glass Window | 0 | - | 5.00 | 69,193 |
| Flags with Crescents | 0 | - | 4.98 | 171,724 |
| Country Flag Trivia | 0 | - | 4.82 | 58,292 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 105,159 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,629 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,874 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 68,117 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 86,158 |
| Badly Drawn Flags #1 | 0 | - | 4.99 | 61,187 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.81 | 53,625 |
| Real vs. Fake Flags | 0 | - | 4.98 | 126,063 |
| Random Logos Quiz | 0 | - | 4.33 | 209,908 |
| Ultimate Car Logos Quiz | 0 | - | 4.81 | 184,822 |
| National Football Team Logos | 0 | - | 4.85 | 182,229 |
| Pictures by Letter - A | 0 | - | 4.18 | 33,690 |
| Pictures by Letter - J | 0 | - | 4.31 | 40,320 |
| Pictures by Letter - B | 0 | - | 4.32 | 44,307 |
| Pictures by Letter - D | 0 | - | 4.14 | 37,846 |
| Pictures by Letter - M | 0 | - | 4.24 | 38,056 |
| Fruits by Picture | 0 | - | 4.19 | 809,803 |
| Geography by Picture - B | 0 | - | 4.42 | 55,830 |
| Geography by Picture - H | 0 | - | 4.50 | 58,427 |
| Geography by Picture - N | 0 | - | 4.45 | 42,394 |
| Geography by Picture - R | 0 | - | 4.56 | 41,189 |
| Geography by Picture - T | 0 | - | 4.54 | 58,043 |
| All North American Pro Sports Logos | 0 | - | 4.72 | 116,628 |
| Flags to Languages | 0 | - | 4.95 | 174,689 |
| Pictures by Letter - E | 0 | - | 3.51 | 34,685 |
| Pictures by Letter - G | 0 | - | 4.14 | 28,422 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,800 |
| Pictures by Letter - F | 0 | - | 4.18 | 29,307 |
| Pictures by Letter - Z | 0 | - | 4.05 | 23,626 |
| Pictures by Letter - Y | 0 | - | 4.21 | 26,484 |
| Pictures by Letter - R | 0 | - | 4.05 | 24,960 |
| Pictures by Letter - K | 0 | - | 4.18 | 25,324 |
| Pictures by Letter - I | 0 | - | 4.16 | 30,616 |
| Pictures by Letter - N | 0 | - | 4.12 | 24,692 |
| Pictures by Letter - P | 0 | - | 4.05 | 26,237 |
| Pictures by Letter - U | 0 | - | 4.10 | 20,963 |
| Pictures by Letter - T | 0 | - | 4.34 | 27,900 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 51,142 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 341,022 |
| Car Logos Quiz #1 | 0 | - | 4.52 | 545,101 |
| Name that Bug | 0 | - | 4.12 | 45,658 |
| Islands by Shape #1 | 0 | - | 4.33 | 84,552 |
| Elements by Picture | 0 | - | 4.27 | 70,389 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,547 |
| Islands by Picture | 0 | - | 4.28 | 107,954 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,483 |
| Famous Landmarks Out Of Focus #2 | 0 | - | 4.37 | 41,619 |
| Geography by Picture - A | 0 | - | 4.39 | 60,484 |
| Geography by Picture - D | 0 | - | 4.15 | 45,824 |
| Geography by Picture - F | 0 | - | 4.31 | 51,228 |
| 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 | 59,173 |
| Geography by Picture - M | 0 | - | 4.14 | 40,616 |
| Geography by Picture - P | 0 | - | 4.24 | 42,600 |
| Geography by Picture - S | 0 | - | 4.38 | 47,211 |
| Video Game Logos Quiz | 0 | - | 4.40 | 185,248 |
| Movie Logos | 0 | - | 4.33 | 240,784 |
| History by Picture - A | 0 | - | 4.26 | 46,224 |
| History by Picture - B | 0 | - | 4.40 | 49,426 |
| History by Picture - C | 0 | - | 4.33 | 54,965 |
| History by Picture - F | 0 | - | 4.35 | 38,259 |
| History by Picture - G | 0 | - | 4.40 | 42,496 |
| History by Picture - D | 0 | - | 4.29 | 44,721 |
| History by Picture - E | 0 | - | 4.25 | 44,305 |
| History by Picture - H | 0 | - | 4.37 | 37,143 |
| History by Picture - K | 0 | - | 4.35 | 33,670 |
| History by Picture - M | 0 | - | 4.17 | 36,447 |
| History by Picture - N | 0 | - | 4.40 | 41,585 |
| History by Picture - O | 0 | - | 4.39 | 36,598 |
| History by Picture - T | 0 | - | 4.20 | 33,593 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 84,866 |
| Animals by Close-up Image | 0 | - | 4.42 | 219,523 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 46,062 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,543 |
| Mammals by Picture #1 | 0 | - | 4.69 | 92,557 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,985 |
| International Footballers by Picture | 0 | - | 4.51 | 56,585 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 287,392 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 109,663 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.51 | 51,773 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 282,388 |
| Flag Maths | 0 | - | 4.61 | 57,864 |
| Satellite Images #1 | 0 | - | 4.46 | 130,080 |
| Satellite Images Quiz #2 | 0 | - | 4.64 | 109,783 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,448 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,295 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,257 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,644 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,665 |
| Soccer Team Logos | 0 | - | 4.26 | 378,240 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 264,279 |
| Brand Logos That Start with A | 0 | - | 4.52 | 71,340 |
| Name that Nut, Seed, or Bean | 0 | - | 4.57 | 57,867 |
| Foods by Picture | 0 | - | 3.81 | 226,746 |
| 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 | 21,223 |
| Cars by Picture | 0 | - | 3.89 | 41,861 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,400 |
| Plants by Picture | 0 | - | 4.24 | 14,532 |
| Women in History by Picture | 0 | - | 4.25 | 26,068 |
| Famous Foreheads #2 | 0 | - | 3.17 | 15,880 |
| Geography by Picture - E | 0 | - | 3.54 | 47,520 |
| Landforms by Picture | 0 | - | 4.31 | 20,773 |
| Geography by Picture - I | 0 | - | 4.00 | 39,557 |
| Geography by Picture - O | 0 | - | 4.01 | 28,269 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,663 |
| Pictures by Letter - H | 0 | - | 3.97 | 30,692 |
| Pictures by Letter - C | 0 | - | 4.00 | 30,442 |
| Pictures by Letter - O | 0 | - | 3.98 | 28,874 |
| Pictures by Letter - Q | 0 | - | 3.92 | 20,598 |
| Pictures by Letter - S | 0 | - | 3.82 | 21,137 |
| Pictures by Letter - W | 0 | - | 3.87 | 20,311 |
| Pictures by Letter - V | 0 | - | 4.00 | 18,140 |
| History by Picture - I | 0 | - | 4.24 | 26,501 |
| History by Picture - J | 0 | - | 4.18 | 26,992 |
| History by Picture - L | 0 | - | 4.18 | 31,064 |
| History by Picture - P | 0 | - | 4.08 | 25,523 |
| History by Picture - Q | 0 | - | 4.03 | 22,295 |
| History by Picture - R | 0 | - | 4.13 | 27,092 |
| History by Picture - S | 0 | - | 4.14 | 28,022 |
| History by Picture - U | 0 | - | 4.25 | 25,368 |
| History by Picture - V | 0 | - | 4.31 | 25,350 |
| History by Picture - W | 0 | - | 4.01 | 21,843 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 119,972 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 106,106 |
| 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 | 49,025 |
| Authors by Picture | 0 | - | 4.48 | 25,652 |
| Fruit and Vegetable Emojis | 0 | - | 4.45 | 91,114 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 56,231 |
| Planets By Picture Quiz | 0 | - | 4.49 | 57,482 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 66,593 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 59,383 |
| Fish by Picture #1 | 0 | - | 4.41 | 109,134 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,958 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,560 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,382 |
| Birds by Picture #1 | 0 | - | 4.47 | 42,134 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,624 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 165,869 |
| Name that Historical Figure #3 | 0 | - | 4.37 | 248,804 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 161,267 |
| Name that Historical Figure #6 | 0 | - | 4.26 | 95,082 |
| Musicians by Picture #1 | 0 | - | 4.38 | 110,286 |
| Musicians by Picture #2 | 0 | - | 4.29 | 77,570 |
| Musicians by Picture #4 | 0 | - | 4.07 | 65,759 |
| Musicians by Picture #3 | 0 | - | 4.10 | 59,668 |
| Emoji Flags | 0 | - | 4.35 | 44,325 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.69 | 38,291 |
| Languages by Combined Flags | 0 | - | 4.53 | 100,799 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,699 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 67,092 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 71,373 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,952 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 396,632 |
| Airline Logos | 0 | - | 4.45 | 141,564 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,441,339 |
| Fast Food Logos Quiz | 0 | - | 4.45 | 249,723 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 160,135 |
| Brand Logos That Start With M | 0 | - | 4.38 | 63,665 |
| Brand Logos That Start With S | 0 | - | 4.37 | 58,442 |
| Brand Logos That Start With B | 0 | - | 4.38 | 60,773 |
| Brand Logos That Start With D | 0 | - | 4.37 | 62,333 |
| Brand Logos That Start With L | 0 | - | 4.40 | 62,039 |
| Brand Logos That Start With C | 0 | - | 4.21 | 50,233 |
| Vegetables by Picture | 0 | - | 4.39 | 63,936 |
| Pick a Picture - Musical Instruments | 0 | - | 4.53 | 52,797 |
| WWII Figures by Picture | 0 | - | 4.89 | 66,482 |
