| Former Countries by Territory Map | 0 | - | 4.96 | 104,199 |
| Empires by Maps | 0 | - | 4.98 | 122,521 |
| Merged Company Logos #1 | 0 | - | 4.90 | 107,622 |
| Video Game Logos Quiz | 0 | - | 4.40 | 185,244 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,596 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 105,661 |
| Play-Doh People from History | 0 | - | 4.99 | 95,751 |
| Famous Landmarks Out Of Focus #1 | 0 | - | 4.89 | 61,737 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 62,277 |
| All Country Flags of the World | 0 | - | 5.00 | 3,724,099 |
| Years in History by Picture | 0 | - | 4.45 | 35,933 |
| Famous Foreheads #1 | 0 | - | 4.47 | 75,541 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,547,700 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,098,184 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 737,099 |
| Merged Company Logos #2 | 0 | - | 4.75 | 78,428 |
| Name that Object #1 | 0 | - | 3.57 | 96,650 |
| Animals by Skeleton Image | 0 | - | 4.81 | 47,043 |
| Make a Stained Glass Window | 0 | - | 5.00 | 69,192 |
| Flags with Crescents | 0 | - | 4.98 | 171,722 |
| Country Flag Trivia | 0 | - | 4.82 | 58,287 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 105,158 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,622 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,870 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 68,115 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 86,157 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.81 | 53,623 |
| Real vs. Fake Flags | 0 | - | 4.98 | 126,059 |
| Ultimate Car Logos Quiz | 0 | - | 4.81 | 184,813 |
| National Football Team Logos | 0 | - | 4.85 | 182,221 |
| Old Movies by Picture | 0 | - | 4.51 | 25,293 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 47,346 |
| Random Logos Quiz | 0 | - | 4.33 | 209,906 |
| Pictures by Letter - A | 0 | - | 4.18 | 33,689 |
| 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 | 809,801 |
| 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 | 41,188 |
| Geography by Picture - T | 0 | - | 4.54 | 58,042 |
| Flags to Languages | 0 | - | 4.95 | 174,684 |
| All North American Pro Sports Logos | 0 | - | 4.72 | 116,626 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 51,140 |
| Original 151 Pokémon | 0 | - | 4.96 | 798,423 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 84,865 |
| Name that Object #2 | 0 | - | 3.63 | 15,546 |
| Name that Object #3 | 0 | - | 3.93 | 14,478 |
| Pokémon by Picture | 0 | - | 4.38 | 75,362 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,985 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 341,015 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,642 |
| Car Logos Quiz #1 | 0 | - | 4.52 | 545,084 |
| 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 | 23,624 |
| Pictures by Letter - Y | 0 | - | 4.21 | 26,483 |
| Pictures by Letter - R | 0 | - | 4.05 | 24,959 |
| Pictures by Letter - K | 0 | - | 4.18 | 25,322 |
| Pictures by Letter - I | 0 | - | 4.16 | 30,615 |
| Pictures by Letter - N | 0 | - | 4.12 | 24,690 |
| Pictures by Letter - P | 0 | - | 4.05 | 26,235 |
| Pictures by Letter - U | 0 | - | 4.10 | 20,961 |
| Pictures by Letter - T | 0 | - | 4.34 | 27,899 |
| All the Pokémon (#0001 to #1025) | 0 | - | 4.98 | 135,520 |
| Name that Bug | 0 | - | 4.12 | 45,658 |
| Islands by Shape #1 | 0 | - | 4.33 | 84,549 |
| Elements by Picture | 0 | - | 4.27 | 70,389 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,547 |
| Islands by Picture | 0 | - | 4.28 | 107,953 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,483 |
| Animals by Close-up Image | 0 | - | 4.42 | 219,522 |
| 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 | 92,556 |
| International Footballers by Picture | 0 | - | 4.51 | 56,580 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 287,385 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 109,657 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.51 | 51,771 |
| Geography by Picture - A | 0 | - | 4.39 | 60,483 |
| 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 | 57,279 |
| 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 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 282,385 |
| Flag Maths | 0 | - | 4.61 | 57,864 |
| Satellite Images #1 | 0 | - | 4.46 | 130,073 |
| Satellite Images Quiz #2 | 0 | - | 4.64 | 109,766 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,446 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,293 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,254 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,662 |
| Soccer Team Logos | 0 | - | 4.26 | 378,232 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 264,277 |
| Movie Logos | 0 | - | 4.33 | 240,776 |
| Brand Logos That Start with A | 0 | - | 4.52 | 71,338 |
| History by Picture - A | 0 | - | 4.26 | 46,224 |
| History by Picture - B | 0 | - | 4.40 | 49,424 |
| History by Picture - C | 0 | - | 4.33 | 54,963 |
| History by Picture - F | 0 | - | 4.35 | 38,258 |
| 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 | 44,304 |
| 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 | 36,597 |
| History by Picture - T | 0 | - | 4.20 | 33,593 |
| Name that Nut, Seed, or Bean | 0 | - | 4.57 | 57,866 |
| Countries of the World in Plague Inc. | 0 | - | 4.53 | 30,288 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,654 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,441,303 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 119,971 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 106,104 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 269,914 |
| Foods by Picture | 0 | - | 3.81 | 226,743 |
| Flowers by Picture | 0 | - | 4.46 | 105,890 |
| Junk Foods by Picture | 0 | - | 3.69 | 96,831 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 49,023 |
| 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 | 41,859 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,400 |
| Authors by Picture | 0 | - | 4.48 | 25,652 |
| Plants by Picture | 0 | - | 4.24 | 14,532 |
| Fruit and Vegetable Emojis | 0 | - | 4.45 | 91,112 |
| WWII Figures by Picture | 0 | - | 4.89 | 66,482 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 56,229 |
| Planets By Picture Quiz | 0 | - | 4.49 | 57,482 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 66,590 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 59,380 |
| Fish by Picture #1 | 0 | - | 4.41 | 109,132 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,956 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,559 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,382 |
| Birds by Picture #1 | 0 | - | 4.47 | 42,133 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,624 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 165,868 |
| Women in History by Picture | 0 | - | 4.25 | 26,068 |
| Famous Foreheads #2 | 0 | - | 3.17 | 15,879 |
| Name that Historical Figure #3 | 0 | - | 4.37 | 248,775 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 161,262 |
| Name that Historical Figure #6 | 0 | - | 4.26 | 95,080 |
| Musicians by Picture #1 | 0 | - | 4.38 | 110,281 |
| Musicians by Picture #2 | 0 | - | 4.29 | 77,566 |
| Musicians by Picture #4 | 0 | - | 4.07 | 65,757 |
| Musicians by Picture #3 | 0 | - | 4.10 | 59,666 |
| Geography by Picture - E | 0 | - | 3.54 | 47,520 |
| Landforms by Picture | 0 | - | 4.31 | 20,772 |
| Geography by Picture - I | 0 | - | 4.00 | 39,556 |
| Geography by Picture - O | 0 | - | 4.01 | 28,269 |
| Emoji Flags | 0 | - | 4.35 | 44,324 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.69 | 38,290 |
| Languages by Combined Flags | 0 | - | 4.53 | 100,797 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,695 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 67,089 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 71,373 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,951 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 396,626 |
| Airline Logos | 0 | - | 4.45 | 141,560 |
| Fast Food Logos Quiz | 0 | - | 4.45 | 249,717 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 160,134 |
| Brand Logos That Start With M | 0 | - | 4.38 | 63,664 |
| Brand Logos That Start With S | 0 | - | 4.37 | 58,440 |
| Brand Logos That Start With B | 0 | - | 4.38 | 60,772 |
| 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 | 50,232 |
| Pictures by Letter - H | 0 | - | 3.97 | 30,691 |
| Pictures by Letter - C | 0 | - | 4.00 | 30,441 |
| Pictures by Letter - O | 0 | - | 3.98 | 28,873 |
| Pictures by Letter - Q | 0 | - | 3.92 | 20,596 |
| Pictures by Letter - S | 0 | - | 3.82 | 21,135 |
| Pictures by Letter - W | 0 | - | 3.87 | 20,309 |
| Pictures by Letter - V | 0 | - | 4.00 | 18,139 |
| 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 | 31,063 |
| 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 |
| Vegetables by Picture | 0 | - | 4.39 | 63,934 |
| Pick a Picture - Musical Instruments | 0 | - | 4.53 | 52,795 |
