| Musical Instruments by Picture #2 | 0 | - | 4.24 | 47,034 |
| Former Countries by Territory Map | 0 | - | 4.96 | 102,795 |
| Empires by Maps | 0 | - | 4.98 | 120,454 |
| Merged Company Logos #1 | 0 | - | 4.90 | 106,513 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 268,948 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 65,990 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 58,879 |
| Pick a Picture - Musical Instruments | 0 | - | 4.53 | 52,344 |
| Musicians by Picture #1 | 0 | - | 4.37 | 108,794 |
| Musicians by Picture #2 | 0 | - | 4.29 | 76,436 |
| Musicians by Picture #4 | 0 | - | 4.07 | 64,915 |
| Musicians by Picture #3 | 0 | - | 4.10 | 59,001 |
| All Country Flags of the World | 0 | - | 5.00 | 3,663,592 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,268 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 104,347 |
| Play-Doh People from History | 0 | - | 4.99 | 94,794 |
| Famous Landmarks Out Of Focus #1 | 0 | - | 4.89 | 61,041 |
| Jeppy in Disguise #1 | 0 | - | 4.92 | 49,379 |
| Jeppy in Disguise #2 | 0 | - | 4.96 | 49,535 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,613 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,537,167 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,092,904 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 733,418 |
| Animals by Skeleton Image | 0 | - | 4.81 | 46,490 |
| Make a Stained Glass Window | 0 | - | 4.99 | 68,513 |
| Musicians by Picture #5 | 0 | - | 3.93 | 54,275 |
| Flags with Crescents | 0 | - | 4.98 | 169,578 |
| Country Flag Trivia | 0 | - | 4.81 | 57,033 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,759 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,510 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,431 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,275 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,235 |
| Badly Drawn Flags #1 | 0 | - | 4.99 | 60,500 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,804 |
| Real vs. Fake Flags | 0 | - | 4.98 | 124,238 |
| Ultimate Car Logos Quiz | 0 | - | 4.81 | 180,529 |
| National Football Team Logos | 0 | - | 4.85 | 180,383 |
| Countries by National Anthem | 0 | - | 4.93 | 71,235 |
| Bob Dylan Lyrics | 0 | - | 4.13 | 19,793 |
| Take Me Home, Country Roads Lyrics | 0 | - | 4.94 | 67,962 |
| Years in History by Picture | 0 | - | 4.44 | 35,521 |
| Where Are These Doors? | 0 | - | 4.45 | 29,994 |
| Famous Foreheads #1 | 0 | - | 4.47 | 74,917 |
| Merged Company Logos #2 | 0 | - | 4.75 | 77,576 |
| Rappers by Picture | 0 | - | 4.22 | 134,448 |
| Flags to Languages | 0 | - | 4.95 | 173,638 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,533 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 84,097 |
| Fruits by Picture | 0 | - | 4.19 | 807,285 |
| Old Movies by Picture | 0 | - | 4.51 | 25,098 |
| Name that Object #1 | 0 | - | 3.57 | 96,500 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,412 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 337,554 |
| Geography by Picture - B | 0 | - | 4.42 | 55,611 |
| Geography by Picture - H | 0 | - | 4.50 | 58,229 |
| Geography by Picture - N | 0 | - | 4.45 | 42,205 |
| Geography by Picture - R | 0 | - | 4.56 | 41,028 |
| Geography by Picture - T | 0 | - | 4.54 | 57,844 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,018 |
| Car Logos Quiz #1 | 0 | - | 4.45 | 539,096 |
| Random Logos Quiz | 0 | - | 4.31 | 208,443 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 115,113 |
| Pictures by Letter - A | 0 | - | 4.17 | 33,437 |
| Pictures by Letter - J | 0 | - | 4.31 | 40,049 |
| Pictures by Letter - B | 0 | - | 4.31 | 43,989 |
| Pictures by Letter - D | 0 | - | 4.13 | 37,603 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,815 |
| Name that Bug | 0 | - | 4.12 | 45,561 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,364 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 57,955 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,692 |
| Elements by Picture | 0 | - | 4.27 | 69,954 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,324 |
| Islands by Picture | 0 | - | 4.28 | 106,963 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,267 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 103,830 |
| Famous Landmarks Out Of Focus #2 | 0 | - | 4.37 | 41,228 |
| Animals by Close-up Image | 0 | - | 4.42 | 217,867 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,646 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,229 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,826 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 48,022 |
| International Footballers by Picture | 0 | - | 4.50 | 55,631 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 284,584 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 107,682 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.51 | 50,808 |
| Geography by Picture - A | 0 | - | 4.39 | 60,260 |
| Geography by Picture - D | 0 | - | 4.15 | 45,662 |
| Geography by Picture - F | 0 | - | 4.31 | 51,007 |
| Geography by Picture - G | 0 | - | 4.38 | 47,950 |
| Geography by Picture - J | 0 | - | 4.16 | 38,467 |
| Geography by Picture - K | 0 | - | 4.29 | 33,129 |
| Geography by Picture - C | 0 | - | 4.31 | 57,077 |
| Geography by Picture - L | 0 | - | 4.37 | 58,967 |
| Geography by Picture - M | 0 | - | 4.14 | 40,464 |
| Geography by Picture - P | 0 | - | 4.24 | 42,438 |
| Geography by Picture - S | 0 | - | 4.38 | 47,043 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 280,453 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,557 |
| Flag Maths | 0 | - | 4.64 | 57,763 |
| Satellite Images #1 | 0 | - | 4.47 | 129,377 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,312 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,917 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,933 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,989 |
| Cities by Picture #1 | 0 | - | 4.73 | 86,008 |
| Soccer Team Logos | 0 | - | 4.26 | 374,565 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,422,998 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 261,974 |
| Video Game Logos Quiz | 0 | - | 4.40 | 184,016 |
| Movie Logos | 0 | - | 4.33 | 238,493 |
| Brand Logos That Start With M | 0 | - | 4.40 | 62,866 |
| Brand Logos That Start with A | 0 | - | 4.52 | 70,336 |
| History by Picture - A | 0 | - | 4.26 | 45,823 |
| History by Picture - B | 0 | - | 4.40 | 49,005 |
| History by Picture - C | 0 | - | 4.36 | 54,513 |
| History by Picture - F | 0 | - | 4.35 | 37,910 |
| History by Picture - G | 0 | - | 4.40 | 42,169 |
| History by Picture - D | 0 | - | 4.29 | 44,336 |
| History by Picture - E | 0 | - | 4.25 | 43,956 |
| History by Picture - H | 0 | - | 4.37 | 36,817 |
| History by Picture - K | 0 | - | 4.35 | 33,381 |
| History by Picture - M | 0 | - | 4.17 | 36,170 |
| History by Picture - N | 0 | - | 4.40 | 41,288 |
| History by Picture - O | 0 | - | 4.39 | 36,338 |
| History by Picture - T | 0 | - | 4.20 | 33,332 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 57,297 |
| Musicians Who Died Young | 0 | - | 4.39 | 108,313 |
| 2000s Music Trivia #1 | 0 | - | 4.04 | 67,060 |
| 2000s Music Trivia #2 | 0 | - | 4.19 | 52,896 |
| 1990s Music Trivia #1 | 0 | - | 4.28 | 50,808 |
| 1990s Music Trivia #2 | 0 | - | 4.06 | 35,686 |
| 1970s Music Trivia | 0 | - | 4.29 | 31,626 |
| Twelve Days of Christmas | 0 | - | 4.45 | 146,001 |
| Piano Man Lyrics Quiz | 0 | - | 4.91 | 82,806 |
| Rudolph the Red-Nosed Reindeer | 0 | - | 4.53 | 76,255 |
| We Didn't Start the Fire Lyrics | 0 | - | 4.92 | 48,890 |
| Songs From Movies | 0 | - | 4.36 | 65,993 |
| Movies by Soundtrack | 0 | - | 4.40 | 31,658 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 119,123 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,327 |
| Flowers by Picture | 0 | - | 4.46 | 105,651 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,744 |
| Name that Object #2 | 0 | - | 3.64 | 15,448 |
| Authors by Picture | 0 | - | 4.48 | 25,536 |
| Name that Object #3 | 0 | - | 3.93 | 14,404 |
| Fruit and Vegetable Emojis | 0 | - | 4.44 | 89,597 |
| WWII Figures by Picture | 0 | - | 4.89 | 65,497 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 55,789 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,840 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,547 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,461 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,128 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,132 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,644 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,246 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 165,189 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,426 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,429 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 51,195 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 71,733 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.13 | 79,444 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 72,444 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 95,586 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 46,168 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 239,378 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 159,145 |
| Name that Historical Figure #6 | 0 | - | 4.26 | 93,314 |
| Emoji Flags | 0 | - | 4.35 | 44,093 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 171,436 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.67 | 37,867 |
| Languages by Combined Flags | 0 | - | 4.53 | 100,007 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,398 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 66,425 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,744 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,811 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 394,526 |
| Airline Logos | 0 | - | 4.45 | 140,732 |
| Fast Food Logos Quiz | 0 | - | 4.45 | 248,404 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 159,067 |
| Brand Logos That Start With S | 0 | - | 4.37 | 57,641 |
| Brand Logos That Start With B | 0 | - | 4.38 | 60,017 |
| Brand Logos That Start With D | 0 | - | 4.37 | 61,575 |
| Brand Logos That Start With L | 0 | - | 4.39 | 61,182 |
| Brand Logos That Start With C | 0 | - | 4.17 | 49,679 |
| Pictures by Letter - E | 0 | - | 3.49 | 34,505 |
| Pictures by Letter - G | 0 | - | 4.14 | 28,181 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,578 |
| Pictures by Letter - F | 0 | - | 4.17 | 29,063 |
| Pictures by Letter - Z | 0 | - | 4.05 | 23,469 |
| Pictures by Letter - Y | 0 | - | 4.21 | 26,317 |
| Pictures by Letter - R | 0 | - | 4.05 | 24,780 |
| Pictures by Letter - K | 0 | - | 4.18 | 25,141 |
| Pictures by Letter - I | 0 | - | 4.16 | 30,401 |
| Pictures by Letter - N | 0 | - | 4.11 | 24,510 |
| Pictures by Letter - P | 0 | - | 4.05 | 26,071 |
| Pictures by Letter - U | 0 | - | 4.10 | 20,797 |
| Pictures by Letter - T | 0 | - | 4.34 | 27,706 |
| Vegetables by Picture | 0 | - | 4.36 | 63,388 |
