| Musical Instruments by Picture #2 | 0 | - | 4.24 | 47,370 |
| Former Countries by Territory Map | 0 | - | 4.96 | 104,318 |
| Empires by Maps | 0 | - | 4.98 | 122,733 |
| Merged Company Logos #1 | 0 | - | 4.90 | 107,752 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 270,013 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 66,644 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 59,423 |
| Pick a Picture - Musical Instruments | 0 | - | 4.53 | 52,839 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,627 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 105,814 |
| Play-Doh People from History | 0 | - | 4.99 | 95,864 |
| Famous Landmarks Out Of Focus #1 | 0 | - | 4.89 | 61,802 |
| Jeppy in Disguise #1 | 0 | - | 4.92 | 50,213 |
| Jeppy in Disguise #2 | 0 | - | 4.96 | 50,257 |
| Musicians by Picture #1 | 0 | - | 4.38 | 110,413 |
| Musicians by Picture #2 | 0 | - | 4.29 | 77,675 |
| Musicians by Picture #4 | 0 | - | 4.07 | 65,837 |
| Musicians by Picture #3 | 0 | - | 4.10 | 59,729 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 62,333 |
| All Country Flags of the World | 0 | - | 5.00 | 3,730,484 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,548,747 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,098,770 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 737,465 |
| Where Are These Doors? | 0 | - | 4.45 | 30,288 |
| Years in History by Picture | 0 | - | 4.45 | 35,971 |
| Animals by Skeleton Image | 0 | - | 4.81 | 47,094 |
| Make a Stained Glass Window | 0 | - | 5.00 | 69,263 |
| Famous Foreheads #1 | 0 | - | 4.47 | 75,605 |
| Musicians by Picture #5 | 0 | - | 3.93 | 54,855 |
| Flags with Crescents | 0 | - | 4.98 | 171,906 |
| Country Flag Trivia | 0 | - | 4.82 | 58,406 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 105,291 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,726 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 89,027 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 68,189 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 86,243 |
| Badly Drawn Flags #1 | 0 | - | 4.99 | 61,265 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.81 | 53,703 |
| Real vs. Fake Flags | 0 | - | 4.98 | 126,220 |
| Ultimate Car Logos Quiz | 0 | - | 4.81 | 185,292 |
| National Football Team Logos | 0 | - | 4.82 | 196,109 |
| Merged Company Logos #2 | 0 | - | 4.75 | 78,529 |
| Countries by National Anthem | 0 | - | 4.92 | 71,451 |
| Name that Object #1 | 0 | - | 3.57 | 96,658 |
| Flags to Languages | 0 | - | 4.95 | 174,900 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 51,196 |
| Fruits by Picture | 0 | - | 4.19 | 810,022 |
| Old Movies by Picture | 0 | - | 4.51 | 25,306 |
| Rappers by Picture | 0 | - | 4.23 | 136,099 |
| Geography by Picture - B | 0 | - | 4.42 | 55,850 |
| Geography by Picture - H | 0 | - | 4.50 | 58,451 |
| Geography by Picture - N | 0 | - | 4.45 | 42,414 |
| Geography by Picture - R | 0 | - | 4.56 | 41,211 |
| Geography by Picture - T | 0 | - | 4.54 | 58,070 |
| Random Logos Quiz | 0 | - | 4.33 | 210,053 |
| All North American Pro Sports Logos | 0 | - | 4.72 | 116,782 |
| Pictures by Letter - A | 0 | - | 4.18 | 33,717 |
| Pictures by Letter - J | 0 | - | 4.31 | 40,348 |
| Pictures by Letter - B | 0 | - | 4.32 | 44,338 |
| Pictures by Letter - D | 0 | - | 4.14 | 37,872 |
| Pictures by Letter - M | 0 | - | 4.24 | 38,079 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 56,030 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 341,297 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,735 |
| Car Logos Quiz #1 | 0 | - | 4.52 | 545,745 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 84,959 |
| Name that Bug | 0 | - | 4.12 | 45,665 |
| Islands by Shape #1 | 0 | - | 4.33 | 84,572 |
| Elements by Picture | 0 | - | 4.27 | 70,427 |
| Name that Object #2 | 0 | - | 3.63 | 15,555 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,564 |
| Islands by Picture | 0 | - | 4.28 | 108,065 |
| Name that Object #3 | 0 | - | 3.93 | 14,488 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,507 |
| Famous Landmarks Out Of Focus #2 | 0 | - | 4.37 | 41,659 |
| Animals by Close-up Image | 0 | - | 4.42 | 219,629 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 46,094 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,573 |
| Mammals by Picture #1 | 0 | - | 4.69 | 92,633 |
| International Footballers by Picture | 0 | - | 4.51 | 56,925 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 287,651 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 109,814 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.51 | 51,850 |
| Geography by Picture - A | 0 | - | 4.39 | 60,507 |
| Geography by Picture - D | 0 | - | 4.15 | 45,837 |
| Geography by Picture - F | 0 | - | 4.31 | 51,249 |
| Geography by Picture - G | 0 | - | 4.39 | 48,141 |
| Geography by Picture - J | 0 | - | 4.16 | 38,650 |
| Geography by Picture - K | 0 | - | 4.29 | 33,308 |
| Geography by Picture - C | 0 | - | 4.31 | 57,304 |
| Geography by Picture - L | 0 | - | 4.37 | 59,202 |
| Geography by Picture - M | 0 | - | 4.14 | 40,641 |
| Geography by Picture - P | 0 | - | 4.24 | 42,623 |
| Geography by Picture - S | 0 | - | 4.38 | 47,231 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 282,570 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,810 |
| Flag Maths | 0 | - | 4.61 | 57,873 |
| Satellite Images #1 | 0 | - | 4.46 | 130,158 |
| Satellite Images Quiz #2 | 0 | - | 4.64 | 110,009 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,505 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,343 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,301 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,730 |
| Soccer Team Logos | 0 | - | 4.26 | 378,915 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,442,984 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 264,523 |
| Video Game Logos Quiz | 0 | - | 4.40 | 185,388 |
| Movie Logos | 0 | - | 4.33 | 241,005 |
| Brand Logos That Start with A | 0 | - | 4.52 | 71,427 |
| Pictures by Letter - E | 0 | - | 3.51 | 34,708 |
| Pictures by Letter - G | 0 | - | 4.14 | 28,454 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,827 |
| Pictures by Letter - F | 0 | - | 4.18 | 29,330 |
| Pictures by Letter - Z | 0 | - | 4.05 | 23,644 |
| Pictures by Letter - Y | 0 | - | 4.21 | 26,505 |
| Pictures by Letter - R | 0 | - | 4.05 | 24,979 |
| Pictures by Letter - K | 0 | - | 4.18 | 25,342 |
| Pictures by Letter - I | 0 | - | 4.16 | 30,634 |
| Pictures by Letter - N | 0 | - | 4.12 | 24,707 |
| Pictures by Letter - P | 0 | - | 4.05 | 26,255 |
| Pictures by Letter - U | 0 | - | 4.10 | 20,990 |
| Pictures by Letter - T | 0 | - | 4.34 | 27,917 |
| History by Picture - A | 0 | - | 4.26 | 46,272 |
| History by Picture - B | 0 | - | 4.40 | 49,476 |
| History by Picture - C | 0 | - | 4.33 | 55,020 |
| History by Picture - F | 0 | - | 4.35 | 38,296 |
| History by Picture - G | 0 | - | 4.40 | 42,531 |
| History by Picture - D | 0 | - | 4.29 | 44,768 |
| History by Picture - E | 0 | - | 4.25 | 44,340 |
| History by Picture - H | 0 | - | 4.37 | 37,178 |
| History by Picture - K | 0 | - | 4.35 | 33,698 |
| History by Picture - M | 0 | - | 4.17 | 36,477 |
| History by Picture - N | 0 | - | 4.40 | 41,618 |
| History by Picture - O | 0 | - | 4.40 | 36,630 |
| History by Picture - T | 0 | - | 4.20 | 33,619 |
| Name that Nut, Seed, or Bean | 0 | - | 4.57 | 57,911 |
| Musicians Who Died Young | 0 | - | 4.39 | 109,348 |
| Twelve Days of Christmas | 0 | - | 4.45 | 146,434 |
| Rudolph the Red-Nosed Reindeer | 0 | - | 4.53 | 76,515 |
| Songs From Movies | 0 | - | 4.36 | 66,430 |
| Movies by Soundtrack | 0 | - | 4.40 | 31,775 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 120,050 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 106,176 |
| Flowers by Picture | 0 | - | 4.46 | 105,908 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 49,053 |
| Authors by Picture | 0 | - | 4.48 | 25,662 |
| Fruit and Vegetable Emojis | 0 | - | 4.45 | 91,204 |
| WWII Figures by Picture | 0 | - | 4.89 | 66,559 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 56,300 |
| Planets By Picture Quiz | 0 | - | 4.49 | 57,541 |
| Fish by Picture #1 | 0 | - | 4.41 | 109,174 |
| Animals A-Z by Picture | 0 | - | 4.08 | 67,021 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,595 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,399 |
| Birds by Picture #1 | 0 | - | 4.47 | 42,182 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,658 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 165,896 |
| Name that Historical Figure #3 | 0 | - | 4.37 | 249,550 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 161,442 |
| Name that Historical Figure #6 | 0 | - | 4.26 | 95,205 |
| Emoji Flags | 0 | - | 4.35 | 44,351 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.69 | 38,337 |
| Languages by Combined Flags | 0 | - | 4.53 | 100,878 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,754 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 67,160 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 71,439 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,971 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 396,823 |
| Airline Logos | 0 | - | 4.45 | 141,645 |
| Fast Food Logos Quiz | 0 | - | 4.45 | 249,840 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 160,243 |
| Brand Logos That Start With M | 0 | - | 4.38 | 63,761 |
| Brand Logos That Start With S | 0 | - | 4.37 | 58,522 |
| Brand Logos That Start With B | 0 | - | 4.38 | 60,847 |
| Brand Logos That Start With D | 0 | - | 4.37 | 62,418 |
| Brand Logos That Start With L | 0 | - | 4.40 | 62,112 |
| Brand Logos That Start With C | 0 | - | 4.22 | 50,301 |
| Vegetables by Picture | 0 | - | 4.39 | 63,989 |
| Music by Year, 1990–2009 | 0 | - | 4.18 | 110,547 |
| Music by Year, 1970–1989 | 0 | - | 4.31 | 41,356 |
| Christmas Song Lyrics | 0 | - | 4.19 | 70,832 |
| Yakko's World Lyrics Quiz With a Map | 0 | - | 4.69 | 19,441 |
| Cities with the Most Opera Performances | 0 | - | 4.64 | 41,901 |
| American TV Theme Songs | 0 | - | 4.30 | 73,263 |
| Brand Logos A-Z | 0 | - | 4.21 | 44,003 |
| Foods by Picture | 0 | - | 3.81 | 226,807 |
| Junk Foods by Picture | 0 | - | 3.69 | 96,869 |
| Christmas by Picture | 0 | - | 4.26 | 28,248 |
| Hats by Picture | 0 | - | 4.21 | 18,030 |
| Weapons by Picture | 0 | - | 4.13 | 21,239 |
| Cars by Picture | 0 | - | 3.89 | 41,890 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,408 |
| Plants by Picture | 0 | - | 4.24 | 14,543 |
| Birds by Picture #2 | 0 | - | 4.33 | 36,829 |
| Birds by Picture #3 | 0 | - | 4.24 | 33,563 |
| Oscar Nominated Actresses by Picture #1 | 0 | - | 4.30 | 130,228 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 48,259 |
| Women in History by Picture | 0 | - | 4.25 | 26,084 |
| Oscar Nominated Actors by Picture #2 | 0 | - | 4.30 | 46,945 |
| Oscar Nominated Actresses by Picture #2 | 0 | - | 4.38 | 49,156 |
