| Musical Instruments by Picture #1 | 0 | - | 4.52 | 270,016 |
| Rappers by Picture | 0 | - | 4.23 | 136,107 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 47,373 |
| Former Countries by Territory Map | 0 | - | 4.96 | 104,330 |
| Empires by Maps | 0 | - | 4.98 | 122,749 |
| Merged Company Logos #1 | 0 | - | 4.90 | 107,758 |
| Commonly Mixed-Up Countries - Multiple Choice | 0 | - | 4.98 | 53,546 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 66,652 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 59,425 |
| Pick a Picture - Musical Instruments | 0 | - | 4.53 | 52,840 |
| Cities with the Most Opera Performances | 0 | - | 4.64 | 41,903 |
| Musicians by Picture #1 | 0 | - | 4.38 | 110,427 |
| Musicians by Picture #2 | 0 | - | 4.29 | 77,682 |
| Musicians by Picture #4 | 0 | - | 4.07 | 65,842 |
| Musicians by Picture #3 | 0 | - | 4.10 | 59,734 |
| All Country Flags of the World | 0 | - | 5.00 | 3,731,035 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,632 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 105,830 |
| Play-Doh People from History | 0 | - | 4.99 | 95,869 |
| Famous Landmarks Out Of Focus #1 | 0 | - | 4.89 | 61,805 |
| Jeppy in Disguise #1 | 0 | - | 4.92 | 50,218 |
| Jeppy in Disguise #2 | 0 | - | 4.96 | 50,261 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 62,337 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,548,815 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,098,803 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 737,498 |
| Animals by Skeleton Image | 0 | - | 4.81 | 47,096 |
| Make a Stained Glass Window | 0 | - | 5.00 | 69,271 |
| Musicians by Picture #5 | 0 | - | 3.93 | 54,859 |
| Flags with Crescents | 0 | - | 4.98 | 171,923 |
| Country Flag Trivia | 0 | - | 4.82 | 58,414 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 105,301 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,735 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 89,037 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 68,194 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 86,247 |
| Badly Drawn Flags #1 | 0 | - | 4.99 | 61,273 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.81 | 53,708 |
| Real vs. Fake Flags | 0 | - | 4.98 | 126,230 |
| Ultimate Car Logos Quiz | 0 | - | 4.81 | 185,326 |
| National Football Team Logos | 0 | - | 4.82 | 196,480 |
| Countries by National Anthem | 0 | - | 4.92 | 71,451 |
| Years in History by Picture | 0 | - | 4.45 | 35,975 |
| Where Are These Doors? | 0 | - | 4.45 | 30,290 |
| Famous Foreheads #1 | 0 | - | 4.47 | 75,607 |
| Merged Company Logos #2 | 0 | - | 4.75 | 78,534 |
| Flags to Languages | 0 | - | 4.95 | 174,929 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 51,203 |
| Fruits by Picture | 0 | - | 4.19 | 810,043 |
| Old Movies by Picture | 0 | - | 4.51 | 25,306 |
| Name that Object #1 | 0 | - | 3.57 | 96,658 |
| Star Wars Original Trilogy Characters by Picture | 0 | - | 4.92 | 50,446 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 56,033 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 341,313 |
| Geography by Picture - B | 0 | - | 4.42 | 55,850 |
| Geography by Picture - H | 0 | - | 4.50 | 58,453 |
| Geography by Picture - N | 0 | - | 4.45 | 42,416 |
| Geography by Picture - R | 0 | - | 4.56 | 41,212 |
| Geography by Picture - T | 0 | - | 4.54 | 58,071 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,737 |
| Car Logos Quiz #1 | 0 | - | 4.52 | 545,781 |
| Random Logos Quiz | 0 | - | 4.33 | 210,064 |
| All North American Pro Sports Logos | 0 | - | 4.72 | 116,795 |
| Pictures by Letter - A | 0 | - | 4.18 | 33,718 |
| Pictures by Letter - J | 0 | - | 4.31 | 40,351 |
| Pictures by Letter - B | 0 | - | 4.32 | 44,340 |
| Pictures by Letter - D | 0 | - | 4.14 | 37,875 |
| Pictures by Letter - M | 0 | - | 4.24 | 38,080 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 84,964 |
| Name that Bug | 0 | - | 4.12 | 45,667 |
| Islands by Shape #1 | 0 | - | 4.33 | 84,572 |
| Elements by Picture | 0 | - | 4.27 | 70,429 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,567 |
| Islands by Picture | 0 | - | 4.28 | 108,074 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,508 |
| Famous Landmarks Out Of Focus #2 | 0 | - | 4.37 | 41,660 |
| Animals by Close-up Image | 0 | - | 4.42 | 219,635 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 46,098 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,575 |
| Mammals by Picture #1 | 0 | - | 4.69 | 92,634 |
| International Footballers by Picture | 0 | - | 4.51 | 56,940 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 287,665 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 109,825 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.51 | 51,856 |
| Geography by Picture - A | 0 | - | 4.39 | 60,510 |
| Geography by Picture - D | 0 | - | 4.15 | 45,837 |
| Geography by Picture - F | 0 | - | 4.31 | 51,250 |
| Geography by Picture - G | 0 | - | 4.39 | 48,143 |
| 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 | 59,203 |
| Geography by Picture - M | 0 | - | 4.14 | 40,642 |
| Geography by Picture - P | 0 | - | 4.24 | 42,625 |
| Geography by Picture - S | 0 | - | 4.38 | 47,231 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 282,585 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,823 |
| Flag Maths | 0 | - | 4.61 | 57,873 |
| Satellite Images #1 | 0 | - | 4.46 | 130,161 |
| Satellite Images Quiz #2 | 0 | - | 4.64 | 110,012 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,508 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,346 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,302 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,736 |
| Soccer Team Logos | 0 | - | 4.26 | 378,953 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,443,103 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 264,540 |
| Video Game Logos Quiz | 0 | - | 4.40 | 185,400 |
| Movie Logos | 0 | - | 4.33 | 241,030 |
| Brand Logos That Start with A | 0 | - | 4.52 | 71,434 |
| History by Picture - A | 0 | - | 4.26 | 46,275 |
| History by Picture - B | 0 | - | 4.40 | 49,478 |
| History by Picture - C | 0 | - | 4.33 | 55,021 |
| History by Picture - F | 0 | - | 4.35 | 38,297 |
| History by Picture - G | 0 | - | 4.40 | 42,533 |
| History by Picture - D | 0 | - | 4.29 | 44,768 |
| History by Picture - E | 0 | - | 4.25 | 44,341 |
| History by Picture - H | 0 | - | 4.37 | 37,178 |
| History by Picture - K | 0 | - | 4.35 | 33,699 |
| History by Picture - M | 0 | - | 4.17 | 36,478 |
| History by Picture - N | 0 | - | 4.40 | 41,619 |
| History by Picture - O | 0 | - | 4.40 | 36,630 |
| History by Picture - T | 0 | - | 4.20 | 33,620 |
| Name that Nut, Seed, or Bean | 0 | - | 4.57 | 57,915 |
| Movies by Screenshot | 0 | - | 4.45 | 92,517 |
| Musicians Who Died Young | 0 | - | 4.39 | 109,359 |
| Twelve Days of Christmas | 0 | - | 4.45 | 146,435 |
| Piano Man Lyrics Quiz | 0 | - | 4.91 | 83,649 |
| Rudolph the Red-Nosed Reindeer | 0 | - | 4.53 | 76,518 |
| We Didn't Start the Fire Lyrics | 0 | - | 4.93 | 49,354 |
| Songs From Movies | 0 | - | 4.36 | 66,432 |
| Movies by Soundtrack | 0 | - | 4.40 | 31,777 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 120,053 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 106,179 |
| Flowers by Picture | 0 | - | 4.46 | 105,909 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 49,053 |
| Name that Object #2 | 0 | - | 3.63 | 15,555 |
| Authors by Picture | 0 | - | 4.48 | 25,663 |
| Name that Object #3 | 0 | - | 3.93 | 14,488 |
| Fruit and Vegetable Emojis | 0 | - | 4.45 | 91,210 |
| WWII Figures by Picture | 0 | - | 4.89 | 66,562 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 56,307 |
| Planets By Picture Quiz | 0 | - | 4.49 | 57,547 |
| Fish by Picture #1 | 0 | - | 4.41 | 109,178 |
| Animals A-Z by Picture | 0 | - | 4.08 | 67,025 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,596 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,402 |
| Birds by Picture #1 | 0 | - | 4.47 | 42,184 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,660 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 165,897 |
| Name that Historical Figure #3 | 0 | - | 4.37 | 249,598 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 161,462 |
| Name that Historical Figure #6 | 0 | - | 4.26 | 95,215 |
| Emoji Flags | 0 | - | 4.35 | 44,351 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 173,119 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.69 | 38,344 |
| Languages by Combined Flags | 0 | - | 4.53 | 100,883 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,755 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 67,166 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 71,444 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,971 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 396,834 |
| Airline Logos | 0 | - | 4.45 | 141,646 |
| Fast Food Logos Quiz | 0 | - | 4.45 | 249,849 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 160,252 |
| Brand Logos That Start With M | 0 | - | 4.38 | 63,771 |
| Brand Logos That Start With S | 0 | - | 4.37 | 58,530 |
| Brand Logos That Start With B | 0 | - | 4.38 | 60,850 |
| Brand Logos That Start With D | 0 | - | 4.37 | 62,422 |
| Brand Logos That Start With L | 0 | - | 4.40 | 62,117 |
| Brand Logos That Start With C | 0 | - | 4.22 | 50,303 |
| Pictures by Letter - E | 0 | - | 3.51 | 34,708 |
| Pictures by Letter - G | 0 | - | 4.14 | 28,455 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,827 |
| Pictures by Letter - F | 0 | - | 4.18 | 29,331 |
| Pictures by Letter - Z | 0 | - | 4.05 | 23,645 |
| Pictures by Letter - Y | 0 | - | 4.21 | 26,505 |
| Pictures by Letter - R | 0 | - | 4.05 | 24,980 |
| 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 | 24,708 |
| Pictures by Letter - P | 0 | - | 4.05 | 26,255 |
| Pictures by Letter - U | 0 | - | 4.10 | 20,991 |
| Pictures by Letter - T | 0 | - | 4.34 | 27,918 |
| Vegetables by Picture | 0 | - | 4.39 | 63,994 |
| Music by Year, 1990–2009 | 0 | - | 4.18 | 110,551 |
| Music by Year, 1970–1989 | 0 | - | 4.31 | 41,360 |
| Basic Orchestral Instruments | 0 | - | 4.27 | 167,255 |
| Christmas Song Lyrics | 0 | - | 4.19 | 70,833 |
| Yakko's World Lyrics Quiz With a Map | 0 | - | 4.69 | 19,442 |
| American TV Theme Songs | 0 | - | 4.30 | 73,266 |
| Brand Logos A-Z | 0 | - | 4.21 | 44,005 |
| Foods by Picture | 0 | - | 3.81 | 226,813 |
| Junk Foods by Picture | 0 | - | 3.69 | 96,872 |
| 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 | 41,894 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,408 |
| Plants by Picture | 0 | - | 4.24 | 14,545 |
