| Musical Instruments by Picture #2 | 0 | - | 4.24 | 47,356 |
| Former Countries by Territory Map | 0 | - | 4.96 | 104,274 |
| Empires by Maps | 0 | - | 4.98 | 122,664 |
| Merged Company Logos #1 | 0 | - | 4.90 | 107,711 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 269,968 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 66,614 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 59,406 |
| Pick a Picture - Musical Instruments | 0 | - | 4.53 | 52,819 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,613 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 105,739 |
| Play-Doh People from History | 0 | - | 4.99 | 95,822 |
| Famous Landmarks Out Of Focus #1 | 0 | - | 4.89 | 61,780 |
| Jeppy in Disguise #1 | 0 | - | 4.92 | 50,175 |
| Jeppy in Disguise #2 | 0 | - | 4.96 | 50,230 |
| Musicians by Picture #1 | 0 | - | 4.38 | 110,353 |
| Musicians by Picture #2 | 0 | - | 4.29 | 77,623 |
| Musicians by Picture #4 | 0 | - | 4.07 | 65,800 |
| Musicians by Picture #3 | 0 | - | 4.10 | 59,699 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 62,318 |
| All Country Flags of the World | 0 | - | 5.00 | 3,727,806 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,548,290 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,098,527 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 737,305 |
| Where Are These Doors? | 0 | - | 4.45 | 30,280 |
| Years in History by Picture | 0 | - | 4.45 | 35,957 |
| Animals by Skeleton Image | 0 | - | 4.81 | 47,078 |
| Make a Stained Glass Window | 0 | - | 5.00 | 69,234 |
| Famous Foreheads #1 | 0 | - | 4.47 | 75,577 |
| Musicians by Picture #5 | 0 | - | 3.93 | 54,833 |
| Flags with Crescents | 0 | - | 4.98 | 171,843 |
| Country Flag Trivia | 0 | - | 4.82 | 58,364 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 105,235 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,684 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,972 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 68,162 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 86,216 |
| Badly Drawn Flags #1 | 0 | - | 4.99 | 61,231 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.81 | 53,675 |
| Real vs. Fake Flags | 0 | - | 4.98 | 126,167 |
| Ultimate Car Logos Quiz | 0 | - | 4.81 | 185,140 |
| National Football Team Logos | 0 | - | 4.85 | 191,149 |
| Merged Company Logos #2 | 0 | - | 4.75 | 78,501 |
| Countries by National Anthem | 0 | - | 4.92 | 71,448 |
| Name that Object #1 | 0 | - | 3.57 | 96,656 |
| Flags to Languages | 0 | - | 4.95 | 174,738 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 51,179 |
| Fruits by Picture | 0 | - | 4.19 | 809,933 |
| Old Movies by Picture | 0 | - | 4.51 | 25,298 |
| Rappers by Picture | 0 | - | 4.23 | 136,042 |
| Geography by Picture - B | 0 | - | 4.42 | 55,842 |
| Geography by Picture - H | 0 | - | 4.50 | 58,441 |
| Geography by Picture - N | 0 | - | 4.45 | 42,406 |
| Geography by Picture - R | 0 | - | 4.56 | 41,205 |
| Geography by Picture - T | 0 | - | 4.54 | 58,059 |
| Random Logos Quiz | 0 | - | 4.33 | 210,010 |
| All North American Pro Sports Logos | 0 | - | 4.72 | 116,720 |
| Pictures by Letter - A | 0 | - | 4.18 | 33,708 |
| Pictures by Letter - J | 0 | - | 4.31 | 40,338 |
| Pictures by Letter - B | 0 | - | 4.32 | 44,330 |
| Pictures by Letter - D | 0 | - | 4.14 | 37,861 |
| Pictures by Letter - M | 0 | - | 4.24 | 38,072 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 56,010 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 341,195 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,703 |
| Car Logos Quiz #1 | 0 | - | 4.52 | 545,545 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 84,917 |
| Name that Bug | 0 | - | 4.12 | 45,661 |
| Islands by Shape #1 | 0 | - | 4.33 | 84,564 |
| Elements by Picture | 0 | - | 4.27 | 70,413 |
| Name that Object #2 | 0 | - | 3.63 | 15,553 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,561 |
| Islands by Picture | 0 | - | 4.28 | 107,995 |
| Name that Object #3 | 0 | - | 3.93 | 14,484 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,494 |
| Famous Landmarks Out Of Focus #2 | 0 | - | 4.37 | 41,644 |
| Animals by Close-up Image | 0 | - | 4.42 | 219,592 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 46,079 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,565 |
| Mammals by Picture #1 | 0 | - | 4.69 | 92,605 |
| International Footballers by Picture | 0 | - | 4.51 | 56,803 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 287,547 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 109,753 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.51 | 51,810 |
| Geography by Picture - A | 0 | - | 4.39 | 60,501 |
| Geography by Picture - D | 0 | - | 4.15 | 45,833 |
| Geography by Picture - F | 0 | - | 4.31 | 51,242 |
| Geography by Picture - G | 0 | - | 4.39 | 48,134 |
| Geography by Picture - J | 0 | - | 4.16 | 38,645 |
| Geography by Picture - K | 0 | - | 4.29 | 33,302 |
| Geography by Picture - C | 0 | - | 4.31 | 57,296 |
| Geography by Picture - L | 0 | - | 4.37 | 59,193 |
| Geography by Picture - M | 0 | - | 4.14 | 40,634 |
| Geography by Picture - P | 0 | - | 4.24 | 42,616 |
| Geography by Picture - S | 0 | - | 4.38 | 47,223 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 282,491 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,757 |
| Flag Maths | 0 | - | 4.61 | 57,871 |
| Satellite Images #1 | 0 | - | 4.46 | 130,143 |
| Satellite Images Quiz #2 | 0 | - | 4.64 | 109,999 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,496 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,335 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,293 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,712 |
| Soccer Team Logos | 0 | - | 4.26 | 378,656 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,442,353 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 264,450 |
| Video Game Logos Quiz | 0 | - | 4.40 | 185,345 |
| Movie Logos | 0 | - | 4.33 | 240,919 |
| Brand Logos That Start with A | 0 | - | 4.52 | 71,396 |
| Pictures by Letter - E | 0 | - | 3.51 | 34,699 |
| Pictures by Letter - G | 0 | - | 4.14 | 28,446 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,816 |
| Pictures by Letter - F | 0 | - | 4.18 | 29,321 |
| Pictures by Letter - Z | 0 | - | 4.05 | 23,641 |
| Pictures by Letter - Y | 0 | - | 4.21 | 26,497 |
| Pictures by Letter - R | 0 | - | 4.05 | 24,973 |
| Pictures by Letter - K | 0 | - | 4.18 | 25,335 |
| Pictures by Letter - I | 0 | - | 4.16 | 30,627 |
| Pictures by Letter - N | 0 | - | 4.12 | 24,703 |
| Pictures by Letter - P | 0 | - | 4.05 | 26,250 |
| Pictures by Letter - U | 0 | - | 4.10 | 20,983 |
| Pictures by Letter - T | 0 | - | 4.34 | 27,912 |
| History by Picture - A | 0 | - | 4.26 | 46,253 |
| History by Picture - B | 0 | - | 4.40 | 49,452 |
| History by Picture - C | 0 | - | 4.33 | 54,995 |
| History by Picture - F | 0 | - | 4.35 | 38,284 |
| History by Picture - G | 0 | - | 4.40 | 42,521 |
| History by Picture - D | 0 | - | 4.29 | 44,752 |
| History by Picture - E | 0 | - | 4.25 | 44,329 |
| History by Picture - H | 0 | - | 4.37 | 37,168 |
| History by Picture - K | 0 | - | 4.35 | 33,687 |
| History by Picture - M | 0 | - | 4.17 | 36,470 |
| History by Picture - N | 0 | - | 4.40 | 41,608 |
| History by Picture - O | 0 | - | 4.39 | 36,626 |
| History by Picture - T | 0 | - | 4.20 | 33,612 |
| Name that Nut, Seed, or Bean | 0 | - | 4.57 | 57,888 |
| Musicians Who Died Young | 0 | - | 4.39 | 109,307 |
| Twelve Days of Christmas | 0 | - | 4.45 | 146,426 |
| Rudolph the Red-Nosed Reindeer | 0 | - | 4.53 | 76,501 |
| Songs From Movies | 0 | - | 4.36 | 66,421 |
| Movies by Soundtrack | 0 | - | 4.40 | 31,771 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 120,019 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 106,149 |
| Flowers by Picture | 0 | - | 4.46 | 105,900 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 49,038 |
| Authors by Picture | 0 | - | 4.48 | 25,658 |
| Fruit and Vegetable Emojis | 0 | - | 4.45 | 91,171 |
| WWII Figures by Picture | 0 | - | 4.89 | 66,529 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 56,267 |
| Planets By Picture Quiz | 0 | - | 4.49 | 57,517 |
| Fish by Picture #1 | 0 | - | 4.41 | 109,155 |
| Animals A-Z by Picture | 0 | - | 4.08 | 67,006 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,581 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,392 |
| Birds by Picture #1 | 0 | - | 4.47 | 42,160 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,648 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 165,887 |
| Name that Historical Figure #3 | 0 | - | 4.37 | 249,287 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 161,367 |
| Name that Historical Figure #6 | 0 | - | 4.26 | 95,157 |
| Emoji Flags | 0 | - | 4.35 | 44,340 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.69 | 38,314 |
| Languages by Combined Flags | 0 | - | 4.53 | 100,844 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,748 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 67,130 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 71,409 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,961 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 396,757 |
| Airline Logos | 0 | - | 4.45 | 141,625 |
| Fast Food Logos Quiz | 0 | - | 4.45 | 249,799 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 160,213 |
| Brand Logos That Start With M | 0 | - | 4.38 | 63,718 |
| Brand Logos That Start With S | 0 | - | 4.37 | 58,495 |
| Brand Logos That Start With B | 0 | - | 4.38 | 60,817 |
| Brand Logos That Start With D | 0 | - | 4.37 | 62,387 |
| Brand Logos That Start With L | 0 | - | 4.40 | 62,083 |
| Brand Logos That Start With C | 0 | - | 4.21 | 50,275 |
| Vegetables by Picture | 0 | - | 4.39 | 63,966 |
| Music by Year, 1990–2009 | 0 | - | 4.18 | 110,517 |
| Music by Year, 1970–1989 | 0 | - | 4.31 | 41,349 |
| Christmas Song Lyrics | 0 | - | 4.19 | 70,827 |
| Yakko's World Lyrics Quiz With a Map | 0 | - | 4.69 | 19,430 |
| Cities with the Most Opera Performances | 0 | - | 4.64 | 41,885 |
| American TV Theme Songs | 0 | - | 4.30 | 73,260 |
| Brand Logos A-Z | 0 | - | 4.21 | 43,979 |
| Foods by Picture | 0 | - | 3.81 | 226,778 |
| Junk Foods by Picture | 0 | - | 3.69 | 96,850 |
| Christmas by Picture | 0 | - | 4.26 | 28,243 |
| Hats by Picture | 0 | - | 4.21 | 18,029 |
| Weapons by Picture | 0 | - | 4.13 | 21,234 |
| Cars by Picture | 0 | - | 3.89 | 41,881 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,407 |
| Plants by Picture | 0 | - | 4.24 | 14,537 |
| Birds by Picture #2 | 0 | - | 4.33 | 36,810 |
| Birds by Picture #3 | 0 | - | 4.24 | 33,556 |
| Oscar Nominated Actresses by Picture #1 | 0 | - | 4.30 | 130,214 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 48,252 |
| Women in History by Picture | 0 | - | 4.25 | 26,079 |
| Oscar Nominated Actors by Picture #2 | 0 | - | 4.30 | 46,938 |
| Oscar Nominated Actresses by Picture #2 | 0 | - | 4.38 | 49,140 |
