| Musical Instruments by Picture #1 | 0 | - | 4.52 | 267,938 |
| Rappers by Picture | 0 | - | 4.22 | 132,818 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 46,688 |
| Former Countries by Territory Map | 0 | - | 4.96 | 101,586 |
| Empires by Maps | 0 | - | 4.98 | 118,555 |
| Merged Company Logos #1 | 0 | - | 4.91 | 105,461 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 65,383 |
| Songs by Picture Quiz #2 | 0 | - | 4.41 | 58,426 |
| Pick a Picture - Musical Instruments | 0 | - | 4.53 | 51,858 |
| Cities with the Most Opera Performances | 0 | - | 4.63 | 39,349 |
| Musicians by Picture #1 | 0 | - | 4.39 | 107,168 |
| Musicians by Picture #2 | 0 | - | 4.29 | 75,323 |
| Musicians by Picture #4 | 0 | - | 4.07 | 64,067 |
| Musicians by Picture #3 | 0 | - | 4.10 | 58,342 |
| All Country Flags of the World | 0 | - | 5.00 | 3,603,351 |
| Islands by Shape #2 | 0 | - | 4.88 | 58,997 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 102,798 |
| Play-Doh People from History | 0 | - | 4.99 | 93,871 |
| Famous Landmarks Out Of Focus #1 | 0 | - | 4.89 | 60,322 |
| Jeppy in Disguise #1 | 0 | - | 4.92 | 48,752 |
| Jeppy in Disguise #2 | 0 | - | 4.96 | 48,900 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,043 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,526,558 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,087,506 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 729,751 |
| Make a Stained Glass Window | 0 | - | 5.00 | 67,825 |
| Musicians by Picture #5 | 0 | - | 3.93 | 53,714 |
| Flags with Crescents | 0 | - | 4.98 | 167,594 |
| Country Flag Trivia | 0 | - | 4.81 | 55,950 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,446 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,475 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 85,936 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 66,480 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 84,394 |
| Badly Drawn Flags #1 | 0 | - | 4.99 | 59,923 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,055 |
| Real vs. Fake Flags | 0 | - | 4.98 | 122,596 |
| National Football Team Logos | 0 | - | 4.84 | 178,712 |
| Countries by National Anthem | 0 | - | 4.93 | 71,034 |
| Years in History by Picture | 0 | - | 4.44 | 35,120 |
| Where Are These Doors? | 0 | - | 4.45 | 29,598 |
| Famous Foreheads #1 | 0 | - | 4.47 | 74,246 |
| Merged Company Logos #2 | 0 | - | 4.75 | 76,770 |
| Flags to Languages | 0 | - | 4.95 | 172,512 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,155 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 83,291 |
| Fruits by Picture | 0 | - | 4.20 | 804,701 |
| Old Movies by Picture | 0 | - | 4.51 | 24,812 |
| Name that Object #1 | 0 | - | 3.56 | 96,307 |
| Star Wars Original Trilogy Characters by Picture | 0 | - | 4.91 | 47,736 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 54,851 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 335,550 |
| Geography by Picture - B | 0 | - | 4.42 | 55,420 |
| Geography by Picture - H | 0 | - | 4.49 | 58,053 |
| Geography by Picture - N | 0 | - | 4.45 | 42,051 |
| Geography by Picture - R | 0 | - | 4.55 | 40,881 |
| Geography by Picture - T | 0 | - | 4.54 | 57,681 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,464 |
| Car Logos Quiz #1 | 0 | - | 4.44 | 532,228 |
| Random Logos Quiz | 0 | - | 4.32 | 207,050 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 113,303 |
| Pictures by Letter - A | 0 | - | 4.17 | 33,130 |
| Pictures by Letter - J | 0 | - | 4.31 | 39,728 |
| Pictures by Letter - B | 0 | - | 4.31 | 43,621 |
| Pictures by Letter - D | 0 | - | 4.16 | 37,310 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,527 |
| Name that Bug | 0 | - | 4.12 | 45,451 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,190 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 57,632 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,416 |
| Elements by Picture | 0 | - | 4.28 | 69,557 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,163 |
| Islands by Picture | 0 | - | 4.29 | 105,912 |
| Classic Movies by Movie Posters | 0 | - | 4.44 | 24,051 |
| Animals by Skeleton Image | 0 | - | 4.80 | 45,995 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 102,688 |
| Famous Landmarks Out Of Focus #2 | 0 | - | 4.37 | 40,851 |
| Animals by Close-up Image | 0 | - | 4.42 | 216,692 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,246 |
| Extinct Animals by Picture | 0 | - | 4.49 | 34,925 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,117 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 47,777 |
| International Footballers by Picture | 0 | - | 4.50 | 54,768 |
| Name that Historical Figure #2 | 0 | - | 4.43 | 282,676 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 106,654 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.50 | 50,302 |
| Geography by Picture - A | 0 | - | 4.39 | 60,056 |
| Geography by Picture - D | 0 | - | 4.15 | 45,497 |
| Geography by Picture - F | 0 | - | 4.31 | 50,831 |
| Geography by Picture - G | 0 | - | 4.38 | 47,793 |
| Geography by Picture - J | 0 | - | 4.16 | 38,337 |
| Geography by Picture - K | 0 | - | 4.28 | 33,017 |
| Geography by Picture - C | 0 | - | 4.31 | 56,912 |
| Geography by Picture - L | 0 | - | 4.37 | 58,765 |
| Geography by Picture - M | 0 | - | 4.14 | 40,348 |
| Geography by Picture - P | 0 | - | 4.24 | 42,302 |
| Geography by Picture - S | 0 | - | 4.38 | 46,913 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 278,406 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,489 |
| Flag Maths | 0 | - | 4.78 | 57,676 |
| Satellite Images #1 | 0 | - | 4.46 | 129,019 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 108,991 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,656 |
| Satellite Images Quiz #5 | 0 | - | 4.48 | 49,654 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,812 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,375 |
| Soccer Team Logos | 0 | - | 4.26 | 370,900 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,402,613 |
| Ultimate Car Logos Quiz | 0 | - | 4.79 | 176,329 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 259,310 |
| Video Game Logos Quiz | 0 | - | 4.40 | 182,693 |
| Movie Logos | 0 | - | 4.33 | 235,959 |
| Brand Logos That Start With M | 0 | - | 4.45 | 61,786 |
| Brand Logos That Start With B | 0 | - | 4.41 | 59,207 |
| Brand Logos That Start with A | 0 | - | 4.51 | 69,285 |
| History by Picture - A | 0 | - | 4.25 | 45,466 |
| History by Picture - B | 0 | - | 4.40 | 48,594 |
| History by Picture - C | 0 | - | 4.36 | 54,090 |
| History by Picture - F | 0 | - | 4.35 | 37,589 |
| History by Picture - G | 0 | - | 4.40 | 41,856 |
| History by Picture - D | 0 | - | 4.29 | 44,014 |
| History by Picture - E | 0 | - | 4.27 | 43,634 |
| History by Picture - H | 0 | - | 4.37 | 36,548 |
| History by Picture - K | 0 | - | 4.35 | 33,111 |
| History by Picture - M | 0 | - | 4.17 | 35,916 |
| History by Picture - N | 0 | - | 4.40 | 41,004 |
| History by Picture - O | 0 | - | 4.39 | 36,045 |
| History by Picture - T | 0 | - | 4.20 | 33,101 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 56,853 |
| Musicians Who Died Young | 0 | - | 4.39 | 107,478 |
| 2000s Music Trivia #1 | 0 | - | 4.04 | 66,710 |
| 2000s Music Trivia #2 | 0 | - | 4.19 | 52,573 |
| 1990s Music Trivia #1 | 0 | - | 4.28 | 50,582 |
| 1990s Music Trivia #2 | 0 | - | 4.06 | 35,548 |
| Twelve Days of Christmas | 0 | - | 4.45 | 145,592 |
| Piano Man Lyrics Quiz | 0 | - | 4.92 | 82,072 |
| Rudolph the Red-Nosed Reindeer | 0 | - | 4.53 | 76,009 |
| We Didn't Start the Fire Lyrics | 0 | - | 4.93 | 48,451 |
| Songs From Movies | 0 | - | 4.35 | 65,534 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,480 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 104,672 |
| Flowers by Picture | 0 | - | 4.46 | 105,017 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,536 |
| Name that Object #2 | 0 | - | 3.64 | 15,327 |
| Authors by Picture | 0 | - | 4.48 | 25,395 |
| Name that Object #3 | 0 | - | 3.93 | 14,306 |
| Fruit and Vegetable Emojis | 0 | - | 4.42 | 79,483 |
| WWII Figures by Picture | 0 | - | 4.85 | 50,553 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 55,136 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,205 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,094 |
| Animals A-Z by Picture | 0 | - | 4.08 | 65,915 |
| Mammals by Picture #3 | 0 | - | 4.39 | 61,774 |
| Mammals by Picture #4 | 0 | - | 4.03 | 33,904 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,123 |
| Mammals by Picture #2 | 0 | - | 4.28 | 57,875 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 164,460 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,027 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,135 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 50,930 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 71,262 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.13 | 79,003 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 71,949 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 94,607 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 45,931 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 237,684 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 158,059 |
| Name that Historical Figure #6 | 0 | - | 4.27 | 92,444 |
| Emoji Flags | 0 | - | 4.35 | 43,819 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 169,943 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.64 | 37,477 |
| Languages by Combined Flags | 0 | - | 4.53 | 99,159 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,246 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 65,756 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,112 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,675 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 393,036 |
| Airline Logos | 0 | - | 4.45 | 139,974 |
| Fast Food Logos Quiz | 0 | - | 4.43 | 246,966 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 157,838 |
| Brand Logos That Start With S | 0 | - | 4.37 | 56,731 |
| Brand Logos That Start With D | 0 | - | 4.37 | 60,680 |
| Brand Logos That Start With L | 0 | - | 4.39 | 60,203 |
| Brand Logos That Start With C | 0 | - | 4.17 | 49,025 |
| Pictures by Letter - E | 0 | - | 3.49 | 34,283 |
| Pictures by Letter - G | 0 | - | 4.14 | 27,923 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,337 |
| Pictures by Letter - F | 0 | - | 4.17 | 28,813 |
| Pictures by Letter - Z | 0 | - | 4.05 | 23,299 |
| Pictures by Letter - Y | 0 | - | 4.22 | 26,112 |
| Pictures by Letter - R | 0 | - | 4.09 | 24,587 |
| Pictures by Letter - K | 0 | - | 4.18 | 24,927 |
| Pictures by Letter - I | 0 | - | 4.16 | 30,185 |
| Pictures by Letter - N | 0 | - | 4.11 | 24,325 |
| Pictures by Letter - P | 0 | - | 4.05 | 25,871 |
| Pictures by Letter - U | 0 | - | 4.10 | 20,617 |
| Pictures by Letter - T | 0 | - | 4.34 | 27,480 |
| Vegetables by Picture | 0 | - | 4.39 | 62,864 |
| Music by Year, 1990–2009 | 0 | - | 4.20 | 109,401 |
| Music by Year, 1970–1989 | 0 | - | 4.31 | 40,959 |
