| Musical Instruments by Picture #2 | 0 | - | 4.24 | 47,300 |
| Former Countries by Territory Map | 0 | - | 4.96 | 103,880 |
| Empires by Maps | 0 | - | 4.98 | 122,065 |
| Merged Company Logos #1 | 0 | - | 4.90 | 107,397 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 269,769 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 66,494 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 59,301 |
| Pick a Picture - Musical Instruments | 0 | - | 4.53 | 52,711 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,529 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 105,331 |
| Play-Doh People from History | 0 | - | 4.99 | 95,546 |
| Famous Landmarks Out Of Focus #1 | 0 | - | 4.89 | 61,606 |
| Jeppy in Disguise #1 | 0 | - | 4.92 | 50,001 |
| Jeppy in Disguise #2 | 0 | - | 4.96 | 50,067 |
| Musicians by Picture #1 | 0 | - | 4.38 | 110,019 |
| Musicians by Picture #2 | 0 | - | 4.29 | 77,382 |
| Musicians by Picture #4 | 0 | - | 4.07 | 65,589 |
| Musicians by Picture #3 | 0 | - | 4.10 | 59,537 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 62,109 |
| All Country Flags of the World | 0 | - | 5.00 | 3,713,076 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,545,902 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,097,144 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 736,411 |
| Where Are These Doors? | 0 | - | 4.45 | 30,220 |
| Years in History by Picture | 0 | - | 4.45 | 35,804 |
| Animals by Skeleton Image | 0 | - | 4.81 | 46,934 |
| Make a Stained Glass Window | 0 | - | 5.00 | 69,073 |
| Famous Foreheads #1 | 0 | - | 4.47 | 75,423 |
| Musicians by Picture #5 | 0 | - | 3.93 | 54,698 |
| Flags with Crescents | 0 | - | 4.98 | 171,330 |
| Country Flag Trivia | 0 | - | 4.81 | 58,016 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,885 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,427 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,590 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,937 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,979 |
| Badly Drawn Flags #1 | 0 | - | 4.99 | 61,015 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.81 | 53,487 |
| Real vs. Fake Flags | 0 | - | 4.98 | 125,763 |
| Ultimate Car Logos Quiz | 0 | - | 4.81 | 184,032 |
| National Football Team Logos | 0 | - | 4.85 | 181,863 |
| Merged Company Logos #2 | 0 | - | 4.75 | 78,280 |
| Countries by National Anthem | 0 | - | 4.92 | 71,406 |
| Name that Object #1 | 0 | - | 3.57 | 96,630 |
| Flags to Languages | 0 | - | 4.95 | 174,502 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 51,021 |
| Fruits by Picture | 0 | - | 4.19 | 809,301 |
| Old Movies by Picture | 0 | - | 4.51 | 25,266 |
| Rappers by Picture | 0 | - | 4.23 | 135,720 |
| Geography by Picture - B | 0 | - | 4.42 | 55,784 |
| Geography by Picture - H | 0 | - | 4.50 | 58,378 |
| Geography by Picture - N | 0 | - | 4.45 | 42,337 |
| Geography by Picture - R | 0 | - | 4.56 | 41,144 |
| Geography by Picture - T | 0 | - | 4.54 | 57,998 |
| Random Logos Quiz | 0 | - | 4.33 | 209,636 |
| All North American Pro Sports Logos | 0 | - | 4.72 | 116,395 |
| Pictures by Letter - A | 0 | - | 4.18 | 33,644 |
| Pictures by Letter - J | 0 | - | 4.31 | 40,273 |
| Pictures by Letter - B | 0 | - | 4.32 | 44,258 |
| Pictures by Letter - D | 0 | - | 4.14 | 37,807 |
| Pictures by Letter - M | 0 | - | 4.24 | 38,009 |
| Star Wars Original Trilogy Characters by Picture | 0 | - | 4.91 | 50,228 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,868 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 339,524 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,450 |
| Car Logos Quiz #1 | 0 | - | 4.52 | 544,117 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 84,735 |
| Name that Bug | 0 | - | 4.12 | 45,635 |
| Islands by Shape #1 | 0 | - | 4.33 | 84,508 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 58,266 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,973 |
| Elements by Picture | 0 | - | 4.27 | 70,320 |
| Name that Object #2 | 0 | - | 3.63 | 15,525 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,510 |
| Islands by Picture | 0 | - | 4.28 | 107,784 |
| Name that Object #3 | 0 | - | 3.93 | 14,468 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,454 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 104,667 |
| Famous Landmarks Out Of Focus #2 | 0 | - | 4.37 | 41,544 |
| Animals by Close-up Image | 0 | - | 4.42 | 219,061 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 46,011 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,479 |
| Mammals by Picture #1 | 0 | - | 4.70 | 92,442 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 48,209 |
| International Footballers by Picture | 0 | - | 4.51 | 56,424 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 286,094 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 108,624 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.51 | 51,227 |
| Geography by Picture - A | 0 | - | 4.39 | 60,434 |
| Geography by Picture - D | 0 | - | 4.15 | 45,783 |
| Geography by Picture - F | 0 | - | 4.31 | 51,170 |
| Geography by Picture - G | 0 | - | 4.39 | 48,074 |
| Geography by Picture - J | 0 | - | 4.16 | 38,593 |
| Geography by Picture - K | 0 | - | 4.29 | 33,247 |
| Geography by Picture - C | 0 | - | 4.31 | 57,235 |
| Geography by Picture - L | 0 | - | 4.37 | 59,135 |
| Geography by Picture - M | 0 | - | 4.14 | 40,578 |
| Geography by Picture - P | 0 | - | 4.24 | 42,563 |
| Geography by Picture - S | 0 | - | 4.38 | 47,178 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 282,056 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,425 |
| Flag Maths | 0 | - | 4.61 | 57,841 |
| Satellite Images #1 | 0 | - | 4.46 | 129,973 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,670 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,276 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,217 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,196 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,576 |
| Soccer Team Logos | 0 | - | 4.26 | 377,651 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,438,413 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 263,906 |
| Video Game Logos Quiz | 0 | - | 4.40 | 185,074 |
| Movie Logos | 0 | - | 4.33 | 240,411 |
| Brand Logos That Start with A | 0 | - | 4.52 | 71,169 |
| Pictures by Letter - E | 0 | - | 3.51 | 34,657 |
| Pictures by Letter - G | 0 | - | 4.14 | 28,389 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,764 |
| Pictures by Letter - F | 0 | - | 4.18 | 29,268 |
| Pictures by Letter - Z | 0 | - | 4.05 | 23,599 |
| Pictures by Letter - Y | 0 | - | 4.21 | 26,452 |
| Pictures by Letter - R | 0 | - | 4.05 | 24,924 |
| Pictures by Letter - K | 0 | - | 4.18 | 25,296 |
| Pictures by Letter - I | 0 | - | 4.16 | 30,575 |
| Pictures by Letter - N | 0 | - | 4.11 | 24,657 |
| Pictures by Letter - P | 0 | - | 4.05 | 26,206 |
| Pictures by Letter - U | 0 | - | 4.10 | 20,933 |
| Pictures by Letter - T | 0 | - | 4.34 | 27,860 |
| History by Picture - A | 0 | - | 4.26 | 46,137 |
| History by Picture - B | 0 | - | 4.40 | 49,335 |
| History by Picture - C | 0 | - | 4.33 | 54,867 |
| History by Picture - F | 0 | - | 4.35 | 38,182 |
| History by Picture - G | 0 | - | 4.40 | 42,426 |
| History by Picture - D | 0 | - | 4.29 | 44,641 |
| History by Picture - E | 0 | - | 4.25 | 44,225 |
| History by Picture - H | 0 | - | 4.37 | 37,070 |
| History by Picture - K | 0 | - | 4.35 | 33,598 |
| History by Picture - M | 0 | - | 4.17 | 36,383 |
| History by Picture - N | 0 | - | 4.40 | 41,518 |
| History by Picture - O | 0 | - | 4.39 | 36,544 |
| History by Picture - T | 0 | - | 4.20 | 33,531 |
| Name that Nut, Seed, or Bean | 0 | - | 4.57 | 57,733 |
| Movies by Screenshot | 0 | - | 4.45 | 92,142 |
| 2000s Music Trivia #1 | 0 | - | 4.04 | 67,398 |
| 2000s Music Trivia #2 | 0 | - | 4.19 | 53,197 |
| 1990s Music Trivia #1 | 0 | - | 4.28 | 51,014 |
| 1990s Music Trivia #2 | 0 | - | 4.06 | 35,828 |
| 1970s Music Trivia | 0 | - | 4.29 | 31,770 |
| Twelve Days of Christmas | 0 | - | 4.45 | 146,234 |
| Rudolph the Red-Nosed Reindeer | 0 | - | 4.53 | 76,446 |
| Songs From Movies | 0 | - | 4.36 | 66,326 |
| Movies by Soundtrack | 0 | - | 4.40 | 31,743 |
| Musicians Who Died Young | 0 | - | 4.39 | 109,124 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 119,812 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,857 |
| Flowers by Picture | 0 | - | 4.46 | 105,864 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,950 |
| Authors by Picture | 0 | - | 4.48 | 25,633 |
| Fruit and Vegetable Emojis | 0 | - | 4.45 | 90,923 |
| WWII Figures by Picture | 0 | - | 4.89 | 66,234 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 56,175 |
| Planets By Picture Quiz | 0 | - | 4.49 | 57,372 |
| Fish by Picture #1 | 0 | - | 4.41 | 109,057 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,858 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,502 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,343 |
| Birds by Picture #1 | 0 | - | 4.47 | 42,044 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,572 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 165,789 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,752 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,664 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 51,368 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 72,114 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.14 | 79,758 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 72,820 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 96,085 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 46,345 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 240,751 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 160,136 |
| Name that Historical Figure #6 | 0 | - | 4.26 | 94,100 |
| Emoji Flags | 0 | - | 4.35 | 44,287 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.69 | 38,227 |
| Languages by Combined Flags | 0 | - | 4.53 | 100,647 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,636 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 66,965 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 71,271 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,929 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 395,669 |
| Airline Logos | 0 | - | 4.45 | 141,429 |
| Fast Food Logos Quiz | 0 | - | 4.45 | 249,508 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 159,947 |
| Brand Logos That Start With M | 0 | - | 4.38 | 63,533 |
| Brand Logos That Start With S | 0 | - | 4.37 | 58,297 |
| Brand Logos That Start With B | 0 | - | 4.38 | 60,656 |
| Brand Logos That Start With D | 0 | - | 4.36 | 62,195 |
| Brand Logos That Start With L | 0 | - | 4.39 | 61,907 |
| Brand Logos That Start With C | 0 | - | 4.20 | 50,127 |
| Vegetables by Picture | 0 | - | 4.36 | 63,812 |
| Music by Year, 1990–2009 | 0 | - | 4.18 | 110,402 |
| Music by Year, 1970–1989 | 0 | - | 4.31 | 41,303 |
| #1 Hits of the 1980s | 0 | - | 4.87 | 149,380 |
