| Musicians by Picture #1 | 0 | - | 4.38 | 109,878 |
| Musicians by Picture #2 | 0 | - | 4.29 | 77,277 |
| Musicians by Picture #4 | 0 | - | 4.07 | 65,515 |
| Play-Doh People from History | 0 | - | 4.99 | 95,444 |
| Famous Foreheads #1 | 0 | - | 4.47 | 75,352 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 339,156 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 48,185 |
| International Footballers by Picture | 0 | - | 4.51 | 56,319 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 285,871 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 108,475 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.51 | 51,152 |
| Former Countries by Territory Map | 0 | - | 4.96 | 103,667 |
| Empires by Maps | 0 | - | 4.98 | 121,749 |
| Merged Company Logos #1 | 0 | - | 4.90 | 107,180 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 165,739 |
| Rappers by Picture | 0 | - | 4.23 | 135,595 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,720 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,640 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 51,349 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 72,077 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.14 | 79,731 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 72,785 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 96,032 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 46,336 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 240,538 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 159,972 |
| Name that Historical Figure #6 | 0 | - | 4.26 | 93,970 |
| All Country Flags of the World | 0 | - | 5.00 | 3,707,334 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,480 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 105,216 |
| Famous Landmarks Out Of Focus #1 | 0 | - | 4.89 | 61,516 |
| Women in History by Picture | 0 | - | 4.25 | 26,018 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 62,023 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,544,721 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,096,621 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 736,061 |
| Animals by Skeleton Image | 0 | - | 4.81 | 46,886 |
| Make a Stained Glass Window | 0 | - | 5.00 | 68,977 |
| Oscar Nominated Actresses by Picture #1 | 0 | - | 4.30 | 130,052 |
| 1980s Celebrities by Picture #1 | 0 | - | 3.97 | 61,771 |
| 2000s Celebrities by Picture #1 | 0 | - | 3.93 | 102,643 |
| Oscar Nominated Actors by Picture #2 | 0 | - | 4.30 | 46,848 |
| Oscar Nominated Actresses by Picture #2 | 0 | - | 4.38 | 49,010 |
| Famous Foreheads #2 | 0 | - | 3.17 | 15,844 |
| Flags with Crescents | 0 | - | 4.98 | 171,160 |
| Country Flag Trivia | 0 | - | 4.81 | 57,888 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,766 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,316 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,433 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,852 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,892 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.81 | 53,414 |
| Real vs. Fake Flags | 0 | - | 4.98 | 125,582 |
| Ultimate Car Logos Quiz | 0 | - | 4.81 | 183,624 |
| National Football Team Logos | 0 | - | 4.85 | 181,645 |
| 1930s Celebrities by Picture | 0 | - | 4.33 | 12,708 |
| Countries by National Anthem | 0 | - | 4.92 | 71,394 |
| Years in History by Picture | 0 | - | 4.44 | 35,741 |
| Celebrity Mugshots Quiz #1 | 0 | - | 4.07 | 259,680 |
| Celebrity Mugshots Quiz #3 | 0 | - | 4.05 | 145,210 |
| Merged Company Logos #2 | 0 | - | 4.75 | 78,089 |
| 2010s Celebrities by Picture #1 | 0 | - | 4.32 | 173,813 |
| 2010s Celebrities by Picture #2 | 0 | - | 4.15 | 149,754 |
| People by Country - Tile Select | 0 | - | 3.77 | 14,236 |
| Flags to Languages | 0 | - | 4.95 | 174,407 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,972 |
| Fruits by Picture | 0 | - | 4.19 | 808,976 |
| Old Movies by Picture | 0 | - | 4.51 | 25,240 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 47,279 |
| Name that Object #1 | 0 | - | 3.57 | 96,597 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,815 |
| Famous Canadians by Picture | 0 | - | 4.39 | 49,494 |
| Celebrity Mugshots Quiz #2 | 0 | - | 3.89 | 114,295 |
| Geography by Picture - B | 0 | - | 4.42 | 55,759 |
| Geography by Picture - H | 0 | - | 4.50 | 58,357 |
| Geography by Picture - N | 0 | - | 4.45 | 42,327 |
| Geography by Picture - R | 0 | - | 4.56 | 41,130 |
| Geography by Picture - T | 0 | - | 4.54 | 57,981 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,388 |
| Car Logos Quiz #1 | 0 | - | 4.52 | 543,522 |
| Random Logos Quiz | 0 | - | 4.33 | 209,329 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 116,188 |
| Pictures by Letter - A | 0 | - | 4.18 | 33,625 |
| Pictures by Letter - J | 0 | - | 4.31 | 40,255 |
| Pictures by Letter - B | 0 | - | 4.32 | 44,234 |
| Pictures by Letter - D | 0 | - | 4.14 | 37,788 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,988 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 84,673 |
| Name that Bug | 0 | - | 4.12 | 45,625 |
| Islands by Shape #1 | 0 | - | 4.33 | 84,490 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 58,241 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,953 |
| Elements by Picture | 0 | - | 4.27 | 70,279 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,501 |
| Islands by Picture | 0 | - | 4.28 | 107,684 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,433 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 104,582 |
| Famous Landmarks Out Of Focus #2 | 0 | - | 4.37 | 41,504 |
| Animals by Close-up Image | 0 | - | 4.42 | 218,982 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,979 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,457 |
| Mammals by Picture #1 | 0 | - | 4.70 | 92,382 |
| Famous Australians by Picture | 0 | - | 4.25 | 28,929 |
| Geography by Picture - A | 0 | - | 4.39 | 60,409 |
| Geography by Picture - D | 0 | - | 4.15 | 45,768 |
| Geography by Picture - F | 0 | - | 4.31 | 51,151 |
| Geography by Picture - G | 0 | - | 4.39 | 48,061 |
| Geography by Picture - J | 0 | - | 4.16 | 38,575 |
| Geography by Picture - K | 0 | - | 4.29 | 33,231 |
| Geography by Picture - C | 0 | - | 4.31 | 57,213 |
| Geography by Picture - L | 0 | - | 4.37 | 59,114 |
| Geography by Picture - M | 0 | - | 4.14 | 40,562 |
| Geography by Picture - P | 0 | - | 4.24 | 42,547 |
| Geography by Picture - S | 0 | - | 4.38 | 47,166 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 281,903 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,328 |
| Flag Maths | 0 | - | 4.61 | 57,825 |
| Satellite Images #1 | 0 | - | 4.47 | 129,929 |
| Satellite Images Quiz #2 | 0 | - | 4.64 | 109,619 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,177 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,189 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,175 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,502 |
| Soccer Team Logos | 0 | - | 4.26 | 377,246 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,436,436 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 263,648 |
| Video Game Logos Quiz | 0 | - | 4.40 | 184,882 |
| Movie Logos | 0 | - | 4.33 | 240,146 |
| Brand Logos That Start with A | 0 | - | 4.52 | 71,066 |
| History by Picture - A | 0 | - | 4.26 | 46,106 |
| History by Picture - B | 0 | - | 4.40 | 49,299 |
| History by Picture - C | 0 | - | 4.33 | 54,830 |
| History by Picture - F | 0 | - | 4.35 | 38,154 |
| History by Picture - G | 0 | - | 4.40 | 42,391 |
| History by Picture - D | 0 | - | 4.29 | 44,616 |
| History by Picture - E | 0 | - | 4.25 | 44,194 |
| History by Picture - H | 0 | - | 4.37 | 37,042 |
| History by Picture - K | 0 | - | 4.35 | 33,576 |
| History by Picture - M | 0 | - | 4.17 | 36,362 |
| History by Picture - N | 0 | - | 4.40 | 41,497 |
| History by Picture - O | 0 | - | 4.39 | 36,525 |
| History by Picture - T | 0 | - | 4.20 | 33,514 |
| Name that Nut, Seed, or Bean | 0 | - | 4.57 | 57,607 |
| 1990s Music Trivia #1 | 0 | - | 4.28 | 50,995 |
| 1990s Music Trivia #2 | 0 | - | 4.06 | 35,815 |
| 1970s Music Trivia | 0 | - | 4.29 | 31,757 |
| Twelve Days of Christmas | 0 | - | 4.45 | 146,210 |
| Rudolph the Red-Nosed Reindeer | 0 | - | 4.53 | 76,427 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 119,761 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,813 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 269,689 |
| Flowers by Picture | 0 | - | 4.46 | 105,835 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,937 |
| Name that Object #2 | 0 | - | 3.63 | 15,512 |
| Authors by Picture | 0 | - | 4.48 | 25,621 |
| Name that Object #3 | 0 | - | 3.93 | 14,452 |
| Fruit and Vegetable Emojis | 0 | - | 4.45 | 90,809 |
| WWII Figures by Picture | 0 | - | 4.89 | 66,168 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 56,123 |
| Planets By Picture Quiz | 0 | - | 4.49 | 57,308 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 66,447 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 59,264 |
| Fish by Picture #1 | 0 | - | 4.41 | 109,029 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,823 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,470 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,323 |
| Birds by Picture #1 | 0 | - | 4.47 | 42,005 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,533 |
| First Names A - Z by Picture | 0 | - | 4.05 | 18,699 |
| Famous Germans by Picture | 0 | - | 4.12 | 16,896 |
| Famous Italians by Picture | 0 | - | 4.06 | 22,008 |
| Emoji Flags | 0 | - | 4.35 | 44,265 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 172,601 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.68 | 38,196 |
| Languages by Combined Flags | 0 | - | 4.53 | 100,594 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,614 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 66,911 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 71,200 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,920 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 395,545 |
| Airline Logos | 0 | - | 4.45 | 141,354 |
| Fast Food Logos Quiz | 0 | - | 4.45 | 249,344 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 159,819 |
| Brand Logos That Start With M | 0 | - | 4.38 | 63,445 |
| Brand Logos That Start With S | 0 | - | 4.37 | 58,199 |
| Brand Logos That Start With B | 0 | - | 4.38 | 60,564 |
| Brand Logos That Start With D | 0 | - | 4.36 | 62,123 |
| Brand Logos That Start With L | 0 | - | 4.39 | 61,827 |
| Brand Logos That Start With C | 0 | - | 4.20 | 50,068 |
| Pictures by Letter - E | 0 | - | 3.51 | 34,642 |
| Pictures by Letter - G | 0 | - | 4.14 | 28,365 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,749 |
| Pictures by Letter - F | 0 | - | 4.18 | 29,247 |
| Pictures by Letter - Z | 0 | - | 4.05 | 23,584 |
| Pictures by Letter - Y | 0 | - | 4.21 | 26,435 |
| Pictures by Letter - R | 0 | - | 4.05 | 24,909 |
| Pictures by Letter - K | 0 | - | 4.18 | 25,283 |
| Pictures by Letter - I | 0 | - | 4.16 | 30,554 |
| Pictures by Letter - N | 0 | - | 4.11 | 24,642 |
| Pictures by Letter - P | 0 | - | 4.05 | 26,191 |
