| Play-Doh People from History | 0 | - | 4.99 | 95,330 |
| Famous Foreheads #1 | 0 | - | 4.47 | 75,271 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 338,747 |
| Former Countries by Territory Map | 0 | - | 4.96 | 103,463 |
| Empires by Maps | 0 | - | 4.98 | 121,457 |
| Merged Company Logos #1 | 0 | - | 4.90 | 107,033 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 48,155 |
| International Footballers by Picture | 0 | - | 4.51 | 56,193 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 285,606 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 108,298 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.51 | 51,086 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,444 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 105,065 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 165,690 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,671 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,605 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 51,321 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 72,021 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.14 | 79,681 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 72,729 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 95,958 |
| Women in History by Picture | 0 | - | 4.25 | 25,999 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 46,312 |
| Famous Foreheads #2 | 0 | - | 3.17 | 15,832 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 240,296 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 159,788 |
| Name that Historical Figure #6 | 0 | - | 4.26 | 93,840 |
| Musicians by Picture #1 | 0 | - | 4.38 | 109,712 |
| Musicians by Picture #2 | 0 | - | 4.29 | 77,148 |
| Musicians by Picture #4 | 0 | - | 4.07 | 65,423 |
| Musicians by Picture #3 | 0 | - | 4.10 | 59,411 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,936 |
| All Country Flags of the World | 0 | - | 5.00 | 3,699,288 |
| Years in History by Picture | 0 | - | 4.44 | 35,694 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,543,258 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,095,898 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 735,547 |
| Merged Company Logos #2 | 0 | - | 4.75 | 77,960 |
| Name that Object #1 | 0 | - | 3.57 | 96,573 |
| Animals by Skeleton Image | 0 | - | 4.81 | 46,807 |
| Make a Stained Glass Window | 0 | - | 5.00 | 68,882 |
| Oscar Nominated Actresses by Picture #1 | 0 | - | 4.30 | 129,999 |
| 1980s Celebrities by Picture #1 | 0 | - | 3.97 | 61,729 |
| 2000s Celebrities by Picture #1 | 0 | - | 3.93 | 102,592 |
| Oscar Nominated Actors by Picture #2 | 0 | - | 4.30 | 46,823 |
| Oscar Nominated Actresses by Picture #2 | 0 | - | 4.38 | 48,979 |
| Musicians by Picture #5 | 0 | - | 3.93 | 54,608 |
| Flags with Crescents | 0 | - | 4.98 | 170,914 |
| Country Flag Trivia | 0 | - | 4.81 | 57,755 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,578 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,153 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,252 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,725 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,759 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 53,319 |
| Ultimate Car Logos Quiz | 0 | - | 4.81 | 183,073 |
| National Football Team Logos | 0 | - | 4.85 | 181,353 |
| 1930s Celebrities by Picture | 0 | - | 4.33 | 12,685 |
| People by Country - Tile Select | 0 | - | 3.77 | 14,226 |
| Old Movies by Picture | 0 | - | 4.51 | 25,206 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 47,247 |
| Celebrity Mugshots Quiz #1 | 0 | - | 4.07 | 259,612 |
| Celebrity Mugshots Quiz #3 | 0 | - | 4.05 | 145,165 |
| Random Logos Quiz | 0 | - | 4.33 | 209,121 |
| Pictures by Letter - A | 0 | - | 4.18 | 33,581 |
| Pictures by Letter - J | 0 | - | 4.31 | 40,222 |
| Pictures by Letter - B | 0 | - | 4.32 | 44,183 |
| Pictures by Letter - D | 0 | - | 4.14 | 37,752 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,950 |
| Fruits by Picture | 0 | - | 4.19 | 808,655 |
| Geography by Picture - B | 0 | - | 4.42 | 55,736 |
| Geography by Picture - H | 0 | - | 4.50 | 58,336 |
| Geography by Picture - N | 0 | - | 4.45 | 42,304 |
| Geography by Picture - R | 0 | - | 4.56 | 41,111 |
| Geography by Picture - T | 0 | - | 4.54 | 57,957 |
| Flags to Languages | 0 | - | 4.95 | 174,258 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 115,993 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,896 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 84,576 |
| Name that Object #2 | 0 | - | 3.64 | 15,494 |
| Name that Object #3 | 0 | - | 3.93 | 14,445 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,745 |
| 2010s Celebrities by Picture #1 | 0 | - | 4.32 | 173,654 |
| 2010s Celebrities by Picture #2 | 0 | - | 4.15 | 149,624 |
| Celebrity Mugshots Quiz #2 | 0 | - | 3.89 | 114,256 |
| Rappers by Picture | 0 | - | 4.23 | 135,373 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,323 |
| Car Logos Quiz #1 | 0 | - | 4.52 | 542,714 |
| Pictures by Letter - E | 0 | - | 3.51 | 34,610 |
| Pictures by Letter - G | 0 | - | 4.14 | 28,336 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,709 |
| Pictures by Letter - F | 0 | - | 4.18 | 29,211 |
| Pictures by Letter - Z | 0 | - | 4.05 | 23,562 |
| Pictures by Letter - Y | 0 | - | 4.21 | 26,420 |
| Pictures by Letter - R | 0 | - | 4.05 | 24,885 |
| Pictures by Letter - K | 0 | - | 4.18 | 25,249 |
| Pictures by Letter - I | 0 | - | 4.16 | 30,528 |
| Pictures by Letter - N | 0 | - | 4.11 | 24,614 |
| Pictures by Letter - P | 0 | - | 4.05 | 26,170 |
| Pictures by Letter - U | 0 | - | 4.10 | 20,892 |
| Pictures by Letter - T | 0 | - | 4.34 | 27,811 |
| Name that Bug | 0 | - | 4.12 | 45,611 |
| Islands by Shape #1 | 0 | - | 4.33 | 84,467 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 58,180 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,888 |
| Elements by Picture | 0 | - | 4.27 | 70,209 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,468 |
| Islands by Picture | 0 | - | 4.28 | 107,546 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,417 |
| Animals by Close-up Image | 0 | - | 4.42 | 218,831 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,904 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,414 |
| Mammals by Picture #1 | 0 | - | 4.70 | 92,244 |
| Famous Canadians by Picture | 0 | - | 4.39 | 49,472 |
| Geography by Picture - A | 0 | - | 4.39 | 60,386 |
| Geography by Picture - D | 0 | - | 4.15 | 45,751 |
| Geography by Picture - F | 0 | - | 4.31 | 51,130 |
| Geography by Picture - G | 0 | - | 4.39 | 48,047 |
| Geography by Picture - J | 0 | - | 4.16 | 38,559 |
| Geography by Picture - K | 0 | - | 4.29 | 33,216 |
| Geography by Picture - C | 0 | - | 4.31 | 57,187 |
| Geography by Picture - L | 0 | - | 4.37 | 59,094 |
| Geography by Picture - M | 0 | - | 4.14 | 40,548 |
| Geography by Picture - P | 0 | - | 4.24 | 42,528 |
| Geography by Picture - S | 0 | - | 4.38 | 47,144 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 281,618 |
| Flag Maths | 0 | - | 4.61 | 57,815 |
| Satellite Images #1 | 0 | - | 4.47 | 129,596 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,495 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,077 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,099 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,101 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,439 |
| Soccer Team Logos | 0 | - | 4.26 | 376,704 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 263,327 |
| Video Game Logos Quiz | 0 | - | 4.40 | 184,732 |
| Movie Logos | 0 | - | 4.33 | 239,811 |
| Brand Logos That Start with A | 0 | - | 4.52 | 70,933 |
| History by Picture - A | 0 | - | 4.26 | 46,048 |
| History by Picture - B | 0 | - | 4.40 | 49,228 |
| History by Picture - C | 0 | - | 4.36 | 54,761 |
| History by Picture - F | 0 | - | 4.35 | 38,102 |
| History by Picture - G | 0 | - | 4.40 | 42,344 |
| History by Picture - D | 0 | - | 4.29 | 44,552 |
| History by Picture - E | 0 | - | 4.25 | 44,138 |
| History by Picture - H | 0 | - | 4.37 | 36,993 |
| History by Picture - K | 0 | - | 4.35 | 33,534 |
| History by Picture - M | 0 | - | 4.17 | 36,314 |
| History by Picture - N | 0 | - | 4.40 | 41,455 |
| History by Picture - O | 0 | - | 4.39 | 36,483 |
| History by Picture - T | 0 | - | 4.20 | 33,475 |
| Name that Nut, Seed, or Bean | 0 | - | 4.57 | 57,567 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 104,471 |
| Famous Australians by Picture | 0 | - | 4.25 | 28,901 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,196 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,433,965 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 119,668 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,723 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 269,563 |
| Foods by Picture | 0 | - | 3.81 | 226,441 |
| Flowers by Picture | 0 | - | 4.46 | 105,809 |
| Junk Foods by Picture | 0 | - | 3.69 | 96,599 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,909 |
| Christmas by Picture | 0 | - | 4.26 | 28,217 |
| Hats by Picture | 0 | - | 4.21 | 18,006 |
| Weapons by Picture | 0 | - | 4.13 | 21,133 |
| Cars by Picture | 0 | - | 3.89 | 41,730 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,355 |
| Authors by Picture | 0 | - | 4.48 | 25,605 |
| Plants by Picture | 0 | - | 4.24 | 14,507 |
| Fruit and Vegetable Emojis | 0 | - | 4.45 | 90,671 |
| WWII Figures by Picture | 0 | - | 4.89 | 66,053 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 56,065 |
| Planets By Picture Quiz | 0 | - | 4.49 | 57,219 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 66,391 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 59,200 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,769 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,736 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,397 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,252 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,943 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,446 |
| First Names A - Z by Picture | 0 | - | 4.05 | 18,686 |
| Famous Germans by Picture | 0 | - | 4.12 | 16,887 |
| Famous Italians by Picture | 0 | - | 4.06 | 21,993 |
| Geography by Picture - E | 0 | - | 3.55 | 47,466 |
| Landforms by Picture | 0 | - | 4.31 | 20,732 |
| Geography by Picture - I | 0 | - | 4.00 | 39,504 |
| Geography by Picture - O | 0 | - | 4.01 | 28,215 |
| Emoji Flags | 0 | - | 4.35 | 44,238 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.68 | 38,140 |
| Languages by Combined Flags | 0 | - | 4.53 | 100,457 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,515 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 66,811 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 71,119 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,899 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 395,366 |
| Airline Logos | 0 | - | 4.45 | 141,244 |
| Fast Food Logos Quiz | 0 | - | 4.45 | 249,179 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 159,669 |
