| Famous Foreheads #1 | 0 | - | 4.45 | 72,325 |
| Name that Historical Figure #1 | 0 | - | 4.61 | 323,552 |
| Former Countries by Territory Map | 0 | - | 4.96 | 97,643 |
| Empires by Maps | 0 | - | 4.98 | 112,456 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 47,005 |
| International Footballers by Picture | 0 | - | 4.49 | 52,068 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 266,253 |
| Name that Historical Figure #5 | 0 | - | 4.42 | 101,980 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.47 | 47,850 |
| Islands by Shape #2 | 0 | - | 4.87 | 48,852 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 97,745 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.41 | 161,961 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.26 | 68,717 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.25 | 50,141 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 50,173 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.18 | 69,786 |
| 1980s Celebrities by Picture #1 | 0 | - | 4.02 | 60,120 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.13 | 77,548 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.13 | 70,261 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.17 | 92,066 |
| Women in History by Picture | 0 | - | 4.27 | 25,208 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 45,216 |
| Famous Foreheads #2 | 0 | - | 3.19 | 15,352 |
| Name that Historical Figure #3 | 0 | - | 4.38 | 230,927 |
| Name that Historical Figure #4 | 0 | - | 4.30 | 152,938 |
| Name that Historical Figure #6 | 0 | - | 4.25 | 88,465 |
| Musicians by Picture #1 | 0 | - | 4.38 | 102,534 |
| Musicians by Picture #2 | 0 | - | 4.24 | 71,879 |
| Musicians by Picture #4 | 0 | - | 4.05 | 61,461 |
| Musicians by Picture #3 | 0 | - | 4.08 | 56,473 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 59,201 |
| All Country Flags of the World | 0 | - | 5.00 | 3,422,579 |
| Years in History by Picture | 0 | - | 4.43 | 33,740 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,488,774 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,068,832 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 716,389 |
| Name that Object #1 | 0 | - | 3.58 | 95,922 |
| Animals by Skeleton Image | 0 | - | 4.81 | 44,148 |
| Make a Stained Glass Window | 0 | - | 4.99 | 65,675 |
| Oscar Nominated Actresses by Picture #1 | 0 | - | 4.29 | 127,058 |
| 2000s Celebrities by Picture #1 | 0 | - | 3.93 | 99,811 |
| Oscar Nominated Actors by Picture #2 | 0 | - | 4.31 | 44,740 |
| Oscar Nominated Actresses by Picture #2 | 0 | - | 4.35 | 46,748 |
| Musicians by Picture #5 | 0 | - | 3.90 | 52,085 |
| Flags with Crescents | 0 | - | 4.98 | 161,069 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 97,967 |
| Country Flags with the Union Jack | 0 | - | 4.81 | 65,298 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 81,065 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 63,556 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.83 | 81,492 |
| Flag Maths | 0 | - | 4.89 | 56,468 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.82 | 49,335 |
| National Football Team Logos | 0 | - | 4.85 | 173,238 |
| 1930s Celebrities by Picture | 0 | - | 4.30 | 11,697 |
| People by Country - Tile Select | 0 | - | 3.75 | 13,996 |
| Old Movies by Picture | 0 | - | 4.51 | 23,982 |
| Musical Instruments by Picture #2 | 0 | - | 4.23 | 45,730 |
| Celebrity Mugshots Quiz #1 | 0 | - | 4.09 | 255,136 |
| Celebrity Mugshots Quiz #3 | 0 | - | 4.01 | 142,632 |
| Random Logos Quiz | 0 | - | 4.33 | 202,594 |
| Pictures by Letter - A | 0 | - | 4.15 | 32,309 |
| Pictures by Letter - J | 0 | - | 4.28 | 38,890 |
| Pictures by Letter - B | 0 | - | 4.29 | 42,572 |
| Pictures by Letter - D | 0 | - | 4.15 | 36,479 |
| Pictures by Letter - M | 0 | - | 4.21 | 36,794 |
| Fruits by Picture | 0 | - | 4.19 | 792,995 |
| Geography by Picture - B | 0 | - | 4.41 | 54,729 |
| Geography by Picture - H | 0 | - | 4.49 | 57,409 |
| Geography by Picture - N | 0 | - | 4.44 | 41,508 |
| Geography by Picture - R | 0 | - | 4.55 | 40,374 |
| Geography by Picture - T | 0 | - | 4.54 | 57,047 |
| Flags to Languages | 0 | - | 4.95 | 168,600 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 108,247 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.96 | 48,104 |
| Name that Object #2 | 0 | - | 3.65 | 15,028 |
| Name that Object #3 | 0 | - | 3.98 | 14,061 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 53,093 |
| 2010s Celebrities by Picture #1 | 0 | - | 4.32 | 165,983 |
| 2010s Celebrities by Picture #2 | 0 | - | 4.14 | 143,316 |
| Celebrity Mugshots Quiz #2 | 0 | - | 3.84 | 112,566 |
| Rappers by Picture | 0 | - | 4.22 | 127,658 |
| Name the Pixelated Landmark | 0 | - | 4.83 | 60,542 |
| Car Logos Quiz #1 | 0 | - | 4.52 | 513,084 |
| Pictures by Letter - E | 0 | - | 3.47 | 33,662 |
| Pictures by Letter - C | 0 | - | 4.01 | 29,328 |
| Pictures by Letter - G | 0 | - | 4.10 | 27,227 |
| Pictures by Letter - L | 0 | - | 4.12 | 29,678 |
| Pictures by Letter - F | 0 | - | 4.15 | 28,078 |
| Pictures by Letter - Z | 0 | - | 4.10 | 22,798 |
| Pictures by Letter - Y | 0 | - | 4.20 | 25,518 |
| Pictures by Letter - R | 0 | - | 4.06 | 24,010 |
| Pictures by Letter - K | 0 | - | 4.14 | 24,354 |
| Pictures by Letter - I | 0 | - | 4.16 | 29,475 |
| Pictures by Letter - N | 0 | - | 4.11 | 23,767 |
| Pictures by Letter - P | 0 | - | 4.04 | 25,302 |
| Pictures by Letter - U | 0 | - | 4.07 | 20,106 |
| Pictures by Letter - T | 0 | - | 4.32 | 26,855 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 80,823 |
| Name that Bug | 0 | - | 4.11 | 45,071 |
| Islands by Shape #1 | 0 | - | 4.31 | 82,675 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 56,503 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 49,458 |
| Elements by Picture | 0 | - | 4.27 | 68,126 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.47 | 28,639 |
| Islands by Picture | 0 | - | 4.28 | 102,718 |
| Classic Movies by Movie Posters | 0 | - | 4.44 | 23,413 |
| Animals by Close-up Image | 0 | - | 4.42 | 213,621 |
| Mammals by Picture #3 | 0 | - | 4.44 | 60,282 |
| Aquatic Mammals by Picture | 0 | - | 4.42 | 43,965 |
| Extinct Animals by Picture | 0 | - | 4.48 | 33,876 |
| Mammals by Picture #1 | 0 | - | 4.75 | 88,972 |
| Famous Canadians by Picture | 0 | - | 4.39 | 48,282 |
| Geography by Picture - A | 0 | - | 4.38 | 59,321 |
| Geography by Picture - D | 0 | - | 4.14 | 44,944 |
| Geography by Picture - F | 0 | - | 4.30 | 50,235 |
| Geography by Picture - G | 0 | - | 4.39 | 47,275 |
| Geography by Picture - J | 0 | - | 4.16 | 37,879 |
| Geography by Picture - K | 0 | - | 4.27 | 32,572 |
| Geography by Picture - C | 0 | - | 4.30 | 56,306 |
| Geography by Picture - L | 0 | - | 4.36 | 58,088 |
| Geography by Picture - M | 0 | - | 4.13 | 39,903 |
| Geography by Picture - P | 0 | - | 4.23 | 41,846 |
| Geography by Picture - S | 0 | - | 4.37 | 46,401 |
| Miscellaneous Flags Quiz | 0 | - | 4.41 | 272,688 |
| Country Flag Trivia | 0 | - | 4.80 | 52,406 |
| Satellite Images Quiz #1 | 0 | - | 4.49 | 127,578 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 107,728 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 87,776 |
| Satellite Images Quiz #5 | 0 | - | 4.48 | 48,754 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,082 |
| Cities by Picture #1 | 0 | - | 4.70 | 83,430 |
| Soccer Team Logos | 0 | - | 4.26 | 359,957 |
| Ultimate Car Logos Quiz | 0 | - | 4.77 | 164,224 |
| Car Logos Quiz #2 | 0 | - | 4.42 | 251,655 |
| Video Game Logos Quiz | 0 | - | 4.37 | 164,812 |
| Movie Logos | 0 | - | 4.31 | 227,937 |
| Brand Logos That Start With M | 0 | - | 4.43 | 58,643 |
| Brand Logos That Start with A | 0 | - | 4.51 | 66,190 |
| History by Picture - A | 0 | - | 4.24 | 44,211 |
| History by Picture - B | 0 | - | 4.38 | 47,275 |
| History by Picture - C | 0 | - | 4.36 | 52,698 |
| History by Picture - F | 0 | - | 4.33 | 36,496 |
| History by Picture - G | 0 | - | 4.38 | 40,771 |
| History by Picture - D | 0 | - | 4.30 | 42,807 |
| History by Picture - E | 0 | - | 4.27 | 42,486 |
| History by Picture - H | 0 | - | 4.36 | 35,530 |
| History by Picture - K | 0 | - | 4.33 | 32,223 |
| History by Picture - M | 0 | - | 4.17 | 35,025 |
| History by Picture - N | 0 | - | 4.39 | 39,973 |
| History by Picture - O | 0 | - | 4.38 | 35,069 |
| History by Picture - T | 0 | - | 4.28 | 32,256 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 55,407 |
| Vegetables by Picture | 0 | - | 4.41 | 60,952 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 98,925 |
| Famous Australians by Picture | 0 | - | 4.25 | 27,940 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 139,903 |
| Brand Logos Quiz #1 | 0 | - | 4.82 | 2,338,465 |
| Art Works Picture Quiz #1 | 0 | - | 4.52 | 115,235 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 95,831 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 264,926 |
| Foods by Picture | 0 | - | 3.80 | 223,562 |
| Flowers by Picture | 0 | - | 4.47 | 103,868 |
| Junk Foods by Picture | 0 | - | 3.69 | 94,618 |
| Art Works Picture Quiz #3 | 0 | - | 4.44 | 47,089 |
| Christmas by Picture | 0 | - | 4.25 | 27,876 |
| Hats by Picture | 0 | - | 4.21 | 17,735 |
| Weapons by Picture | 0 | - | 4.11 | 20,435 |
| Cars by Picture | 0 | - | 3.88 | 39,901 |
| Reptile Picture Quiz | 0 | - | 4.30 | 13,936 |
| Authors by Picture | 0 | - | 4.47 | 24,990 |
| Plants by Picture | 0 | - | 4.22 | 14,057 |
| Fruit and Vegetable Emojis | 0 | - | 4.42 | 74,710 |
| WWII Figures by Picture | 0 | - | 4.83 | 47,963 |
| College Sports Logos Quiz #3 | 0 | - | 4.29 | 52,502 |
| Planets By Picture Quiz | 0 | - | 4.50 | 53,972 |
| Songs by Picture Quiz #1 | 0 | - | 4.69 | 63,388 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 56,691 |
| Fish by Picture #1 | 0 | - | 4.41 | 106,659 |
| Animals A-Z by Picture | 0 | - | 4.09 | 64,432 |
| Mammals by Picture #4 | 0 | - | 4.04 | 33,112 |
| Birds by Picture #1 | 0 | - | 4.46 | 39,500 |
| Mammals by Picture #2 | 0 | - | 4.30 | 56,658 |
| First Names A - Z by Picture | 0 | - | 4.05 | 18,216 |
| Famous Germans by Picture | 0 | - | 4.11 | 16,471 |
| Famous Italians by Picture | 0 | - | 4.05 | 21,536 |
| Geography by Picture - E | 0 | - | 3.54 | 46,865 |
| Landforms by Picture | 0 | - | 4.35 | 20,200 |
| Geography by Picture - I | 0 | - | 3.99 | 38,943 |
| Emoji Flags | 0 | - | 4.34 | 42,995 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.64 | 36,271 |
| Languages by Combined Flags | 0 | - | 4.64 | 71,692 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 72,588 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 63,949 |
| Islands by Satellite Image #1 | 0 | - | 4.74 | 68,256 |
| Peninsulas by Satellite Image | 0 | - | 4.54 | 27,243 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 374,705 |
| Airline Logos | 0 | - | 4.44 | 137,481 |
| Fast Food Logos Quiz | 0 | - | 4.42 | 242,410 |
| Mostly-American Candy Logos | 0 | - | 4.10 | 153,670 |
| Brand Logos That Start With S | 0 | - | 4.39 | 53,938 |
