| Pictures by Letter - A | 0 | - | 4.17 | 33,460 |
| Pictures by Letter - J | 0 | - | 4.31 | 40,074 |
| Pictures by Letter - B | 0 | - | 4.31 | 44,021 |
| Pictures by Letter - D | 0 | - | 4.13 | 37,619 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,835 |
| Former Countries by Territory Map | 0 | - | 4.96 | 102,887 |
| Empires by Maps | 0 | - | 4.98 | 120,595 |
| Pictures by Letter - E | 0 | - | 3.49 | 34,518 |
| Pictures by Letter - G | 0 | - | 4.14 | 28,201 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,595 |
| Pictures by Letter - F | 0 | - | 4.17 | 29,080 |
| Pictures by Letter - Z | 0 | - | 4.05 | 23,487 |
| Pictures by Letter - Y | 0 | - | 4.21 | 26,333 |
| Pictures by Letter - R | 0 | - | 4.05 | 24,799 |
| Pictures by Letter - K | 0 | - | 4.18 | 25,157 |
| Pictures by Letter - I | 0 | - | 4.16 | 30,416 |
| Pictures by Letter - N | 0 | - | 4.11 | 24,522 |
| Pictures by Letter - P | 0 | - | 4.05 | 26,086 |
| Pictures by Letter - U | 0 | - | 4.10 | 20,812 |
| Pictures by Letter - T | 0 | - | 4.34 | 27,722 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,296 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 104,429 |
| Play-Doh People from History | 0 | - | 4.99 | 94,865 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,649 |
| All Country Flags of the World | 0 | - | 5.00 | 3,668,379 |
| Pictures by Letter - H | 0 | - | 3.97 | 30,518 |
| Pictures by Letter - C | 0 | - | 3.99 | 30,248 |
| Pictures by Letter - O | 0 | - | 3.98 | 28,719 |
| Pictures by Letter - Q | 0 | - | 3.92 | 20,465 |
| Pictures by Letter - S | 0 | - | 3.82 | 20,990 |
| Pictures by Letter - W | 0 | - | 3.87 | 20,169 |
| Pictures by Letter - V | 0 | - | 4.00 | 18,012 |
| Years in History by Picture | 0 | - | 4.44 | 35,547 |
| Famous Foreheads #1 | 0 | - | 4.47 | 74,965 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,537,879 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,093,253 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 733,664 |
| Name that Object #1 | 0 | - | 3.57 | 96,512 |
| Animals by Skeleton Image | 0 | - | 4.81 | 46,538 |
| Make a Stained Glass Window | 0 | - | 5.00 | 68,555 |
| Flags with Crescents | 0 | - | 4.98 | 169,717 |
| Country Flag Trivia | 0 | - | 4.81 | 57,122 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,872 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,586 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,527 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,329 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,285 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,876 |
| Ultimate Car Logos Quiz | 0 | - | 4.81 | 180,893 |
| National Football Team Logos | 0 | - | 4.85 | 180,478 |
| Old Movies by Picture | 0 | - | 4.51 | 25,111 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 47,057 |
| Random Logos Quiz | 0 | - | 4.31 | 208,546 |
| Fruits by Picture | 0 | - | 4.19 | 807,492 |
| Geography by Picture - B | 0 | - | 4.42 | 55,627 |
| Geography by Picture - H | 0 | - | 4.50 | 58,252 |
| Geography by Picture - N | 0 | - | 4.45 | 42,220 |
| Geography by Picture - R | 0 | - | 4.56 | 41,042 |
| Geography by Picture - T | 0 | - | 4.54 | 57,869 |
| Flags to Languages | 0 | - | 4.95 | 173,707 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 115,206 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,586 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 84,161 |
| Name that Object #2 | 0 | - | 3.64 | 15,456 |
| Name that Object #3 | 0 | - | 3.93 | 14,411 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,451 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 337,709 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,062 |
| Car Logos Quiz #1 | 0 | - | 4.45 | 539,492 |
| Name that Bug | 0 | - | 4.12 | 45,570 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,386 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 57,990 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,720 |
| Elements by Picture | 0 | - | 4.27 | 69,986 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,340 |
| Islands by Picture | 0 | - | 4.28 | 107,051 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,286 |
| Animals by Close-up Image | 0 | - | 4.42 | 218,101 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,666 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,249 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,874 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 48,039 |
| International Footballers by Picture | 0 | - | 4.50 | 55,693 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 284,712 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 107,766 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.51 | 50,853 |
| Geography by Picture - A | 0 | - | 4.39 | 60,283 |
| Geography by Picture - D | 0 | - | 4.15 | 45,675 |
| Geography by Picture - F | 0 | - | 4.31 | 51,027 |
| Geography by Picture - G | 0 | - | 4.38 | 47,968 |
| Geography by Picture - J | 0 | - | 4.16 | 38,486 |
| Geography by Picture - K | 0 | - | 4.29 | 33,147 |
| Geography by Picture - C | 0 | - | 4.31 | 57,093 |
| Geography by Picture - L | 0 | - | 4.37 | 58,995 |
| Geography by Picture - M | 0 | - | 4.14 | 40,483 |
| Geography by Picture - P | 0 | - | 4.24 | 42,452 |
| Geography by Picture - S | 0 | - | 4.38 | 47,059 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 280,622 |
| Flag Maths | 0 | - | 4.64 | 57,768 |
| Satellite Images #1 | 0 | - | 4.47 | 129,409 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,334 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,941 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,952 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,005 |
| Cities by Picture #1 | 0 | - | 4.73 | 86,051 |
| Soccer Team Logos | 0 | - | 4.26 | 374,804 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 262,155 |
| Video Game Logos Quiz | 0 | - | 4.40 | 184,109 |
| Movie Logos | 0 | - | 4.33 | 238,649 |
| Brand Logos That Start with A | 0 | - | 4.52 | 70,427 |
| History by Picture - A | 0 | - | 4.26 | 45,853 |
| History by Picture - B | 0 | - | 4.40 | 49,031 |
| History by Picture - C | 0 | - | 4.36 | 54,540 |
| History by Picture - F | 0 | - | 4.35 | 37,929 |
| History by Picture - G | 0 | - | 4.40 | 42,182 |
| History by Picture - D | 0 | - | 4.29 | 44,357 |
| History by Picture - E | 0 | - | 4.25 | 43,977 |
| History by Picture - H | 0 | - | 4.37 | 36,833 |
| History by Picture - K | 0 | - | 4.35 | 33,397 |
| History by Picture - M | 0 | - | 4.17 | 36,183 |
| History by Picture - N | 0 | - | 4.40 | 41,303 |
| History by Picture - O | 0 | - | 4.39 | 36,354 |
| History by Picture - T | 0 | - | 4.20 | 33,343 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 57,332 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 103,891 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,633 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,424,218 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 119,255 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,380 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 269,007 |
| Foods by Picture | 0 | - | 3.81 | 226,156 |
| Flowers by Picture | 0 | - | 4.46 | 105,673 |
| Junk Foods by Picture | 0 | - | 3.69 | 96,410 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,766 |
| Christmas by Picture | 0 | - | 4.26 | 28,183 |
| Hats by Picture | 0 | - | 4.21 | 17,970 |
| Weapons by Picture | 0 | - | 4.13 | 21,070 |
| Cars by Picture | 0 | - | 3.89 | 41,534 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,303 |
| Authors by Picture | 0 | - | 4.48 | 25,543 |
| Plants by Picture | 0 | - | 4.24 | 14,459 |
| Fruit and Vegetable Emojis | 0 | - | 4.44 | 89,900 |
| WWII Figures by Picture | 0 | - | 4.89 | 65,579 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 55,820 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,879 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 66,043 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 58,914 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,568 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,488 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,166 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,153 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,693 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,274 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 165,233 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,459 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,453 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 51,206 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 71,764 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.13 | 79,474 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 72,482 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 95,634 |
| Women in History by Picture | 0 | - | 4.25 | 25,934 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 46,184 |
| Famous Foreheads #2 | 0 | - | 3.17 | 15,787 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 239,506 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 159,237 |
| Name that Historical Figure #6 | 0 | - | 4.26 | 93,383 |
| Musicians by Picture #1 | 0 | - | 4.37 | 108,922 |
| Musicians by Picture #2 | 0 | - | 4.29 | 76,536 |
| Musicians by Picture #4 | 0 | - | 4.07 | 64,976 |
| Musicians by Picture #3 | 0 | - | 4.10 | 59,045 |
| Geography by Picture - E | 0 | - | 3.55 | 47,400 |
| Landforms by Picture | 0 | - | 4.31 | 20,687 |
| Geography by Picture - I | 0 | - | 4.00 | 39,447 |
| Geography by Picture - O | 0 | - | 4.01 | 28,153 |
| Emoji Flags | 0 | - | 4.35 | 44,116 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.67 | 37,900 |
| Languages by Combined Flags | 0 | - | 4.53 | 100,072 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,414 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 66,468 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,787 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,824 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 394,650 |
| Airline Logos | 0 | - | 4.45 | 140,812 |
| Fast Food Logos Quiz | 0 | - | 4.45 | 248,476 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 159,136 |
| Brand Logos That Start With M | 0 | - | 4.40 | 62,934 |
| Brand Logos That Start With S | 0 | - | 4.37 | 57,702 |
| Brand Logos That Start With B | 0 | - | 4.38 | 60,070 |
| Brand Logos That Start With D | 0 | - | 4.37 | 61,633 |
| Brand Logos That Start With L | 0 | - | 4.39 | 61,243 |
| Brand Logos That Start With C | 0 | - | 4.17 | 49,726 |
| History by Picture - I | 0 | - | 4.24 | 26,262 |
| History by Picture - J | 0 | - | 4.18 | 26,763 |
| History by Picture - L | 0 | - | 4.18 | 30,822 |
| History by Picture - P | 0 | - | 4.08 | 25,321 |
| History by Picture - Q | 0 | - | 4.03 | 22,114 |
| History by Picture - R | 0 | - | 4.13 | 26,878 |
| History by Picture - S | 0 | - | 4.14 | 27,819 |
| History by Picture - U | 0 | - | 4.24 | 25,167 |
