| Pictures by Letter - A | 0 | - | 4.17 | 33,336 |
| Pictures by Letter - J | 0 | - | 4.31 | 39,956 |
| Pictures by Letter - B | 0 | - | 4.31 | 43,875 |
| Pictures by Letter - D | 0 | - | 4.13 | 37,519 |
| Former Countries by Territory Map | 0 | - | 4.96 | 102,466 |
| Empires by Maps | 0 | - | 4.98 | 119,855 |
| Pictures by Letter - E | 0 | - | 3.49 | 34,435 |
| Pictures by Letter - G | 0 | - | 4.14 | 28,090 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,506 |
| Pictures by Letter - F | 0 | - | 4.17 | 28,979 |
| Pictures by Letter - Z | 0 | - | 4.05 | 23,412 |
| Pictures by Letter - Y | 0 | - | 4.22 | 26,247 |
| Pictures by Letter - R | 0 | - | 4.05 | 24,722 |
| Pictures by Letter - K | 0 | - | 4.18 | 25,075 |
| Pictures by Letter - I | 0 | - | 4.16 | 30,337 |
| Pictures by Letter - N | 0 | - | 4.11 | 24,456 |
| Pictures by Letter - P | 0 | - | 4.05 | 26,000 |
| Pictures by Letter - U | 0 | - | 4.10 | 20,745 |
| Pictures by Letter - T | 0 | - | 4.34 | 27,630 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,175 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 103,859 |
| Play-Doh People from History | 0 | - | 4.99 | 94,542 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,404 |
| All Country Flags of the World | 0 | - | 5.00 | 3,644,304 |
| Pictures by Letter - H | 0 | - | 3.97 | 30,435 |
| Pictures by Letter - C | 0 | - | 3.99 | 30,153 |
| Pictures by Letter - O | 0 | - | 3.98 | 28,644 |
| Pictures by Letter - Q | 0 | - | 3.92 | 20,398 |
| Pictures by Letter - S | 0 | - | 3.82 | 20,912 |
| Pictures by Letter - W | 0 | - | 3.92 | 20,106 |
| Pictures by Letter - V | 0 | - | 4.00 | 17,947 |
| Years in History by Picture | 0 | - | 4.44 | 35,412 |
| Famous Foreheads #1 | 0 | - | 4.47 | 74,707 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,533,821 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,091,211 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 732,298 |
| Name that Object #1 | 0 | - | 3.57 | 96,456 |
| Make a Stained Glass Window | 0 | - | 5.00 | 68,315 |
| Flags with Crescents | 0 | - | 4.98 | 168,933 |
| Country Flag Trivia | 0 | - | 4.81 | 56,700 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,323 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,169 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 86,941 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,049 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 84,961 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,559 |
| National Football Team Logos | 0 | - | 4.85 | 179,874 |
| Old Movies by Picture | 0 | - | 4.51 | 25,037 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 46,921 |
| Random Logos Quiz | 0 | - | 4.31 | 208,052 |
| Fruits by Picture | 0 | - | 4.19 | 806,484 |
| Geography by Picture - B | 0 | - | 4.42 | 55,550 |
| Geography by Picture - H | 0 | - | 4.50 | 58,171 |
| Geography by Picture - N | 0 | - | 4.45 | 42,160 |
| Geography by Picture - R | 0 | - | 4.56 | 40,976 |
| Geography by Picture - T | 0 | - | 4.54 | 57,789 |
| Flags to Languages | 0 | - | 4.95 | 173,311 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 114,614 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,364 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 83,828 |
| Name that Object #2 | 0 | - | 3.64 | 15,421 |
| Name that Object #3 | 0 | - | 3.93 | 14,377 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,245 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 336,949 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,843 |
| Car Logos Quiz #1 | 0 | - | 4.44 | 537,088 |
| Name that Bug | 0 | - | 4.12 | 45,526 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,296 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 57,850 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,593 |
| Elements by Picture | 0 | - | 4.27 | 69,809 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,267 |
| Islands by Picture | 0 | - | 4.29 | 106,648 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,208 |
| Animals by Skeleton Image | 0 | - | 4.80 | 46,325 |
| Animals by Close-up Image | 0 | - | 4.42 | 217,546 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,513 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,140 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,604 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 47,934 |
| International Footballers by Picture | 0 | - | 4.50 | 55,343 |
| Name that Historical Figure #2 | 0 | - | 4.41 | 284,038 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 107,377 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.50 | 50,671 |
| Geography by Picture - A | 0 | - | 4.39 | 60,186 |
| Geography by Picture - D | 0 | - | 4.15 | 45,603 |
| Geography by Picture - F | 0 | - | 4.31 | 50,937 |
| Geography by Picture - G | 0 | - | 4.38 | 47,905 |
| Geography by Picture - J | 0 | - | 4.16 | 38,424 |
| Geography by Picture - K | 0 | - | 4.29 | 33,087 |
| Geography by Picture - C | 0 | - | 4.31 | 57,025 |
| Geography by Picture - L | 0 | - | 4.37 | 58,895 |
| Geography by Picture - M | 0 | - | 4.14 | 40,414 |
| Geography by Picture - P | 0 | - | 4.24 | 42,391 |
| Geography by Picture - S | 0 | - | 4.38 | 47,002 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 279,834 |
| Flag Maths | 0 | - | 4.64 | 57,738 |
| Satellite Images #1 | 0 | - | 4.46 | 129,267 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,222 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,842 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,838 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,920 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,797 |
| Soccer Team Logos | 0 | - | 4.26 | 373,437 |
| Ultimate Car Logos Quiz | 0 | - | 4.80 | 179,150 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 261,164 |
| Video Game Logos Quiz | 0 | - | 4.40 | 183,606 |
| Movie Logos | 0 | - | 4.33 | 237,718 |
| Brand Logos That Start With M | 0 | - | 4.45 | 62,481 |
| Brand Logos That Start with A | 0 | - | 4.52 | 70,011 |
| History by Picture - A | 0 | - | 4.25 | 45,720 |
| History by Picture - B | 0 | - | 4.40 | 48,868 |
| History by Picture - C | 0 | - | 4.36 | 54,393 |
| History by Picture - F | 0 | - | 4.35 | 37,820 |
| History by Picture - G | 0 | - | 4.40 | 42,079 |
| History by Picture - D | 0 | - | 4.29 | 44,251 |
| History by Picture - E | 0 | - | 4.27 | 43,858 |
| History by Picture - H | 0 | - | 4.37 | 36,736 |
| History by Picture - K | 0 | - | 4.35 | 33,309 |
| History by Picture - M | 0 | - | 4.17 | 36,101 |
| History by Picture - N | 0 | - | 4.40 | 41,196 |
| History by Picture - O | 0 | - | 4.39 | 36,259 |
| History by Picture - T | 0 | - | 4.20 | 33,268 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 57,150 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 103,464 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,230 |
| Brand Logos Quiz #1 | 0 | - | 4.82 | 2,416,486 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,902 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,120 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 268,641 |
| Foods by Picture | 0 | - | 3.81 | 225,922 |
| Flowers by Picture | 0 | - | 4.46 | 105,557 |
| Junk Foods by Picture | 0 | - | 3.69 | 96,269 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,676 |
| Christmas by Picture | 0 | - | 4.25 | 28,144 |
| Hats by Picture | 0 | - | 4.21 | 17,948 |
| Weapons by Picture | 0 | - | 4.13 | 21,018 |
| Cars by Picture | 0 | - | 3.89 | 41,383 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,282 |
| Authors by Picture | 0 | - | 4.48 | 25,502 |
| Plants by Picture | 0 | - | 4.24 | 14,411 |
| Fruit and Vegetable Emojis | 0 | - | 4.42 | 80,043 |
| WWII Figures by Picture | 0 | - | 4.89 | 65,013 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 55,584 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,612 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 65,795 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 58,745 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,413 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,303 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,028 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,067 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,495 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,137 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 165,034 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,293 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,329 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 51,101 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 71,563 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.13 | 79,270 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 72,244 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 95,075 |
| Women in History by Picture | 0 | - | 4.25 | 25,875 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 46,081 |
| Famous Foreheads #2 | 0 | - | 3.17 | 15,744 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 238,932 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 158,837 |
| Name that Historical Figure #6 | 0 | - | 4.26 | 93,086 |
| Musicians by Picture #1 | 0 | - | 4.39 | 108,313 |
| Musicians by Picture #2 | 0 | - | 4.29 | 76,114 |
| Musicians by Picture #4 | 0 | - | 4.07 | 64,666 |
| Musicians by Picture #3 | 0 | - | 4.10 | 58,804 |
| Geography by Picture - E | 0 | - | 3.55 | 47,345 |
| Landforms by Picture | 0 | - | 4.31 | 20,645 |
| Geography by Picture - I | 0 | - | 4.00 | 39,389 |
| Geography by Picture - O | 0 | - | 4.01 | 28,107 |
| Emoji Flags | 0 | - | 4.35 | 43,991 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.67 | 37,748 |
| Languages by Combined Flags | 0 | - | 4.54 | 99,753 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,352 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 66,214 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,524 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,768 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 394,050 |
| Airline Logos | 0 | - | 4.45 | 140,484 |
| Fast Food Logos Quiz | 0 | - | 4.44 | 247,958 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 158,669 |
| Brand Logos That Start With S | 0 | - | 4.37 | 57,350 |
| Brand Logos That Start With B | 0 | - | 4.38 | 59,779 |
| Brand Logos That Start With D | 0 | - | 4.37 | 61,322 |
| Brand Logos That Start With L | 0 | - | 4.39 | 60,877 |
| Brand Logos That Start With C | 0 | - | 4.17 | 49,477 |
| History by Picture - I | 0 | - | 4.26 | 26,173 |
| History by Picture - J | 0 | - | 4.18 | 26,689 |
| History by Picture - L | 0 | - | 4.18 | 30,729 |
| History by Picture - P | 0 | - | 4.08 | 25,255 |
| History by Picture - Q | 0 | - | 4.03 | 22,049 |
| History by Picture - R | 0 | - | 4.13 | 26,808 |
| History by Picture - S | 0 | - | 4.14 | 27,745 |
| History by Picture - U | 0 | - | 4.24 | 25,085 |
| History by Picture - V | 0 | - | 4.30 | 25,058 |
