| Puzzle Type | Caption | Source |
| HTML5 | Adelie Penguin with egg | Wikimedia commons: Samuel Blanc |
| Playtonium | African Penguins | National Geographic : Bruce Dale |
| Playtonium | Cartoon Penguin | Microsoft clipart edited by DLTK's |
| JigZone | Emporer penguins | Microsoft Clip Art Gallery |
| HTML5 | Gentoo Penguin | Wikimedia commons: Samuel Blanc |
| HTML5 | King Penguins | Wikimedia commons: Samuel Blanc |
| Playtonium | Macaroni Penguin | Corel Web Gallery |
| JigZone | Penguins | Microsoft Clip Art Gallery |
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