The Mystery Game 156 was available from June 3rd, 2013 until June 10th, 2013. The Mystery Game cost 
15 cash per dart 
. If the player found all 6 regular items, they were rewarded with a bonus 7th item (the Musk Deer).
File:Mystery Game 156 Rewards Revealed.png
| Theme | ||||||
|---|---|---|---|---|---|---|
| Rare | Rare | Uncommon | Uncommon | Common | Common | Bonus |
 Orlov Trotter Horse |
 Tibetan Blue Bear |
 Mini Panda |
 Malayan Peacock |
 Corsac Fox |
 Green Pheasant |
 Musk Deer |
| Re-release | Re-release | Re-release | Re-release | Re-release | Re-release | Re-release |
| |||||