After completing floor 60 you will find Mr. Pig on the right side of your main hub area next to Tree Trunks. He has 5 quests for you to complete.
1. Scrambled Eggs: Collect and return an Over Easy. This is a pretty common sub-weapon and is dropped by bird enemies (Reward: Egg Drop).
2. Feartastic Journey: Complete floor 70 (Reward: Imagination Coupon).
3. Typecasting: Collect and return a Magic Wand. This is a pretty common sub-weapon and is dropped by pig enemies (Reward: Cherry Blossom Wand).
4. Sweet Silence: Defeat 50 Birds (Reward: Almighty Key token).
5. Strategy Guide: Collect and return a Mind Games token. This is an uncommon token that can usually be dropped by Magic Man (Reward: 200 treasures).