Finish chapter 0.

Finish chapter 1.

Finish chapter 2.

Finish chapter 3.

Finish chapter 4.

Finish chapter 5.

Undo the d-mail in chapter 6.

Reach Suzuha's ending.

Undo the d-mail in chapter 7.

Reach Faris's ending.

Undo the d-mail in chapter 8.

Reach Luka's ending.

Finish chapter 9.

Undo the d-mail in chapter 9.

Reach Mayuri's ending.

Reach Kurisu's ending.

Finish chapter 11.

Open Clear List and have all 6 ending unlocked.

Open Clear List and have all 105 CGs unlocked.

Open Clear List and have all 224 tips unlocked.

Open Movie Library and have all 12 videos unlocked.

Receive 2x Upa wallpapers in the attachment sent by Mayuri's mail - Chapter 1.

Learn about Luka's relationship with his sister - Chapter 2.

Learn why Mayuri is passionate about cosplay - Chapter 5.

Open all Froggy wallpapers - Chapter 3 ~ 7. (Chapter 7 in One Session)

Receive a song from a chaotic head - Chapter 5.

Receive an unusual proposition from Suzuha - Chapter 4.

Receive all 13 RaiNet episode summaries - Chapter 1 ~ 4.

Made friends with Kurisu via email - Chapter 4.

Asked by Kurisu to buy cup noodles twice in a row but she's inconsistent about which one is a better choice - Chapter 4.

Offered tea by Faris - Chapter 4.

Receive 3 wallpapers of characters from a chaotic head - Chapter 1 ~ 5.