Super Robot Wars/Z3/Secrets

Quess Paraya and Jagd Doga

1. Have Hathaway Convince her at Stage 37 (Space Route)

2. Have Hathaway Convince her at Stage 46 (Merida Island Route)

3. Have Hathaway Convince her at Stage 56, then defeat her before defeating Char. (Otherwise Amuro will kill her)

4. Quess will appear in Stage 57 as reinforcement.

Daguza Survives

1. Daguza must have 80 Kills before Stage 40 (Space Route) ends or Stage 35 if you choose Mithril or Japan Routes.

2. If you fulfill the requirement, Daguza will remain in your party instead of dying as per canon.

Brylant Custom

1. Kamille must have 80 Kills

2. Four will show up in Brylant Custom in Stage 48 (Merida Island Route), if the requirement is not fulfilled or Merida Island Route is not chosen she appears with a second ReGZ.

Juagg

1. Amuro must have 80 Kills

2. Have Amuro destroy every Juagg in Stage 48 (Merida Island Route)

3. Juagg will become purchasable in D-Trader

Serpent

1. Have Kallen, Trowa, and Quatre convince Wufei at the first half of Stage 21

2. Have Noin and Hilde defeat at least one enemy unit each at the second half of Stage 21

3. Serpent will become purchasable in D-Trader for 200 Z-Chips

Choosing between Asuka and Mari

1. After clearing Stage 46 Japan Route, you are presented with 2 options

2. Choosing 起動実験を行う will cause Asuka to leave permanently and is replaced by Mari

3. Choosing 起動実験を凍結する will keep Asuka in the group

4. Choosing Merida Island Route after Stage 45 will Mari replace Asuka by default