Super Robot Wars/2G/Secrets
"Player Shoots Down Getter Q" Route Secrets
Four
During scenario 10 "Marionette Four," convince Four with Kamille.
"Getter Q and Michiru Join" Route Secrets
Getter Q and Michiru
During scenario 4 "City of Schemes," don't shoot down Getter Q (if the enemy shoots her down, she will still join after the scenario ends.)
Gunblaster and Juka
Received automatically after scenario 6 "Encounter at Side 6."
Zoloat
Received automatically after scenario 17 "Fierce Struggle at the Jupitris."
Elmeth
During scenario 7 "A Cosmic Glow," defeat Char, then convince Lalah with Amuro.
Lalah
During scenario 7 "A Cosmic Glow", defeat Char, then convince Lalah. Then, during scenario 16 "To Space..." have Amuro battle Char.
Both Routes Secrets
Get a Second V Gundam
During scenario 3 "The Shrike Team's Fierce Struggle," don't let Oliver be shot down. Alternatively, clear scenario 3 "Rescuing the Z Gundam" after the 7th turn has finished.
V2 Assault Buster
After acquiring the V2 Gundam, fully upgrade the unit and it will change into the V2 Assault Buster.
Kochoki
During scenario 8 "Destroy the Enemy Fortress," reduce Kochoki's HP to below 33%, then convince her with any Getter Robo pilot.
Minerva X
Don't recruit Kochoki. Then, during scenario 9 "M'Quve's Trap," convince Minerva X with Koji.
Qubeley Mk-II
During scenario 15 "Scirocco's Shadow," convince Ple with Judau. Then, during scenario 19 "The Solar Ray Activates," convince Ple twice with Judau.
Valsione and Lüne
During scenario 21 "Time, Be Still," leave Masaki on the map until the very last turn (turn 17.)
Sekiha Tenkyoken
During scenario 22 "Entering the Atmosphere," choose to the Guyana Highlands. Then, during scenario 23b "Battle to the Death with Master Asia" reduce Master Gundam's HP to below 60%. After this, have Domon battle Master Asia three times, then shoot down the Master Gundam.