You can unlock special redeemable characters from LEGO Games, by filling out a survey form, the link of which is included in-game. The following, listed below, are some I’ve found online.
Ship Unlockables
- The Razor Crest (Mandalorian Ship): ARVALA7
- Resistance I-TS Transport Ship: SHUTTLE
Holiday Special Characters
- C-3PO (Holiday Special): C3PHOHO
- Darth Vader (Holiday Special): WROSHYR
- D-O (Holiday Special): TIPYIPS
- GNK Gonk Droid (Holiday Special): LIFEDAY
- Chewbacca “Itchy” (Holiday Special): WOOKIEE
- Poe Dameron (Holiday Special): KORDOKU
Exclusive LEGO Survey Reward Characters
- Temmin “Snap” Wexley: SKYSAGA
Special Characters
- Aayla Secura: KH7P320
- Admiral Holdo: XV4WND9
- Dengar: OKV7TLR
- Emperor Palpatine (Darth Sidious): SIDIOUS
- Grand Moff Tarkin: 3FCPPVX
- Mister Bones: BAC1CKP
- Nute Gunray: WBFE4GO
- Poggle The Lesser: Z55T8CQ
- Ratts Tyerell: GR2VBXF
- Shaak Ti: VT1LFNH
- Shmi Skywalker: T9LM1QF