Tail's Adventure: SEGA Game Gear

Late 199x or early 2000s save.

EFA5
C868
5594
7C04

I knew I had several passwords somewhere. Inside the manual. Quite far in the game.

Found two more password saves.

Chuck Rock: SEGA Game Gear

Early(?) 90s

Round 2: 7G09M

Round 3: NN6E3

Round 4: 84AKC

Choplifter 3: SEGA Game Gear

90s

Sector 2 lvl 1: YLDNXJS

sector 3 lvl 1: DSNVSDK

Sector 4 lvl 1: HSDNJND

Chuck Rock and Choplifter 3 store the passwords in the ROM as plaintext. Some non standard ones.

Chuck Rock
BBBBB: Unknown/invalid(password for round 1?)

2FLAF: Invincibility and press start to skip to next level. Far more useful. :3

Choplifter 3
Last valid password is Sector 5 lvl 3: CPKCXMN

ZZZZZZB: nothing

RTDFKLN: nothing

0xFFFFFFFFFFFFFFFF: removed completely

LTSFBMB: nothing