Cyberia Codes -

Level	Password	Level	Password
1	RIG_DOCK	16	UNDERGROUND
2	MEET_GIA	17	PIT_STOP
3	SKEET_SHOOT	18	ICE_CREAM
4	BIG_KISS	19	COLD_FEET
5	GOING_UP	20	DOOR_MAN
6	ZAPPED	21	LOCKED_OUT
7	EASY_RIDE	22	SLICEOMATIC
8	BIG_SHOCK	23	NOT_FRIENDS
9	OPEN_OCEAN	24	LISTEN_IN
10	CATWALK	25	GENIUS
11	ISLAND_RUN	26	RED_LIGHT
12	STEAL_PLANE	27	DRUGSTORE
13	VALLEY_RUN	28	UNSAFE_DOOR
14	ROUGH_RIDE	29	GRAFFITI
15	PORT_FLYBY	30	YOU_WITH_ME

Master code:
Enter the NEMROSIM as your name at the beginning of the game.
During the game, press Start to pause and choose "Load" to view the passwords for any level and start at that point. The master code will also allow difficulty level 1 for to be chosen for both Arcade and Puzzle modes. The master code will also allow the game to be uncensored. The is most notable in level 22 (SLICEOMATIC).

Display credits:
Note: The "_" character indicates a space.
Enter TNRUB_SDC_NOILLIB_A or _REEB_OROPPAS_KNIRD at the terminal password screen (where GENIUS is normally entered). The Sony developer's credits will be displayed.