Infinite Health
Enter DCSTUR as a password to give yourself infinite health. Spider-Man no longer can die.
Invulnerability
Enter RUSTCRST as a password to put Spider-Man in a permanent state of invulnerability.
Level Select
Enter XCLSIOR as a password to open the level select menu.
Unlimited Webbing
Enter STRUDL to give yourself unlimited webbing. Spider-Man can swing around town as much as he wants.
Unlock Everything
Enter EEL NATS as a password to unlock everything in the game.