You can access the chat window if you press ENTER, and from there you can enter one of the codes below for the corresponding effect.

Code	Effect
/exp [amount]	Gain the amount of experience specified
/god	Become invincible
/heal	Heal yourself completely
/item_add [item_id] [amount]	Gain the item specified
/killall	All other ships in the system are destroyed
/money [amount]	Gain the amount of money specified
/pwn	Receive a bunch of money, experience, and skills
/tp [x] [y] or /tp [system name]	Teleport to a different system, or elsewhere within system (system names containing spaces should be typed with underscores: Vis_Cosaden_Alpha)