States
Teleportitis
When the player has this state they will randomly teleport around the level.
Teleport control
When a random teleport occurs the player can choose where to teleport in a certain radius based on intelligence.
Polymorphitis
When the player has this state they will randomly polymorph into different monsters.
Polymorph control
When a random polymorph occurs the player can choose want they want to polymorph into. The power of the new form is limited by intelligence.
Diseases
There are multiple diseases in IVAN. Diseases
Levitation
This state causes the player to float in the air.
ESP
This state allows the player to see nearby intelligent monsters through walls, smoke and other map objects that would normally hinder vision.
Infravision
Can see warm creatures in the dark or when they are invisible.
Invisible
Monsters can't see you, unless the monster has infravision and/or stands next to you.
Burden states
These are not techically states, as they are more fundamental. The player may become burdened, stressed, or overloaded. Moving around when burdened or stressed exercises leg strength, increasing the ability to carry more. A player may become overloaded usually as a result of losing a lot of strength, causing him to be unable to move unless he drops most of carried equipment.