Difficulty Levels

Baby Mode

 * All characters start with an additional max heart
 * Invulnerability Time (after being struck) is increased by 0.75 seconds
 * Pots drop more loot
 * Health pickups drop more frequently
 * All damage is reduced by a quarter heart (down to a minimum of a quarter heart)

Normal Mode

 * Default difficulty settings.

Rage Mode

 * Stronger enemy variants work their way in earlier
 * Rooms generally have more enemies earlier
 * Enemies have more hp
 * Bosses have more hp
 * All damage is increased by a quarter heart