Risk of Rain 2 Message Board  

This means that things like unlocking characters, and probably items, is just a matter of adding some lines of code. Can google for more information.

Make sure to create a backup of your save file before editing, as is good practice.

if you wanna unlock all items and characters, you can edit your user data.

<unlock>Characters.Mercenary</unlock>
<unlock>Characters.Huntress</unlock>
<unlock>Characters.Toolbot</unlock>
<unlock>Characters.Engineer</unlock>
<unlock>Characters.Mage</unlock>
<unlock>Items.Medkit</unlock>
<unlock>Items.PassiveHealing</unlock>
<unlock>Items.BossDamageBonus</unlock>
<unlock>Items.Crowbar</unlock>
<unlock>Items.BounceNearby</unlock>
<unlock>Items.ExtraLife</unlock>
<unlock>Items.EquipmentMagazine</unlock>
<unlock>Items.GoldGat</unlock>
<unlock>Items.Bear</unlock>
<unlock>Items.Hoof</unlock>
<unlock>Items.ShockNearby</unlock>
<unlock>Items.TreasureCache</unlock>
<unlock>Items.SecondarySkillMagazine</unlock>
<unlock>Items.BurnNearby</unlock>
<unlock>Items.DroneBackup</unlock>
<unlock>Items.Clover</unlock>
<unlock>Items.Infusion</unlock>
<unlock>Items.NovaOnHeal</unlock>
<unlock>Items.Lightning</unlock>
<unlock>Items.Meteor</unlock>
<unlock>Items.ElementalRings</unlock>
<unlock>Items.JumpBoost</unlock>
<unlock>Items.Firework</unlock>
<unlock>Items.HealOnCrit</unlock>
<unlock>Items.BFG</unlock>
<unlock>Items.IncreaseHealing</unlock>
<unlock>Items.KillEliteFrenzy</unlock>
<unlock>Items.Scanner</unlock>
<unlock>Items.Talisman</unlock>
<unlock>Items.AutoCastEquipment</unlock>
<unlock>Items.AttackSpeedOnCrit</unlock>
<unlock>Items.WarCryOnMultiKill</unlock>