Mars
ItemRepentanceUnlocked
passiveGame ID 593★★★★
How do you unlock Mars?
Verified starting unlockSource data confirms that no unlock is required.
Dash by double-tapping the movement key, becoming invulnerable and damaging enemies. There's a short cooldown before Isaac can dash again. [Repentance+] Knocks away nearby enemies and briefly grants i-frames after dashing.
Available from the start
No unlock needed — this is available in every new save file.
What unlocking Mars leads to
Nothing depends on this yet.
Source: bindingofisaacrebirth.wiki.gg
Imported 2026-09-13