The Binding of Isaac Codexery

Arena

The arena at the end of an online match in Repentance+.

The arena is the closing stage of an online match in The Binding of Isaac: Repentance+, the expansion that brought online multiplayer to Rebirth. At the end of a match, players battle one another in an arena using the items they found during the run, or preset builds.

Quick Facts

Game
The Binding of Isaac: Repentance+ (2024)
Loadout
Items found during the run, or preset builds

Lore & Background

Repentance+ was announced in 2023 and released as an open beta on November 18, 2024, for the game's tenth anniversary. Online multiplayer had long been requested by fans; the earlier expansions had only added local co-op, growing from one extra player in Rebirth to four fully playable characters in Repentance. The expansion also brought item and quality-of-life tweaks, including the much-requested internal item descriptions added to the beta on September 10, 2025.

Reader's Guide

A standalone release of Repentance+ for Nintendo Switch 2, PlayStation 5 and Xbox Series X/S is scheduled for November 19, 2026. Nicalis published the expansion in 2024.

What players say: Player verdict on The Binding of Isaac: Rebirth — Rotten Tweets

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