[AB+] The Collector is an unlockable challenge in Alphabirth+, a mod for The Binding of Isaac.

Cauldron
Hoarder
Money = Power

Note: this list does not include characters' default starting items.

Isaac must choose between using pickups traditionally, hoarding them as a way to get extra stat-ups from Hoarder and Money = Power, or absorbing them with Cauldron to gain extra items.

The following is unlocked for completing the [AB+] The Collector challenge: Gebo

Unlock Cain.

• Download Alphabirth+ from the Steam Workshop.