Isaac's Brimstone in TF2

Isaac's Brimstone in TF2

A solo, offline bot-arena vertical slice for Team Fortress 2. Grab the Brimstone pickup and your active weapon transforms into Isaac's signature charge-up blood laser — charge it, then unleash a sweeping beam.

What makes it special: the Brimstone sprite and sound are read live from your own installed copy of The Binding of Isaac: Rebirth. Nothing from Isaac is bundled or redistributed — a tiny bundled setup step locates your install on first Play and prepares the real assets. If Isaac isn't installed, the mashup still loads and tells you so in-game.

How to play

• Own Team Fortress 2 and The Binding of Isaac: Rebirth.
• Press Play — Melty installs the files and runs the one-time asset setup for you.
• You spawn into a solo bot arena. Walk over the Brimstone item to arm the blood laser. Hold fire to charge, release to fire.

Notes

• Runs offline on a local listen server with VAC off (-insecure, sv_lan 1) — single-player showcase only.
• This is a fan project, not affiliated with or endorsed by Valve or Nicalis.

Credits & license

• Built by OreateAI.
• The Binding of Isaac: Rebirth © Edmund McMillen & Nicalis, Inc. — assets read from the player's own copy, never redistributed.
• Team Fortress 2 © Valve Corporation.
• Code: MIT. Original assets we made: CC-BY-4.0. Remixing welcome — keep attribution. Third-party game content is not covered by these licenses.