The Treachstone John Doe skin has quickly become one of the most talked-about rewards in Forsaken, thanks to its eerie design and its crossover origins from The Battle Bricks universe. Unlike basic cosmetic drops, this skin isn’t something you can simply buy or unlock through normal progression — it requires completing a special set of tasks tied to the Forsaken × TBB collaboration event. Many players are confused by mixed information online, so this guide breaks everything down clearly and step-by-step. In this article, you’ll learn exactly what the Treachstone John Doe skin is, how the collab works, which chapter badge you actually need, and the full method to unlock it as fast as possible. If you’re trying to add one of the rarest and most mysterious skins to your Forsaken collection, this walkthrough will help you get it without missing any hidden requirements.
- What it is: A John Doe killer skin for forsaken based on the boss “Treachstone” from The Battle Bricks (TBB) collab. It has custom assets (render, chase theme credited to Key After Key).
- Status: Treachstone John Doe has been announced as collab content and shown in previews, but community posts also report delays and staggered releases.
How To Get TREACHSTONE John Doe Skin – Step by Step
- Open The Battle Bricks (TBB) on Roblox and check which chapter badges you can currently work on (look for Tumore / Utopia chapter names in the TBB experience). (Videos and guides show the chapter names in the TBB UI.)
- Complete the required chapter mode (community guides advise doing the Tumore challenge or beating the specified chapter). If community videos mention Tumore mode specifically, follow their Tumore strategies (see next section).
- Confirm the badge/flag appears on your TBB profile (or the badge list). The skin becomes redeemable in Forsaken once those Battle Bricks progress flags are detected.
- Open Forsaken and check the collab / rewards / redeem section (or the skin shop/milestones). If the badge linked is complete, the Treachstone John Doe skin should be available to claim or unlock according to the collab rules.
- If it’s not available, watch official dev notes / update posts (or the TBB dev channels) — community reports indicate the skin has been delayed at times.
How to Enter Tumor Mode for the Treachstone John Doe Skin
Although Tumor Mode isn’t officially released yet, players have found a simple glitch that lets you access it early. Follow the steps below exactly as shown in the video:
Step 1: Rejoin the Game
Start by leaving the experience and joining back again. Tumor Mode won’t appear on the main menu by default, so a fresh load is required.
Step 2: Spam the Cog Button While Loading
As soon as the game begins loading:
- Rapidly spam-click the cog (settings) icon.
This needs to be done during the loading sequence before everything appears on screen.
Step 3: Tumor Mode Will Unlock
If the glitch works correctly, the game will automatically place you inside Tumor Mode, even though it doesn’t show up normally.
How to Unlock the Treachstone John Doe Skin (According to the Video)
Step 4: Beat Any Star Extreme Stage
The video states you need to clear any Star Extreme difficulty to unlock the Treachstone John Doe skin once the skin officially releases.
Step 5: Ignore the “400,000 Robux” Line
The creator jokes that you need 400k Robux to beat it.
This is satire and not a real requirement.
Practical tips and Tumore mode pointers
- Many YouTube guides demonstrate how to enter and beat Tumore mode and present loadouts and unit upgrades helpful to clear the chapter quickly — follow a recent tutorial matching the current TBB patch version for exact strategies.
- If you struggle with the mode, prioritize: leveling your main units, following recommended builds in the videos, and practicing the wave patterns in earlier chapters before tackling Tumore/Utopia. (Videos give recommended loadouts and pacing.)
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Hi, I’m Anshul Patel, author and co-founder of TigerJek.com. I am a long-time Roblox and mobile gaming enthusiast with 6+ years of gameplay experience. I test every method, build, and strategy personally before writing guides for TigerJek. My goal is to simplify complex games and help players progress faster.
