Last updated: July 2026
Into the Backrooms TD Tier List
Updated Tier Lists for Into the Backrooms TD units, Trading values, and current meta. Rankings for PvE and Trading on Game ID 123446017566246.
Tier List Hub
This wiki covers Into the Backrooms TD (Roblox Game ID 123446017566246) by the Backrooms Tower Defense group — not Backroom Tower Defense (10498602208), not [TRADE] Backrooms Tower Defense (17480843538), and not The House TD. Always verify you are in the correct experience before redeeming Codes or Trading.
Balance patches shift the Into the Backrooms TD meta constantly. Our Tier Lists separate combat performance from Trading demand because a unit can be mediocre in levels yet highly traded — or dominate PvE while holding low market value.
Use Units Tier List for wave-clear power, Trading Value Tier List for market demand, and Meta Rankings for hard mode and co-op picks on Game ID 123446017566246.
How We Rank Units
PvE tiers weigh DPS, crowd control, range, upgrade efficiency, and ability uptime across Class 1–4 difficulties. Trading tiers use community demand, rarity, craft exclusivity, and post-patch hype cycles tracked against our value guide.
Secret units like Mega Rare Tower, Gaming Master, Frowner sit at the top of both lists when abilities align with current Entity types. Legendary staples Async Human, Warrior, Entity 67 anchor most mid-game clears before Secrets enter your roster.
Tier Lists update after major patches — unit reworks, new Entities, and crate pool changes all invalidate old rankings. Cross-check with Team Builder before committing Gems to chase a dropping unit.
When to Trust Tier Lists
Tier Lists guide decisions — they do not replace map knowledge. Level Fun favors AoE; long straight paths reward range. Read All Levels before copying a meta squad blindly.
Trading Tier Lists lag behind patch notes by days as the market adjusts. Use the Trade Calculator for live deal analysis instead of week-old tier snapshots alone.
Beginners should follow the Meta Rankings beginner section before chasing Secret units. A well-upgraded Epic often outperforms a low-level Legendary in early Backrooms floors.
Patch Cycle and Tier Shifts
The mega update reworked approximately 50 units in Into the Backrooms TD, invalidating tier rankings that predated ability changes. Smiler debuff scaling, Partygoer AoE radius, and Entity 67 burst timing all shifted after developer notes — rankings on fan Trello boards lagged weeks behind verified wiki updates for Game ID 123446017566246.
Ranked mode introduction added competitive pressure that pure PvE tier lists miss. Units with fast deployment and reliable wave-1 coverage gain value in time-pressured ranked queues even when standard Class 4 tier lists rank them lower. Cross-reference Hard Mode Walkthrough ranked tips alongside PvE rankings.
We update tier list page titles monthly via pageTitle() so you know ranking recency. After every major patch, revisit all three sub-lists — Units, Trading Values, and Meta — before spending Gems on chase units dropping tiers overnight.
Using Tier Lists With Wiki Tools
Tier lists tell you which units rank highly — Team Builder tells you whether your owned roster actually covers required roles. A team of four S-tier DPS units with zero debuff fails Class 4 bosses regardless of individual tier placement. Build around role coverage first, tier rank second.
Trade Calculator complements Trading tier lists when market hype outpaces base tradeValue scores. Gaming Master (500 value) trades at whale tier partly due to craft exclusivity limiting supply — PvE tier may rank it S- while Trading tier places it alongside Mega Rare Tower (600 value) at the absolute top.
Combine tier research with All Units role descriptions before summoning. Chasing Frowner S-tier placement without Smiler debuff support wastes trade value on a carry that cannot reach full damage potential against Class 4 boss HP pools.
Frequently Asked Questions
Is Into the Backrooms TD the same as Backroom Tower Defense?
No. Into the Backrooms TD is a separate Roblox experience (ID 123446017566246) with Trading, mega-rare tower summoning, and its own Codes. Other Backrooms TD titles use different IDs and reward systems.
Do I need to join a group to use Codes?
The game description states you should join the community to use Codes. Join the Backrooms Tower Defense Roblox group and follow official Discord announcements for new Codes released every 1000 likes.
Is Into the Backrooms TD free on Roblox?
Yes, Into the Backrooms TD is free to play on Roblox with optional game passes. You can earn Coins and Gems through gameplay, Codes, daily rewards, and AFK areas in the lobby.
How often does the Tier List update?
We refresh rankings after major game updates and balance patches. Titles include the current month so you know the recency.
Is Trading value the same as PvE power?
No. Frowner trades high due to Secret rarity even when another unit clears waves faster. Check both tier lists.
What is the best unit in Into the Backrooms TD?
Meta shifts, but Mega Rare Tower and Frowner dominate endgame PvE and Trading respectively when fully upgraded.
Can Common units reach S-tier?
Survivor and Researcher stay relevant in early levels but drop off by mid-game. No Common currently holds S-tier in meta rankings.