Subterra codes for October 2026

Digging through Subterra’s tunnels gets a lot easier with a few free rewards in your pocket. This list of Subterra codes covers every redeem code that still works, along with the ones that have already expired. Redeem them for Chrono Shards, TNT blocks, EXP boosts, and a couple of rare potions before you head underground.

All Active Subterra codes

25KMEMBERS: 280 Chrono Shards (LATEST)
UPDATE1.4.50: 280 Chrono Shards (LATEST))
1YEAR: Chrono Shards
FEATURED: Chrono Shards
CRASHFIX?: 280 chrono shards
LUNAREVENTS: 280 chrono shards
8KMEMBERS: 280 chrono shards
UPDATE1.3: 140 chrono shards
3MVISITS: 280 chrono shards
BETTERTOGETHER: 280 chrono shards, 10k gold, and double EXP for 30 minutes
6KMEMBERS: 280 chrono shards
BETTERSTORAGE: 280 chrono shards and 10k gold
100KFAVS: 140 chrono shards and double EXP for 30 minutes
PATCH104: double EXP for one hour
HOTFIX102: 280 chrono shards and one frozen key
MAJORUPDATE: 420 chrono shards
20KLIKES: 420 chrono shards
2MVISITS: 420 chrono shards

Interested in getting more free rewards in similar games? Check out our code guides for:

Expired Subterra codes

How to redeem Subterra codes?

Redeeming codes in Subterra only takes a few seconds once you know where to look. Here’s how:

Launch Subterra on Roblox and load into the main lobby.
Walk over to the Codes NPC near the spawn gate.
Step into the interaction circle surrounding the NPC.
Type or paste a working code into the text box.
Click Claim Code to collect your reward instantly.

Subterra codes not working? Check out the reasons

A failed redemption almost always comes down to one of these issues.

Typos: Codes are case sensitive, so even one wrong letter blocks the redemption.
Extra spaces: A stray space before or after the code stops it from working.
Already claimed: Each code can only be redeemed once per Roblox account.
Expired code: Older codes get retired once the developer rotates the list.
Server delay: Brand new codes sometimes take a moment to register on the server.
Wrong game version: Make sure you are inside World Fighters and not a similarly named clone.

How to get more Subterra codes?

New Subterra codes usually appear around big updates, community milestones, and the occasional bug fix apology. The official Subterra Discord server is the fastest place to catch them, since Polyworks Studio often posts codes there before anywhere else. Following the Polyworks Studio group on Roblox is another simple way to stay in the loop.

We also recommend bookmarking this page. Our team rechecks Subterra codes regularly and updates the list as soon as new ones drop or old ones stop working.

What is Subterra on Roblox?

Subterra is a 2.5D mining and exploration game on Roblox, built by Polyworks Studio. It clearly takes inspiration from Terraria and Minecraft, sending players underground to dig for ore, gold, and rarer materials. As you go deeper, you can upgrade your pickaxe and backpack to survive tougher layers.

Mining is only part of the appeal. Buried structures hide lootable chests, monsters guard the richest areas, and unlockable power-ups add a bit of personal strategy to every run. There’s also a light card system built around Chrono Shards, which turns your loot into permanent progression boosts.

What are Subterra codes?

Subterra codes are short text rewards that developer Polyworks Studio releases to celebrate updates, community milestones, and follower counts. Entering one instantly adds items to your inventory. Depending on the code, you might pick up Chrono Shards, gold, keys, TNT blocks, or a temporary EXP multiplier that speeds up your early progress.

Why Chrono Shards Matter in Subterra?

Chrono Shards are one of the most useful rewards you can pull from Subterra codes. You can trade them in for cards that improve your mining efficiency, inventory space, and general progression. Stacking a handful of free Chrono Shards early on can genuinely speed up your run through Subterra’s deeper, more dangerous layers.