Subterra is a Terraria and Minecraft-inspired mining adventure on Roblox where you dig deep, forge powerful gear, and battle monsters underground. Free codes from developer Polyworks Studio hand out Chrono Shards, Gold, EXP boosts, and Frozen Keys, all of which make your mining runs considerably more rewarding without spending a single Robux.
All Latest Subterra Codes — July 2026
| Code | Reward |
| UPDATE | In-Game Rewards |
| 100KMEMBERS | In-Game Rewards |
| FEATURED | 32 TNT Blocks1 Hour of Double Exp |
| 1YEAR | 1400 Chrono Shards |
| 30KLIKES | 2 Hours of Double Experience |
Expired Subterra Codes
These codes no longer work. Do not waste time entering them:
CRASHFIX?, LUNAREVENTS, UPDATE1.3, 8KMEMBERS, 3MVISITS, 2MVISITS 10KFAVS | 100KSPELUNKERS | HOTFIX2 | 180FAVS | ERRORED | 1234FAVS | 10KSPELUNKERS | HOTFIX
How to Redeem Subterra Codes — Step by Step
Subterra handles code redemption a little differently from most Roblox games. Rather than using an in-game menu, you redeem codes through an NPC in the game world. Here is the full process:
Step 1 — Launch Subterra on Roblox
Open Roblox and load into Subterra.
Step 2 — Find the Codes NPC
Walk to the Codes NPC, located to the right of the gate near your spawn point.
Step 3 — Enter your code
Copy and paste a working code from the list above into the text box at the NPC.
Step 4 — Hit Claim Code
Click the Claim Code button to confirm and collect your rewards instantly.
Tip: If a code is not working, try restarting the game or checking your network connection. Copy-pasting directly from this list rather than typing manually also avoids any spelling errors.
What Do Subterra Codes Reward You With?
Polyworks Studio releases codes to celebrate game milestones, compensate players for bugs, and reward the community. The rewards from codes give you a meaningful head start in the game:
Chrono Shards are the primary currency in Subterra, used to progress your gear and upgrades. Stacking up Shards through codes early gives you more flexibility in how you build your character.
Gold feeds directly into crafting and purchases within the game, helping you forge better equipment and prepare for deeper mining runs.
Double EXP boosts let you level up significantly faster during their active window, making them best used during active play sessions rather than sitting idle.
Frozen Keys unlock special content and are rarer than the other rewards, making codes like HOTFIX102 particularly worth redeeming.
How to Get More Subterra Codes
New codes tend to drop alongside game updates, milestone celebrations, and occasionally as apologies from the developer when bugs cause issues. There are three reliable ways to stay ahead of new code releases:
Bookmark this page for the most convenient option, as this list updates whenever new codes go live.
Join the official Subterra Discord server, where Polyworks Studio posts codes in the game-announcements channel alongside patch notes and community updates.
Join the Polyworks Studio community on Roblox to catch their latest posts and announcements directly on the platform.
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