Looking to power up your gear and mine deeper in Roblox Subterra? These codes grant Chrono Shards, Gold, EXP boosts, and rare Keys—perfect for gearing up before facing underground monsters and hazards. Whether you’re new to this Terraria-style sandbox game or a seasoned spelunker, these freebies are a must-claim.
All Active Subterra Codes October 2025
Redeem the following codes directly in-game via the Codes NPC near spawn to claim rewards. All codes are case-sensitive—copy them exactly as shown.
| Code | Reward |
|---|---|
| CRASHFIX? | 280 Chrono Shards (NEW) |
| LUNAREVENTS | 280 Chrono Shards |
| 8KMEMBERS | 280 Chrono Shards |
| UPDATE1.3 | 140 Chrono Shards |
| 3MVISITS | 280 Chrono Shards |
| PATCH104 | 2x EXP for 1 hour |
| HOTFIX102 | 280 Chrono Shards and 1 Frozen Key |
| 20KLIKES | 420 Chrono Shards |
| 5KMEMBERS | 420 Chrono Shards |
| 10KLIKES | 420 Chrono Shards |
| 1MVISITS | 420 Chrono Shards |
| 3KMEMBERS | 420 Chrono Shards |
| 400KSPELUNKERS | 420 Chrono Shards |
| 40KFAVS | 560 Chrono Shards |
| 8KLIKES | 280 Chrono Shards and 1 Hour of Double EXP |
| HOTFIX2 | 140 Chrono Shards and 2 Hours of Double EXP |
| 100KSPELUNKERS | 1 Gold Key, 1 Iron Key, 2,000 Gold, 420 Chrono Shards, and 1 Hour EXP Boost |
| 10KFAVS | 1 Gold Key, 1 Iron Key, 1,000 Gold, 420 Chrono Shards |
| RELEASE | 500 Gold, 140 Chrono Shards, and 1 Hour of Double EXP |
Expired Codes
These codes have stopped working and cannot be redeemed:
- 100KFAVS
- BETTERSTORAGE
- 6KMEMBERS
- BETTERTOGETHER
- MAJORUPDATE
- 2MVISITS
- 180FAVS
- ERRORED
- HOTFIX
- 10KSPELUNKERS
- 1234FAVS
What is Subterra?
Subterra is a 2.5D mining sandbox adventure on Roblox, combining the resource-gathering thrills of Terraria with the style of Minecraft. You’ll mine rare ores, battle monsters in dangerous caves, and upgrade tools and gear to delve deeper underground. Chrono Shards are a key currency, used to unlock high-tier upgrades and progress efficiently.
How to Redeem Codes in Subterra
Follow these steps in-game:
- Launch Subterra in Roblox.
- Walk to the Codes NPC (often near the gate or marked area).
- Enter the code into the textbox.
- Click Claim Code.
- Enjoy your rewards instantly!
If a code doesn’t work, try switching servers—it may require a newer game build.
When Are New Codes Released?
Polyworks Studio typically drops new codes during:
- Major patches and content updates
- Milestone achievements (likes, visits, favorites)
- Bug fixes and server maintenance
- Seasonal events (like Halloween or Lunar updates)
Follow their official Discord or Trello board for real-time patch notes and hints at upcoming codes.
Troubleshooting Tips for Broken Codes
- Check spelling and case sensitivity
- Try a fresh server if redemption fails
- Use copy-paste to avoid typos
- Claim early—some codes expire within days
Whether you’re mining for loot or fighting off cave-dwelling enemies, these Subterra codes offer a vital edge. Bookmark this page and check back frequently—new updates often bring new codes.
Tip: You can also bookmark our own Fdaytalk Gaming page, where we regularly share all working codes and guides for Subterra and many other games. It’s an easy way to stay updated without missing new drops.
