On this page
- Active Geometry Defense codes (7)
- Codes that may still work
- How to redeem Geometry Defense codes
- Code history: how long codes last
- Expired Geometry Defense codes
- Full expired codes archive
- Geometry Defense codes not working?
- Official Geometry Defense channels
- FAQs
- Are there new Geometry Defense codes in October 2026?
- Are Geometry Defense codes case sensitive?
- What do Geometry Defense codes give?
- Does the DuoGames group matter for codes?
- Similar Roblox codes you can check next
Last checked October 5, 2026. We recheck this list every week and log when each code was added and when it expired.
- Seven codes work right now: twentykay, 15thousand, 10klikesssss, cube, hyperdu and 2 more.
- They give 50 to 120 G-Coins or Coins each.
- Load into the lobby and open the codes menu from the lobby interface.
- Seven more codes, such as fivekay and ggs1klikes, have mixed reports.
Active Geometry Defense codes (7)
| Code | Reward | Added | Status |
|---|---|---|---|
twentykay | 120 G-Coins | Oct 11, 2023 | Working |
15thousand | 100 Coins | May 19, 2023 | Working |
10klikesssss | 110 Coins | Mar 18, 2023 | Working |
cube | 100 Coins | Mar 14, 2023 | Working |
hyperdu | 50 Coins | Mar 14, 2023 | Working |
gdf | 75 Coins | Feb 17, 2023 | Working |
epic1mvisits | 100 Coins | Feb 7, 2023 | Working |
Codes that may still work
Reports on these are mixed: they may still work or may have expired. They cost nothing to try.
| Code | Reward | Status |
|---|---|---|
fivekay | 100 G-Coins | Possibly expired |
2500likes | 100 G-Coins | Possibly expired |
undead_yt | 50 G-Coins | Possibly expired |
solo_hans | 25 G-Coins | Possibly expired |
ggs1klikes | 100 G-Coins | Possibly expired |
gtd | Free G-Coins | Possibly expired |
3mvisits | 103 G-Coins | Possibly expired |
Codes are case sensitive, so copy and paste them instead of typing. The game description says being in the DuoGames group boosts match rewards by 10%, but it does not say codes need it.
How to redeem Geometry Defense codes
- Open Geometry Defense on Roblox.
- Load into the lobby and wait for the main buttons to appear.
- Open the codes menu from the lobby interface.
- Paste a code exactly as shown in the table above.
Code history: how long codes last
| When | Codes | How long they lasted |
|---|---|---|
| Oct 11, 2023 | twentykay | Active |
| May 19, 2023 | 15thousand | Active |
| Mar 18, 2023 | 10klikesssss | Active |
| Mar 14, 2023 | cube, hyperdu | Active |
| Mar 14, 2023 | undead_yt, solo_hans | Disputed, see above |
| Feb 17, 2023 | gdf | Active |
Source: TheTechBasket code tracking, October 5 to October 5, 2026.
Expired Geometry Defense codes
| Code | Reward or note | Expired |
|---|---|---|
| None yet | No expired code has a known end date. Search the archive below. |
Full expired codes archive
5kvisitsyay750likes1250nice1500likesbefbdayCharmchocodiscord2eventsoongeometrymasgrindhundredlikeandfavouriteripspacetenkaythanksfor10kfavswow500wow
Geometry Defense codes not working?
- Typed instead of pasted. Codes are case sensitive. Copy and paste them.
- The code really expired. Search the archive above.
- A disputed code. The codes under "Codes that may still work" have mixed reports, so they may be dead.
Official Geometry Defense channels
- Roblox game: Geometry Defense on Roblox.
- Roblox group: DuoGames 2, the group that publishes the game.
- DuoGames group: DuoGames, linked in the game description, where membership boosts match rewards by 10%.
- Discord: Geometry Defense Discord.
FAQs
Are there new Geometry Defense codes in October 2026?
We cannot confirm one. No code is dated to this month.
Are Geometry Defense codes case sensitive?
Yes. Copy and paste each code exactly as shown.
What do Geometry Defense codes give?
G-Coins or Coins. The working codes give 50 to 120 each.
Does the DuoGames group matter for codes?
The game description says being in the DuoGames group boosts rewards from matches by 10%. It does not mention codes.
Similar Roblox codes you can check next
Want more games? Open the full Roblox codes index.
Amit loves new tech and apps that make life easier, he writes about apps, games and useful websites on TheTechBasket.
