Need more gems, crates, or freebies in SpongeBob TD? These working codes can give you a nice boost while you build your dream Bikini Bottom defense squad.
SpongeBob Tower Defense turns Bikini Bottom into a full-on Roblox strategy grind, which means every free reward helps. Whether you’re chasing better units, extra summons, or useful boosters, redeeming the latest codes is easily one of the fastest ways to get ahead without wasting time.
Table of contents
Active SpongeBob Tower Defense Codes
These are the latest codes worth testing in July 2026.
Expired SpongeBob TD Codes
These codes are commonly listed as expired:
OPPRISMATIC
SeasonReworkbby
ROADTO200K
IMMANICPRISMATIC
HESBACKWITHTHEMILK
RAFFLESAREBACK
PRISMATICOPWOW
WOWTREASURE
RAREUNITWOW
BIGHANDS
LOVEINTHEAIR
ADMINME
MYGUY
SOOPWOW
PRISMATICPLS
ADMINPRED
GEMGOD
CODECRATEWHEN
MILLIONAIREGEMS
SecretCodeisSecret
Exotic2Prismatic
BFFBACK4EVER
KelpCityisHere
GOODLUCKATTHERIA
How to Redeem SpongeBob Tower Defense Codes
- Launch SpongeBob Tower Defense on Roblox.
- Reach Level 10 first, since codes are locked before that.
- Click the Codes button on the left side of the screen.
- Paste a working code into the Enter Code Here box.
- Press Redeem to claim your rewards.
Why Your SpongeBob TD Codes Might Not Work
- You haven’t reached Level 10 yet.
- The code has expired.
- You entered the code with a typo.
- The code is still listed on an older article but has already been disabled in-game.