You start Oil Empire with a small setup, a slow income stream, and the hope that your next upgrade does not take forever to afford. The game gets more satisfying once your drills, refinery, and production line start moving, but the early grind can feel a little thin.
Oil Empire codes help you grow faster by giving you free Rainbow Packs, equipment rewards, and business boosts. Use the working codes below before you spend more time waiting on oil sales.
Working Oil Empire Codes
Here are the current working Oil Empire codes for June 2026.
- HMLNDR: Two Rainbow Packs
- PRKROBY: Two Rainbow Packs
- JUMPJUMPHAHA: Two Rainbow Packs
- THX500K: Small Solar Panel
Expired Oil Empire Codes
These Oil Empire codes have already been reported as expired, so skip them unless the developer brings one back later.
- SOLARPANEL
- HELLOGOLDEN
- FREEMULTI
- FREELAVA
- NUKENUKENUKE
- THX450K
- TEK19TEK
- HEXHEXHEX
- CODE001
- WELCOMEABUSE
- GLITCHTOTEM
- METEORGG
- ADMINABUSEADMIN
- OBBYOBBYHAHA
- ABUSE18
- FREERAINBOW
- RAINBOWRAINBOW
- SUNDAYABUSE
- THX300K
- TY275K
- SecretCode
- Release
- TY250K
- MAYHEM_SND
- ParkourParkourHAHA
- WOILEMPIRE
- EMPTYMETEOR
- MAYHEM_XX
- THX200
- SUNDAY_STORM
- 96SUNDAY_STORM
- SUNDAY_STORM87
- ABUSE99
- ABUSEIT
- thanks100k
- FixedFixed
- Beta
- APRILFOOLS
- hellotekdev
- hellohex
- 10klikes
How to Redeem Oil Empire Codes
Redeeming codes in Oil Empire only takes a few seconds.
- Open Oil Empire on Roblox.
- Click the Settings cog on the left side of the screen.
- Find the code box in the settings menu.
- Paste one working code into the box.
- Press Claim.
- Repeat the same steps for the next code.
Enter one code at a time. If you paste the whole list into the box, the game will not read it properly.
What Do Oil Empire Codes Give You?
Oil Empire codes usually give rewards that help your tycoon grow faster. Instead of waiting for every upgrade through normal production, codes can hand you items that support your drilling and refinery setup.
Common rewards include:
- Rainbow Packs
- Small Solar Panels
- Drills
- Gas
- Cash-style boosts
- Special equipment
- Event rewards
Rainbow Packs are the main prize in the current working list. They are useful because they can help your production line improve without forcing you to wait through the slowest part of the game.
Best Oil Empire Codes to Redeem First

If you only want to grab the strongest freebies first, use this order:
- HMLNDR
- PRKROBY
- JUMPJUMPHAHA
- THX500K
The first three codes each give two Rainbow Packs, so they should be your first stop. THX500K is still worth redeeming because a Small Solar Panel can support your setup as you grow.
My recommendation is to redeem all four before you start upgrading. It is better to know what free rewards you already have before spending your regular earnings on new equipment.
Why Your Oil Empire Code Is Not Working
Oil Empire codes can fail for small reasons. Before you assume a code is expired, check the easy fixes.
- Copy and paste the code instead of typing it
- Remove extra spaces before or after the code
- Make sure the code is in the Settings code box
- Rejoin the game and try a newer server
- Try a private server if public servers seem behind
- Check that you have not already used the code
- Make sure the code has not moved to the expired list
Roblox servers do not always update at the same time. If a fresh code fails, leaving and joining a new server is usually the first fix worth trying.
How to Use Oil Empire Rewards Smartly
The biggest mistake is redeeming codes, opening rewards, and then spending randomly. Oil Empire is a tycoon game, so every upgrade should move your production forward.
A better order looks like this:
- Redeem all working codes.
- Open or claim your reward items.
- Check what your current setup is missing.
- Upgrade drills if production feels slow.
- Improve refinery-related pieces if oil conversion is the bottleneck.
- Save special equipment until you know where it fits best.
If you get production items, place them where they support your main earning loop. A flashy reward is less useful if it sits away from the part of your setup that actually makes money.
Where to Find More Oil Empire Codes
New Oil Empire codes usually appear around updates, like milestones, event drops, bug fixes, and community rewards.
Good places to check include:
- The official Oil Empire Discord
- The My Pump Game Roblox group
- The Roblox game description
- Developer announcements
- Update logs
- Community posts after patches
Milestone codes tend to last longer than bug-fix codes. If a code sounds like it was released for a short event or server issue, redeem it first.
Redeem Before You Drill Again
Oil Empire codes are most useful before you start spending money on upgrades. Claim the active codes, check what rewards you received, and put those items toward the part of your business that slows you down most. A few free Rainbow Packs can make the early tycoon grind feel much smoother.