Idle Heroes Codes October 2025
Imagine waking up in the broken worlds of Idle Heroes, where ancient gods battle against dark demons. While you sleep, your team of summoners keeps collecting loot for you. That’s the magic of this idle RPG, which has already been downloaded by more than 10 million players. It mixes auto-battles, hero upgrades, and endless progress into a free-to-play adventure. But without help, the grind can feel long and tiring.
This is where promo codes come in. These special codes act like keys that unlock free rewards—Gems, Summon Scrolls, and even Cores of Transcendence. With them, you can skip weeks of slow progress and jump straight into high-level battles like Void arenas or guild wars.
We’re sharing the biggest collection of working codes. With these, you could earn over 5,000 Gems and dozens of summons. That’s enough to change your game completely.
It doesn’t matter if you’re just starting out and aiming for your first top-tier hero, or if you’re an experienced player planning a new strategy with Aku Demon. This guide has everything you need. No more wasting time searching random forums—we’ve gathered the codes, tips, and builds in one place.
Ready to grab your rewards and power up your team? Let’s get started.
Active Codes
October is packed with special codes, and they’re a real treat for summoners. These rewards are linked to big events like the Lutz the Lucky anniversary and the Aku Demon updates.
Every code listed here has been double-checked, so you don’t have to worry about fakes.
Most of these codes will expire around Halloween, so make sure you redeem them quickly before they vanish.
Here’s a tip: using these codes can give you the same rewards as about two full days of idle farming—all in one go.
| Code | Rewards | Expiry | Notes |
|---|---|---|---|
| OCT10AKUDEMON | 999 Gems, 5 Treasure Coupons | Oct 31, 2025 | New! Aku event exclusive |
| BARRY10OCT25 | 999 Gems, 5 Cores of Transcendence | Oct 31, 2025 | Arena boost—perfect for PvP |
| GIFT10LUTZ | 1,000 Gems, 10 Heroic Summon Scrolls | Oct 31, 2025 | Lutz anniversary—high pull odds |
| IHAKUDEMON9 | 999 Gems, 5 Treasure Coupons | Oct 31, 2025 | Demon faction synergy |
| AKUDEMON8GIFT | 999 Gems, 5 Treasure Coupons | Oct 31, 2025 | Stack with Aku builds |
| SUMMER8IH | 1,000 Gems, 10 Heroic Summon Scrolls | Oct 31, 2025 | Carryover from summer—still hot |
Lifetime Codes
Some rewards in Idle Heroes never expire. These are called “lifetime” codes, and they stay active for all players. You can unlock them by reaching early milestones in the game, such as completing Campaign Chapter 3-10. The best part is that you can redeem them right from the start to get a big boost.
- IH777 - gives you 40 Heroic Summon Scrolls. This is perfect for early pulls to get starter heroes like Sword Flash Xia.
- IH999 - rewards you with 60 Heroic Summon Scrolls. With this many, you can try your luck at pulling strong A-grade heroes.
- CHAJI888 - provides 777 Diamonds (Gems). These are useful for hero upgrades, guild shops, and other in-game needs.
- COMM2024IH - unlocks 1,000 Gems and 5 Cores of Transcendence. This is a community milestone code with no expiry date.
Pro Tip: Use IH777 as soon as you join your first guild. That way, you can combine the rewards with guild event bonuses for even more value.
These lifetime codes have given out millions of free rewards since the game’s launch, making them a must-claim for every player.
Expired Codes
Not every code lasts forever. Some rewards fade away, and trying to redeem them now is just chasing ghosts. Here’s a quick look at October’s expired codes, along with a few older ones that recently ended.
We’ve archived more than 50 expired codes for history, but the real focus should always be on the active ones. Still, looking back can teach you something. For example, many “moon” themed codes often appear during lunar events, so you can watch for that pattern in the future.
- IH2025MOON – 1,000 Gems, 5 Treasure Coupons (Expired Oct 8). This one ended mid-month.
- IH4UCODE9 – 1,000 Gems, 10 Heroic Summon Scrolls, 5 Cores (Expired Sep 30). Wrapped up with the anniversary event.
- MKX9ANNI25 – 999 Gems, 5 Scrolls (Expired Oct 15). A special crossover with Meta Knights.
- JULYIH7AKU – 800 Gems, 3 Cores (Expired early Oct). A leftover from summer events.
- LUCKYINJULY – 500 Gems (Expired Oct 1). Part of a luck-themed event.
Step-by-Step Redemption Guide
Before you start, You need a Level 10+ account and must be on the global server (CN/EU versions may differ).
- Open the app and make sure it’s updated from Google Play or the App Store.
- Tap your profile icon in the top-left corner to open the main hub.
- Go to Events and then select the Cool Events tab.
- Tap on Exchange Gifts or the Promo Code button.
- Enter the code exactly as given (case-sensitive, no spaces) and confirm.
- Open your Mail and claim the rewards instantly.
- Gems are added automatically, and scrolls will appear in your summon queue.
Codes Not Working? Quick Fixes
Sometimes codes don’t work, but in most cases the problem is on the player’s side. Here are the most common issues and how to fix them.
Check if the code is expired or already used. Each code can only be redeemed once per account. If it’s no longer valid, you’ll need to try a different one.
Watch out for case sensitivity. Codes must be entered exactly as shown. For example, “GIFT10LUTZ” is not the same as “gift10lutz”. To avoid mistakes, it’s best to copy and paste the code.
Some codes are region-locked. They usually work only on global servers. If you’re playing on a CN server, you may need to create a global account to use them.
Another common issue is a typo or fake code. Always check against official sources. If you’re sure the code is real but it still doesn’t work, try clearing your cache or restarting the app.
There may be server downtime. This doesn’t happen often, but if the servers are under maintenance, codes won’t redeem. In that case, check the official Discord or wait a few minutes before trying again.
Hunt for Fresh Codes
New codes often appear without warning. They can drop during flash events, special celebrations, or even through streamer collaborations. To make sure you never miss out, keep an eye on the game’s official channels.
On Twitter/X (@idleheroes), you’ll often see teasers like “Moon code incoming!” before a new drop.
The Idle Heroes Facebook Page is another reliable source. Developers sometimes post bulk codes there, such as the popular GIFT10LUTZ.
Join the official Discord server and check the #code-announcements channel. This is where updates are posted quickly, often before they spread elsewhere.
Don’t forget YouTube (@IdleHeroes). Codes are sometimes revealed during livestreams, so tuning in can give you an edge.
By following these channels, you’ll always be among the first to grab fresh rewards.
Maximize Your Loot: Pro Tips on Rewards
Getting codes is great, but how you use the rewards matters even more. Smart spending can make the difference between slow progress and real power.
If you earn Gems, the best choice is to spend them on Heroic Summons. These give you a chance to pull top-tier heroes, with about a 1 in 200 chance of landing an S-tier.
When it comes to Summon Scrolls, don’t rush to use them right away. Save them for special events where the drop rates are boosted. This way, you’ll get much better value from each scroll.
For Cores of Transcendence, focus on evolving your main carry hero. For example, powering up a hero like Aku Demon to 9-star can completely change your team’s strength and help you dominate battles.
To help you plan, check the Reward ROI Table (based on the in-game economy). It shows which rewards give you the best return for your effort.
| Reward Type | Best Use Case | ROI (vs. $ Buy) | Pro Build Tie-In |
|---|---|---|---|
| Gems (999–1k) | Heroic/Prophet Summons | High (2x pulls) | Fund Aku Demon artifact upgrades |
| Summon Scrolls | Event pulls (e.g., Lutz 10x) | Medium-High | Build shadow team for Void |
| Cores of Trans. | Hero evos (9→10-star) | High | Boost tank like Tix for PvP |
| Treasure Coupons | Rare relic hunts | Medium | Synergy with guild raids |
Strategies
- F2P Path – Save up 5,000 Gems from codes and use them for 10-pulls on anniversary banners. This is the best way to get strong meta heroes like Aku and Asmodel.
- PvP Focus – Spend your Cores on burst damage heroes such as Doom Terminator. Combine this with GIFT10LUTZ scrolls for extra power.
- Guild Grind – Share code tips with your guild in chat. Working together unlocks communal events that give 2x rewards.
- Tier List Snippet – Current rankings: S-Tier = Aku Demon, A-Tier = Lutz, B-Tier = Xia. (Full list available in the guide.
New Player Crash Course: Dominate from Level 1
One of the best things about Idle Heroes is its “set it and forget it” style. Your heroes keep farming EXP, loot, and relics even when you’re offline—up to 12 hours at a time. This makes progress steady, but to really thrive, you need to play smart.
The core mechanics are simple: Summon → Level → Evolve → Transcend. Each step makes your heroes stronger. Keep in mind that offline farming gives you about 70% of normal progress, so logging in daily is important to grab extra bonuses.
For a starter team, focus on balance. Use Xia as your main damage dealer (DPS), Ignis as your tank, and Eloise as your healer. Don’t forget to redeem the IH777 code early on—it gives you 40 Heroic Summon Scrolls, which can help you pull stronger heroes right away.
On Day 1, redeem all the lifetime codes, go on a summon spree, and then join a guild. Guilds are key because they unlock shared events like Void pushes, which give you extra rewards.
Set clear milestones to track your progress. Aim to reach Campaign Chapter 5-1 by the end of your first week. By the end of your first month, with the help of codes and smart play, you should be aiming for an arena rank around 500.
Frequently Asked Questions
1. Are codes server-specific? - Yes. Most codes are for the global servers, which is where most players are. CN and EU servers are separate, and codes rarely work across them. If you want English support, stick to global.
2. Can I stack multiple codes? - Yes, you can use more than one code. However, you can only redeem them one at a time. There are no daily limits, but each account can only use a code once.
3. What’s the maximum Gems from October codes? - If you redeem all the active and lifetime codes, you can get around 5,000 Gems. That’s about the same value as a one-week VIP subscription.
4. How do I spot fake codes? - Only trust codes shared on official social channels. If a code claims to give “unlimited” rewards, it’s fake bait.
5. Do codes work on emulators? - Yes. Platforms like BlueStacks mirror the mobile version perfectly, so codes work the same way.
6. What’s coming in November? - Developers have teased Void Rift events. Keep an eye on Twitter/X for early leaks.
7. Which hero should I focus on with codes? - The best choice is Aku Demon. Many codes are timed with his banner, giving you about a 20% pull rate.
8. Can I refund a bad pull? - No, pulls can’t be refunded. However, some events include pity systems that guarantee rewards after about 50 summons.
9. Are there differences between iOS and Android? - No. Codes work the same on both platforms since they connect to the same servers.
Official Links for Idle Heroes
- Official Website: https://ih.dhgames.com/ – Main hub for game info, downloads, and top-up store.
- Facebook: https://www.facebook.com/Idleheroes/ – Regular code drops, events, and community announcements.
- Twitter/X: https://twitter.com/idleheroes – Quick updates, code teases, and developer interactions.
- Instagram: https://www.instagram.com/idleheroesofficial/ – Visual content, hero spotlights, and behind-the-scenes.
- YouTube: https://www.youtube.com/@IdleHeroes – Trailers, tutorials, and live streams for gameplay tips.
- Discord: https://discord.com/invite/idleheroes – Official server for community discussions, code sharing, and support.
- Google Play Store: https://play.google.com/store/apps/details?id=com.droidhang.ad – Android download and updates.
- Apple App Store: https://apps.apple.com/us/app/idle-heroes-idle-games/id1153461915 – iOS download and updates.
- Official Top-Up Store: https://xsolla-payment.dhgames.com/ – In-game purchases with developer-backed promotions.
Join the Summoners: Conclusion & Next Steps
You now have the codes, the tips, and the strategies to turn Idle Heroes from a slow grind into a path to glory. With up to 5,000 Gems waiting to be claimed, you can evolve your dream team and rise through the arenas while your rivals fall behind.
And the journey doesn’t stop here. November is already teasing the arrival of the “Witch’s Void” events, which promise even bigger rewards and exciting new challenges. Stay tuned, because the best is yet to come.
What to do next:
Download the game, redeem the codes using our guide, and share your best pulls in the comments. If you haven’t subscribed yet, hit that button to get instant alerts for new codes and guides—including crossovers like our AFK Arena event.
We want to hear from you. Who’s the MVP of your squad? Share your pick below, and let’s keep building stronger empires together.
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