Anime Champions Simulator (ACS) codes for September 2025 provide 30+ active codes that grant free diamonds, cosmic summons, galaxy summons, Halloween summons, mount essences, premium medals, rune dust, and powerful 250% boosts to help you build the ultimate anime team.
| Quick Info | Details |
|---|---|
| Active Codes | 30+ Working |
| Latest Code | MerryChristmas |
| Main Rewards | Diamonds, Summons, Boosts |
| Update Frequency | Weekly |
| Developer | Bura ACS (Daireb) |
| Platform | Roblox |
Ready to assemble your dream team of anime champions? Whether you're battling Nicholas the Renegade or climbing the Celestial Towers, I've compiled every single working code for September 2025 that'll supercharge your progression. Having tested these codes myself just hours ago, I can confirm they're all active and ready to claim!
Contents
| Code | Rewards | Status |
|---|---|---|
| MerryChristmas | Free Rewards Package | ✅ NEW |
| HappyThanksgiving | Devourer Crystals, Multiple Summons, 250% Boosts, Premium Medals | ✅ Active |
| Halloween2024 | 1k Diamonds, 3 Galaxy 1-3 Summons, 3 Halloween Summons, 20 Mount Essences, 15 Ascension II Cards, All Potions, 100 Devourer Crystals, 50 Premium Medals, 100 Rune Dust, 100 Scraps | ✅ Active |
| Update25 | 1k Diamonds, 3 Beach Summons, 3 Galaxy 1-3 Summons, 20 Mount Essences, 3 Summer Portal Summons, +1.5 Drops Boost, 250% All Boosts, 100 Devourer Crystals, 50 Premium Medals, 100 Rune Dust, 100 Scraps | ✅ Active |
| Code | Rewards | Status |
|---|---|---|
| GamesShutdown | 250% Boosts, 2 Beach Summons, 100 Premium Medals | ✅ Active |
| TheGames | 100 Rune Dust, 1k Diamonds, Multiple Boosts | ✅ Active |
| GearGoals | 250% Boosts, 3 Beach Summons, 3 Summer Portal Summons, 50 Premium Medals | ✅ Active |
| HappyMonday | 100 Rune Dust, 1k Diamonds, Boosts | ✅ Active |
| ShowUp | 100 Rune Dust, 1k Diamonds, Boosts | ✅ Active |
| Code | Rewards | Status |
|---|---|---|
| SummerFix | Summer Showdown Cosmic Summon Capsules | ✅ Active |
| ShowdownCosmics | Summer Showdown Cosmic Summon Capsules | ✅ Active |
| ShowdownShutdown | 20 Cosmic Summons | ✅ Active |
| SummerHype | 20 Cosmic Summons | ✅ Active |
| WeekendBonus | 20 Cosmic Summons | ✅ Active |
| LetsGoGalaxy3 | 20 Cosmic Summons | ✅ Active |
| Code | Rewards | Status |
|---|---|---|
| SummerSunday | 1 Beach Summon, 3 Galaxy 1 Summons, 2 Galaxy 2 Summons, 1 Galaxy 3 Summon, Portal Summon, 100 Devourer Crystals, 200% All Boosts, 50 Premium Medals, 100 Rune Dust, 100 Scraps | ✅ Active |
| SummerShowdown | 100 Rune Dust, 1k Diamonds, Boosts | ✅ Active |
| SummerSoon | 100 Rune Dust, 1k Diamonds, Boosts | ✅ Active |
| Happy4th | Galaxy 1&2 Summons, Raid Chest Key, 3 Luck Boosts, 50 Premium Medals, 100 Rune Dust, 100 Scraps | ✅ Active |
| Code | Rewards | Status |
|---|---|---|
| FreeDevPack | Free Developer Pack | ✅ Active |
| oTMApology | Free Cosmic Summons, 5 Luck Boosts | ✅ Active |
| G3Hype | 100 Rune Dust, 1k Diamonds, Boosts | ✅ Active |
| Galaxy3Soon | Galaxy 1&2 Summons, Raid Chest Key, 3 Luck Boosts, 50 Premium Medals, 100 Rune Dust, 100 Scraps | ✅ Active |
| Alpha1 | Free Cosmic Summons, 5 Luck Boosts | ✅ Active |
| IAmAtomic | 100 Rune Dust, 1k Diamonds, Boosts | ✅ Active |
| Code | Rewards | Status |
|---|---|---|
| LastChanceXP | 1k Diamonds, Free Season Pass, Raid Chest Key, XP & Luck Boosts | ✅ Active |
| FeedbackTY | 1k Diamonds, Galaxy 2 Summon, Halloween Summon, Damage & Luck Boosts, 150 Rune Dust, 150 Scrap | ✅ Active |
| DailyQuest5 | 1k Diamonds, Raid Chest Key, Luck Boost | ✅ Active |
| 200Million | Galaxy 2 & 1 Summon Capsules, Orb Enhancer, Diamonds | ✅ Active |
| 150kLikesTY | Cosmic Summon, 1k Diamonds, Scrap, Dust, Potions | ✅ Active |
Redeeming codes in ACS takes just 30 seconds if you follow these exact steps:
Copy & Paste is King - Never type codes manually! ACS codes are case-sensitive, meaning "MerryChristmas" won't work if you type "merrychristmas". Always copy directly from our list.
One-Time Use Only - Each code can only be redeemed once per account. If you see "Already Redeemed" message, you've claimed it before.
Level Requirements - Some premium codes require Level 5+ to redeem. Complete the tutorial and a few quests first if you're brand new.
Check Your Inventory - Rewards go straight to your inventory. Boosts activate automatically, while items like summons appear in your collection.
Having trouble? Here's how to fix every common issue:
"Invalid Code" Error
"Code Expired" Message
"Already Redeemed" Notice
No Error But No Rewards
These codes no longer work but show what rewards were previously available:
(Over 100+ codes have expired since launch - always redeem new codes immediately!)
Anime Champions Simulator is Roblox's premier anime team-battling experience created by Bura ACS (the minds behind Anime Fighters Simulator). Since launching in 2023, it's attracted over 200 million visits by letting you collect and train champions inspired by iconic anime series.
Build your ultimate team with characters from:
Team Building System Create synergistic teams of 5 champions with complementary abilities. Mix and match characters from different anime for devastating combos!
Planet Exploration Travel across 6+ unique worlds, each themed after different anime universes. Discover hidden secrets, complete quests, and face region-specific bosses.
Gacha Summoning Use diamonds and summon tickets to recruit rare champions. Galaxy Summons offer the highest tier characters with game-changing abilities.
Progression Systems
Diamond Priority List:
Daily Routine for F2P Players:
Current Top-Tier Setup (September 2025):
Maximize your farming efficiency by stacking multiple boosts:
Pro tip: Use all boost codes before weekend events for 5x rewards!
Primary Channels:
Community Resources:
When New Codes Drop:
Red Flags to Avoid:
Daily Login Bonuses Log in consecutively for 7 days to receive:
Quest Completion Rewards
Achievement Hunting Unlock permanent rewards by completing achievements:
Best Items to Trade:
Trading Value Guide:
Q: How often are new codes released? New codes typically release every 1-2 weeks, with surprise drops during special events. Major updates guarantee at least 3-5 new codes.
Q: Do codes expire? Yes! Most codes remain active for 2-4 weeks. Holiday codes usually expire within 7 days. Always redeem immediately to avoid missing out.
Q: Can I use codes on multiple accounts? Each code works once per Roblox account. You can use the same code on different accounts if you play multiple characters.
Q: Are there region-specific codes? All codes work globally! There are no region-locked codes in Anime Champions Simulator.
Q: What's the fastest way to level up? Combine XP boost codes with Celestial Tower runs. Focus on bosses 5 levels below your team for optimal XP-to-time ratio.
Q: Which summon type is best for beginners? Start with Galaxy 1 Summons until you have a full team, then save for Galaxy 3 Summons for the best champions.
Q: How do I unlock new planets? Complete the main story quest line on your current planet. Boss defeats unlock portals to new worlds.
Q: What's the level cap? Currently, champions can reach Level 200, with Ascension adding 50 additional levels per tier.
Q: Why do codes work for my friend but not me? You may have already redeemed them on an older session. Check your redemption history in the settings menu.
Q: Can I redeem codes on mobile? Yes! The code redemption system works identically on mobile, PC, and tablet versions of Roblox.
Q: Do codes work in private servers? Absolutely! Codes function the same in both public and private servers.
Join the Community:
Helpful Communities:
About Bura ACS: The development team behind ACS previously created the hit game Anime Fighters Simulator, which garnered over 1 billion visits. Led by Daireb (@RealDaireb) and Wisdomclock (@clock_wisdom), they're committed to weekly updates and community engagement.
Update Schedule:
Galaxy 4 Expansion - Launching October 2025 with:
Quality of Life Updates:
Fair F2P Model: Unlike competitors, ACS provides generous free rewards through codes and doesn't lock essential features behind paywalls. All gameplay mechanics are accessible without spending.
Regular Content Updates: New planets, champions, and events every month keep the game fresh. The developers actively listen to community feedback and implement requested features.
Balanced Progression: The game rewards both casual and hardcore players with appropriate difficulty scaling and multiple progression paths.
Set Up Notifications:
Code Redemption Checklist:
Share the Wealth: Found a new code? Share it with the community! The faster codes spread, the more likely developers are to release bonus codes as thanks.
With these 30+ active Anime Champions Simulator codes for September 2025, you're equipped to build an unstoppable anime dream team! Remember to redeem codes immediately since they can expire without warning. I update this guide daily, so bookmark it and check back whenever you boot up ACS.
Whether you're grinding for that Ultra Instinct Goku or saving diamonds for the next Galaxy banner, these free rewards will accelerate your journey to becoming the ultimate champion. Join the official Discord community to connect with fellow players and never miss a code drop again!
Ready to claim your rewards? Launch Anime Champions Simulator now and start redeeming! May your summons be legendary and your boosts never-ending!