- Project Mirror Labyrinth Guide: A roguelite deck builder on Roblox inspired by the Project Moon universe (Library of Ruina and Limbus Company).
- Core Loop: Enter dungeons via the TAB menu, build a card deck, survive maze encounters, and earn Fragments.
- Progression: Use Fragments and Tickets for Reflections to unlock new Outfits and passive abilities.
- Key Strategy: Balance high-damage Attack Cards with sustainable Defense Cards to survive late-game dungeon nodes.
- Maintenance: Servers typically update every Tuesday at 2:00 P.M., which may affect dungeon access.
Getting Started in Project Mirror Labyrinth
Project Mirror Labyrinth is a unique Roblox experience that blends tactical card combat with atmospheric roguelite exploration. Unlike traditional RPGs, your success depends on how you construct your deck mid-run and how you manage your resources between attempts. Before diving into the maze, you must understand the basic economy and the initial steps required to secure your first set of rewards.
Video Highlights:
- Overview of the Library of Ruina and Limbus Company fusion gameplay.
- Visual guide to the dungeon entry gates and lobby UI.
- Demonstration of the card-based combat system in action.
To begin your journey, you should focus on gathering starter resources. The game provides several currencies that are essential for unlocking the "Reflections" system, which functions as the primary progression mechanic.
| Resource | Primary Purpose | How to Obtain |
|---|---|---|
| Fragments | Pulling Outfits from Reflections | Codes, Dungeon runs, Missions |
| Condense | Defragmenting Outfits for passives | Special events, Starter codes |
| Seeds of Light | High-level Outfit growth | Milestone rewards, Codes |
| Reflection Tickets | Free pulls in Standard/Targeted banners | Maintenance compensation, Events |
Always join the official Project Mirror Labyrinth Roblox group and "Like" the game before attempting to redeem codes. Many rewards are locked behind these community requirements.
Combat Mechanics and Deck Building Strategy
Combat in Project Mirror Labyrinth is turn-based and revolves around playing cards from your hand to counter enemy actions. As you progress through a dungeon, you will add new cards to your deck, creating synergies that can either make or break your run. Understanding the distinction between card types is the first step toward mastering the meta.
Offensive Build
- High Damage: Focuses on overwhelming enemies quickly.
- Fragile: Requires precise timing to avoid lethal counter-attacks.
- Best for: Fast farming and early dungeon floors.
Defensive Build
- Sustainability: Uses Block and Evade cards to mitigate damage.
- Slow Burn: Battles last longer but are much safer.
- Best for: Boss encounters and high-difficulty mazes.
Utility Hybrid
- Adaptability: Mixes resource generation with moderate damage.
- Complex: Harder to pilot but handles diverse enemy types.
- Best for: Experienced players seeking deep dungeon runs.
The card system is inspired by Slay the Spire, meaning you need to manage your "Energy" or "Cost" effectively. Playing too many high-cost attack cards might leave you defenseless during the enemy's turn.
| Card Category | Effect Type | Strategic Value |
|---|---|---|
| Attack | Direct Damage | High: Necessary to end fights quickly. |
| Defense | Shield / Block | Critical: Prevents HP loss during enemy turns. |
| Buff | Stat Increase | Medium: Enhances long-term combat efficiency. |
| EGO | Ultimate Ability | Highest: Can turn the tide of a losing battle. |
Do not ignore defensive cards. In Project Mirror Labyrinth, health does not regenerate fully between every floor. A "glass cannon" build will often fail before reaching the final boss.
Dungeon Exploration and Maintenance
The core of the project mirror labyrinth guide involves navigating the maze-like dungeons. These are procedurally generated, meaning the path you take will change with every run. You must choose between different nodes, such as Combat, Elite Encounters, or Rest Sites.
Initiate the Run
Open the in-game menu by pressing TAB and select "Play," or walk up to the NO ENTRY gate in the lobby to start.
Select Your Route
Look at the map and plan your path. Prioritize nodes that offer card rewards early on to stabilize your deck.
Manage Encounters
Engage in card combat. Win battles to earn Fragments and new card choices.
Reach the Luxcavation
Navigate toward the deeper layers to unlock higher-tier rewards and boss fights.
It is important to note that the game undergoes regular maintenance to ensure stability and add new content like the "Lei Heng" or "Not Binah" updates. During these times, dungeon access may be restricted.
| Event | Typical Time (EST) | Impact on Player |
|---|---|---|
| Weekly Maintenance | Tuesday 2:00 P.M. | Servers offline, progress not saved. |
| Patch Deployments | Irregular / Weekends | New codes released, meta changes. |
| Daily Reset | 12:00 A.M. | Mission refresh, login rewards. |
If you experience a "NO ENTRY" error outside of maintenance hours, try rejoining a fresh server. Roblox updates can sometimes cause lobby instances to desync from the game's backend.
Reflections and Outfit Progression
Reflections are the gacha-style system where you spend Fragments to acquire Outfits. Outfits are more than just cosmetic; they provide significant stat boosts and unique passive abilities that define your playstyle.
Essential Progression Goals:
- Redeem the 'Welcome' code for starter Fragments
- Perform your first Targeted Reflection pull
- Defragment an Outfit to unlock its first passive
- Complete a full Dungeon run without dying
- Save 1,600+ Fragments for Mega Reflection Tickets
There are two main types of Reflection banners: Standard and Targeted. Targeted banners have a higher chance of dropping specific high-tier Outfits, making them the preferred choice for players looking to optimize a specific build.
| Currency / Item | Acquisition | Best Usage |
|---|---|---|
| Mega Ticket | Rare Codes / Events | Guaranteed SR+ pulls in Reflections. |
| EGO Ticket | High-tier Dungeons | Unlocking powerful EGO abilities. |
| Fragments | General Gameplay | Buying standard Reflection pulls. |
| Seeds of Light | Achievement Milestones | Final stage Outfit Defragmentation. |
Focusing on a single Outfit and fully Defragmenting it is often better than having multiple low-level Outfits. The passive abilities unlocked through Defragmenting are game-changers.
Active Codes and Reward Redemption
To jumpstart your progress in 2026, you should utilize all active codes. These codes provide a massive influx of Fragments and upgrade materials that would otherwise take hours to farm.
| Active Code | Reward | Requirement |
|---|---|---|
| OfficeDelay | 1,620 Fragments | Join Group + Like |
| UrbanPlague | 405 Fragments | None |
| NepoOffice | 405 Fragments | Case Sensitive |
| FauvistStudents | 405 Fragments | None |
| Welcome | 350 Fragments, 500 Condense | New Players |
To redeem these codes, look for the Codes icon on the left side of your screen while in the lobby. Enter the text exactly as shown, as the system is case-sensitive. If a code fails, check if you have joined the official community group, as this is a common hidden requirement.
Expired codes like BambooHat or 5MVisits! are no longer active. Don't waste time trying them; focus on the July 2026 refresh list provided above.
Project Mirror Labyrinth FAQ
Q: How do I start my first dungeon run?
You can start a run by pressing the TAB key to open the main menu and selecting 'Play,' or by interacting with the NO ENTRY gate located in the game lobby.
Q: What is the best way to spend Fragments?
Beginners should save Fragments for Targeted Reflections to secure a high-tier Outfit. Once you have a solid Outfit, spend Fragments on Defragmenting to unlock powerful passive abilities.
Q: Is Project Mirror Labyrinth an official Project Moon game?
No, it is a fan-made Roblox experience inspired by the Project Moon universe, specifically Library of Ruina and Limbus Company. It is created by the Project Mirror Labyrinth development group.
Q: Why aren't my codes working?
Most codes require you to join the official Roblox community group and 'Like' the game. Additionally, ensure you are typing the code with the correct capitalization, as they are case-sensitive.