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Game guide
Project Mirror Labyrinth Guide: Getting into your first dungeon
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About
OverviewProject Mirror Labyrinth is a roguelite deck-building RPG on Roblox where you explore dungeons, collect cards, and fight enemies using a deck you build as you go. It draws heavily from games like Slay the Spire, Library of Ruina, and Limbus Company, and is designed to be played solo with a high degree of challenge. This guide covers how to get started, how the core loop works, and what to watch out for before you dive in.
What is on this page
Contents
01
Getting into your first dungeon
Step
In short
Starting a run takes only a couple of actions, but you need to know where to look.
When you first load in, you receive a free Reflection — that is the character you will play as. Once you have one, you are ready to enter the dungeon. There are two ways to get in, and both work equally well.
- Collect your free Reflection it is handed to you automatically when the game starts.
- Find the NO ENTRY gate this is the dungeon entrance on the map.
- Press Tab a menu appears; select Play to launch the run.
- Alternatively, interact with the gate directly walk up to it and talk to it instead of using Tab.
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02
The core gameplay loop
SummaryIn short
Every run asks you to build a stronger deck as you push deeper into the dungeon.
Project Mirror Labyrinth is a roguelite, which means each run starts fresh and you build power as you go. You collect cards inside the dungeon and use them in turn-based combat against enemies. The game is designed around high difficulty and lots of replayability, so do not expect to clear everything on your first attempt.
- Game type roguelite deck builder with RPG elements
- Card collection cards are gathered during exploration and assembled into your fighting deck
- Combat battles are fought using the cards in your deck
- Difficulty the game is built around challenging, high-stakes runs
03 Live and upcoming events
Events
Events running now or coming soon. They have fixed dates, so check them first.
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04
Free Reflections from redeem codes
TipsIn short
Redeem codes are the main free way to expand your roster of Reflections.
The game hands out codes periodically, and each one can be redeemed once. Joining the official group is the best way to stay on top of new codes as they are released.
Tips worth knowing
- Each code can only be used once — entering the same code a second time will not work.
- Joining the official Roblox group gives you access to update announcements and new code drops.
05 Working codes
Codes
Welcome
FREE Reflections
FREE Reflections
gogSneak
405 Fragments
405 Fragments
LiuSectionSix
TenMoreYears
06
Controls and accessibility warnings
Warn
In short
You must use a keyboard and mouse, and the game contains flashing light effects.
There is no controller support at all, so a keyboard is required to play. The Tab key is how you open the dungeon menu, making it one of the most important inputs in the game. The game also contains bright and flashing lights, so keep that in mind if you or someone nearby is sensitive to that kind of visual effect.
Worth watching out for
No controller support
a gamepad will not work; keyboard and mouse are required.
Flashing lights are present throughout the game
take care if you are sensitive to rapid visual effects.
Maintenance runs roughly every Tuesday at around 2:00 P.M.
the game may be unavailable at that time.
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Glossary
Glossary- Reflection
- The character you control in the dungeon — you get one free at the start and can earn more through redeem codes.
- NO ENTRY Gate
- The entrance to the dungeon on the map — interact with it or press Tab to begin a run.
- Deck
- The set of cards you build during a dungeon run, which you use to fight enemies in combat.
Common questions
FAQHow do I start a dungeon run?
Press Tab and select Play, or walk up to the NO ENTRY gate and interact with it directly. Either method launches a run. Make sure you have a Reflection first — you get one free when the game loads.
Can I use a controller to play?
No. The game has no controller support. You need a keyboard and mouse to play.
Can I use the same redeem code more than once?
No — each code can only be redeemed a single time. Once you have used it, entering it again will not give you anything.
When does maintenance happen?
Maintenance takes place roughly every Tuesday at around 2:00 P.M. The game may be down during that window.
Updated Sep 11, 2026
Game updates can change what is on this page. If you spot something, get in touch and let us know.
Game updates can change what is on this page. If you spot something, get in touch and let us know.
