Last Updated: August 10, 2026
⚠️ Spoiler Warning:
This guide contains collectible locations, achievement requirements, secret routes, and puzzle details from REANIMAL: The Prisoner DLC.
At a Glance
There are two completely different types of suitcases in REANIMAL: The Prisoner:
- 🧳 Blood Hound suitcases — open them, then use the camera flash on the symbol inside.
- 💥 Exploding suitcases — opening them kills you and is required for Definition of Insanity.
The most important thing to remember is:
Opening a Blood Hound suitcase is not enough. You must use the camera flash on the red symbol inside.
This guide explains the difference between the two suitcase types, where to find the six Blood Hound cases, where to trigger the two exploding traps, and how to avoid confusing one with the other.
Table of Contents
- Blood Hound vs Exploding Suitcases
- How Blood Hound Suitcases Work
- All Blood Hound Suitcase Locations
- Suitcase #1 — Shopping Mall
- Suitcase #2 — Post-Flamethrower Room
- Suitcase #3 — Tripwire Corridor
- Suitcase #4 — Metro Platform
- Suitcase #5 — Keycard Security Room
- Suitcase #6 — Outdoor Street
- Why the Camera Flash Is Required
- All Exploding Suitcase Locations
- Definition of Insanity Achievement
- How to Tell the Two Suitcase Types Apart
- Best Order for Collecting the Suitcases
- Quick Suitcase Checklist
- Frequently Asked Questions
Blood Hound vs Exploding Suitcases
The Prisoner DLC uses suitcases for two different purposes, which can make the collectible hunt confusing.
| Suitcase Type | Quantity | Required Action | Result |
|---|---|---|---|
| Blood Hound | 6 | Open → aim camera → flash symbol | Counts toward The Blood Hound |
| Exploding | 2 | Open the trapped suitcase | Player dies; required for Definition of Insanity |
The two types should therefore not be treated as the same collectible.
The Blood Hound cases are safe to open and contain a hidden visual symbol that must be activated with the camera.
The exploding cases are traps. Opening them deliberately causes a fatal explosion.
The DLC's achievement list separately identifies The Blood Hound as finding and activating all opened suitcases, while Definition of Insanity requires being killed by all exploding suitcase traps.
How Blood Hound Suitcases Work
Finding a Blood Hound suitcase is only the beginning.
Step 1: Open the suitcase
Approach the case and use the interaction prompt to open the lid.
Step 2: Aim the camera inside
Once the suitcase is open, equip the camera and point it toward the interior.
Step 3: Trigger the flash
Use the camera flash while aiming directly into the suitcase.
Step 4: Look for the red symbol
The inside of the case reveals a glowing red symbol/sigil when activated.
The important part
Do not leave immediately after opening the suitcase.
If you open the lid but never flash the camera at the symbol, you can miss the activation.
This two-step interaction is one of the easiest mechanics to overlook when searching for the DLC's suitcase-related achievement.
All Blood Hound Suitcase Locations
The six Blood Hound cases are spread across the Mall, post-boss areas, Metro sections, the Keycard room, and the outdoor finale.
For a fast run, remember this general progression:
Mall → Post-Flamethrower area → Tripwire corridor → Metro → Keycard room → Outdoor street
Suitcase #1 — Shopping Mall
The first Blood Hound suitcase is located in the shopping mall area near the apparel/mannequin section.
How to find it
- Leave the mannequin/apparel area.
- Move toward the darker side area near the display cases.
- Check the left-side alcove.
- Look for the suitcase near the glass display cabinet.
- Open it.
- Aim the camera inside.
- Flash the red symbol.
Navigation clue
Look in the left alcove near the glass display cabinet.
This is an easy suitcase to miss if you simply follow the main route through the mall.
Suitcase #2 — Post-Flamethrower Room
The second Blood Hound suitcase is in the area after the Flamethrower encounter.
How to find it
- Enter the room after the encounter.
- Check the area close to the entrance.
- Look toward the left corner.
- Interact with the safe suitcase.
- Use the camera flash on the symbol.
Important warning
There is also an exploding suitcase in this general section.
Do not assume every suitcase in the room works the same way.
If you are specifically hunting The Blood Hound, make sure you activate the collectible case with the camera.
Suitcase #3 — Tripwire Corridor
The third Blood Hound suitcase is found after navigating the corridor filled with explosive tripwires.
How to find it
- Carefully cross the tripwire section.
- Continue toward the vertical exit ladder.
- Check the floor immediately beside the ladder.
- The suitcase is on the right side at the ladder base.
- Open it.
- Aim the camera at the interior.
- Flash the symbol.
Quick clue
Look beside the vertical exit ladder after the tripwire corridor.
Take your time here because the surrounding hazards can distract you from the collectible.
Suitcase #4 — Metro Platform
The fourth suitcase appears during the Metro section.
How to find it
- Continue across the Metro platform.
- Head toward the far end of the station.
- Look near the base of the blocked/non-functional escalators.
- Search the platform floor directly in front of the escalator area.
- Open the suitcase.
- Flash the symbol with the camera.
Quick clue
Check the platform floor directly in front of the blocked escalator base.
Suitcase #5 — Keycard Security Room
The fifth suitcase is located in the security room where you eventually obtain the Keycard.
How to find it
- Enter the Keycard security room.
- Before leaving, search the lower-right foreground corner.
- Open the suitcase.
- Use the camera flash on the red symbol.
- Then continue toward the Keycard.
Why this location matters
This suitcase is especially important because the same area leads into the Into the Dark sequence.
After obtaining the Keycard, you need to backtrack through the previous route to reach the locked subway door and the White Rabbit.
So, if you're aiming for 100% completion, check this room carefully before moving on.
Suitcase #6 — Outdoor Street
The final Blood Hound suitcase is located in the outdoor section near the abandoned vehicles.
How to find it
- Exit the Metro stairwell into the outdoor area.
- Locate the abandoned civilian sedan.
- Move behind the vehicle.
- Search near the crashed delivery truck.
- Open the suitcase.
- Aim the camera inside.
- Flash the red symbol.
Quick clue
Look behind the abandoned sedan near the rear of the crashed delivery truck.
This area also contains other DLC collectibles, making it efficient to sweep the surrounding vehicles before continuing toward the finale.
Why the Camera Flash Is Required
This is the most important suitcase mechanic in the DLC.
A Blood Hound suitcase effectively has two interaction stages:
Open the case → activate the symbol with the camera.
Simply opening the lid does not replace the camera interaction.
If your suitcase isn't counting
Check the following:
- Did you actually open the lid?
- Did you equip the camera?
- Is the camera aimed inside the suitcase?
- Did you trigger the flash?
- Did you see the red symbol illuminate?
If the red symbol has not been activated, don't move on yet.
Quick Fix
Opened the suitcase but no progress? Aim the camera directly into the case and trigger the flash again.
The achievement itself is officially described as finding and activating all opened suitcases, which fits the two-stage interaction demonstrated in the DLC.
All Exploding Suitcase Locations
The exploding suitcases are different.
These are traps rather than Blood Hound collectibles.
There are two locations required for Definition of Insanity.
Exploding Suitcase #1 — Post-Flamethrower Area
The first trap is found in the post-Flamethrower section.
What happens
- Approach the trapped suitcase.
- Interact with it.
- The suitcase immediately detonates.
- Your character dies.
- You respawn in the nearby area.
Important
This death is intentional.
You are not making a mistake by opening the suitcase.
The explosion is the point of the interaction.
Exploding Suitcase #2 — Metro Station
The second trap appears later in the Metro section.
What happens
- Approach the trapped suitcase.
- Interact with it.
- The suitcase explodes.
- Your character dies.
- After the respawn, continue through the station.
Triggering both exploding suitcase traps completes the requirement for Definition of Insanity.
The achievement is specifically described as getting killed by all exploding suitcase traps.
Definition of Insanity Achievement
How to unlock it
You need to trigger both exploding suitcase traps.
Checklist
- ☑ Exploding Suitcase #1
- ☑ Exploding Suitcase #2
- ☑ Die from both explosions
- ☑ Definition of Insanity unlocked
You do not need to photograph the exploding cases like the Blood Hound cases.
That is the critical difference.
Blood Hound
Open → camera flash → red symbol
Definition of Insanity
Open → explosion → death
Keeping those two sequences separate will save you a lot of confusion.
How to Tell the Two Suitcase Types Apart
The safest approach is to pay attention to what the game is asking you to do rather than treating every suitcase as a standard collectible.
Blood Hound suitcase
- Can be opened normally.
- Contains a hidden interior symbol.
- Camera is required.
- Flash activates the symbol.
- Contributes to The Blood Hound.
Exploding suitcase
- Opening triggers an explosion.
- Kills the player.
- Does not use the Blood Hound camera-flash sequence.
- Required for Definition of Insanity.
Don't make this mistake
Do not assume that an exploding suitcase is a failed collectible attempt.
If the suitcase kills you, that is part of the DLC's achievement design.
Best Order for Collecting the Suitcases
If you are attempting a clean 100% run, the most efficient general order is:
- Blood Hound Suitcase #1 — Shopping Mall
- Blood Hound Suitcase #2 — Post-Flamethrower area
- Exploding Suitcase #1
- Blood Hound Suitcase #3 — Tripwire corridor
- Exploding Suitcase #2
- Blood Hound Suitcase #4 — Metro platform
- Blood Hound Suitcase #5 — Keycard security room
- Keycard
- Backtrack for Into the Dark
- Blood Hound Suitcase #6 — Outdoor street
This route minimizes unnecessary searching because several other collectibles and achievements are positioned around the same areas.
Quick Suitcase Checklist
Blood Hound
- ☐ #1 — Shopping Mall apparel/mannequin area
- ☐ #2 — Post-Flamethrower room
- ☐ #3 — Tripwire corridor / ladder
- ☐ #4 — Metro platform / blocked escalator
- ☐ #5 — Keycard security room
- ☐ #6 — Outdoor street / crashed delivery truck
Exploding Suitcases
- ☐ #1 — Post-Flamethrower area
- ☐ #2 — Metro station
- ☐ Definition of Insanity unlocked
Blood Hound activation
- ☐ Open suitcase
- ☐ Aim camera inside
- ☐ Flash red symbol
- ☐ Confirm activation
Frequently Asked Questions
Are all suitcases collectibles in REANIMAL The Prisoner?
No. The DLC has Blood Hound suitcases that require camera activation and separate exploding suitcase traps used for the Definition of Insanity achievement.
How many Blood Hound suitcases are there?
This guide covers six Blood Hound suitcase locations across the DLC.
Do I need to photograph the Blood Hound suitcase?
Yes. Opening the suitcase is only the first step. You must aim the camera at the symbol inside and trigger the flash.
What happens when I open an exploding suitcase?
It explodes and kills your character. The resulting death is required for Definition of Insanity.
How many exploding suitcases are there?
There are two exploding suitcase traps associated with Definition of Insanity. The achievement requires being killed by all of them.
Why isn't my Blood Hound suitcase counting?
Make sure you have both opened the case and flashed the camera directly at the symbol inside.
Can I confuse the exploding suitcase with a Blood Hound collectible?
Yes, especially when searching quickly. The important distinction is that Blood Hound cases use the camera-flash activation, while the exploding cases are deliberate death traps.
Final Takeaway
The Prisoner DLC's suitcase system is much easier once you stop treating every suitcase as the same type of collectible.
Remember these two rules:
🧳 Blood Hound:
Open → Camera → Flash the red symbol
💥 Definition of Insanity:
Open → Explode → Die
If you're going for full completion, collect the Blood Hound cases as you progress and deliberately trigger both exploding traps.
The biggest mistake is opening a Blood Hound suitcase and immediately walking away. The red symbol inside must be activated with the camera flash.
The official achievement list separately identifies The Blood Hound, Definition of Insanity, Frame Fatale, Dust Buster, and the other Prisoner DLC achievements, confirming that the suitcase, shadow, and Spider Kid objectives are separate completion categories.
👉Related Guides, Sources & Helpful Community Links:
- All 6 Stalking Shadows Locations
- Into the Dark White Rabbit & Keycard Guide
- Missable Achievements: Into the Dark, Warm Bodies & More
- All Collectibles & Missable Achievements Guide
- REANIMAL on Steam: Official Steam page with the game’s developer, publisher, DLC/Season Pass information, achievements, and supported features.
- REANIMAL community discussion: The Prisoner DLC secrets — Players discuss additional hidden visuals, the suitcase symbol mechanic, ghost-child discoveries, and the six-count collectible pattern.
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