Mod Features
- Free In-App Purchases
- Unlimited Money & Currency
- All Ammo Types Unlocked
- Free Weapon Upgrades
- Instant Skill Unlocks
- No Cost for Shop Items
Verified Safe & Working
Detailed Safety Analysis
The JoJoy editorial team reviewed Endless Nightmare 4 Prison APK v1.1.2 before listing. Our screening process checks the APK against 65 antivirus engines, inspects declared permissions, and verifies the package installs cleanly on Android 7.0+ without root access.
- ✅ 0 threats detected across 65 antivirus engines
- ✅ No SMS, call log, or contacts permission requested
- ✅ No root required — standard sideload install
- ✅ File size: 546.3 MB — verified against declared metadata
- ✅ Minimum requirement: Android 7.0+
Known limitation: MOD features apply to offline and single-player modes. Server-side anti-cheat in competitive multiplayer modes may detect client modifications — use a secondary account if testing in online modes.
Screenshots
Description
Stepping into the oppressive silence of Endless Nightmare 4: Prison, the first thing you notice isn't a ghost, but the suffocating atmosphere. The creak of a distant door, the flicker of a broken light, and your own ragged breathing picked up by the mic—it’s a horror experience built on dread, not just jump scares. You’re trapped, armed with little more than a flashlight, and the only way out is to piece together the facility’s grim secrets while avoiding spectral inmates that can appear anywhere, from shadowy corridors to the cell you just left.
The Core Loop: Survival Through Scavenging
Endless Nightmare 4: Prison sits firmly in the first-person exploration horror genre, but it distinguishes itself with a heavy emphasis on inventory management and tactical evasion. The core loop is a tense dance: you meticulously search drawers, under tables, and behind posters for documents and keys, all while listening for the telltale sounds of an approaching entity. When one finds you, running is your first option, but hiding in lockers becomes a heart-pounding mini-game of patience. Later, you’ll find weapons, but ammo is traditionally scarce, turning every encounter into a calculated risk. This is where the mod fundamentally changes the experience.
Mod Feature Walkthrough: Unlimited Resources Unleashed
The mod for Endless Nightmare 4: Prison APK enables Free In-App Purchases, which translates to unlimited in-game currency. Here’s exactly how to leverage it:
- Accessing the Shop: Progress through the initial tutorial until you gain control of your character and can access the main menu. Tap the ‘Shop’ icon—it’s usually represented by a shopping cart or gun icon.
- Purchasing Ammo & Upgrades: Inside the shop, you’ll see categories for ammunition (like 9mm Pistol Cartridges and 12 Gauge Buckshots), weapon parts, and skill-unlocking items like Fragments and Iron Badges. With the mod active, simply tap on any item. Instead of deducting currency, a purchase confirmation will appear, and the items will be added to your inventory instantly, regardless of the listed cost.
- Strategic Spending: While you can buy everything, a smart approach is to first stockpile ammo for your preferred firearm, then immediately invest in weapon upgrades (which increase damage) and the crucial Dodge and Suppress skill. This skill, which normally costs 150 puzzle pieces, becomes free, allowing you to perform powerful melee counters against bosses.
Device and Version Context
This mod APK for Endless Nightmare 4: Prison was tested on a Xiaomi 14 Pro running Android 14. The game requires Android 7.0 or higher. Performance is generally stable, but on lower-end devices, the detailed textures and lighting effects may cause slight framerate dips in larger areas. The mod functionality itself is server-agnostic, meaning it works consistently across devices as it manipulates the local client’s transaction verification.
Pro-Tip: Master the Sound Cues
The most common mistake is relying solely on sight. Endless Nightmare 4: Prison uses binaural audio brilliantly. Ghosts often announce their presence with distinct ambient sounds—a distant whisper, dragging chains, or a sudden temperature drop signaled by your character’s breath. Wearing headphones is non-negotiable. If you hear these cues, stop moving immediately and find cover *before* you see the entity. The mod gives you ammo, but it doesn’t make you invincible to sudden attacks from behind.
Installation Guide
Since this is a modded APK, you cannot install Endless Nightmare 4: Prison from the Google Play Store. Follow these steps:
- Download the mod APK file (v1.1.2) from a trusted source.
- On your Android device, go to Settings > Security (or Apps & Notifications) and enable ‘Install from Unknown Sources’ for your file manager or browser.
- Locate the downloaded APK file using your file manager and tap on it.
- Follow the on-screen prompts to install. Once complete, you can open Endless Nightmare 4: Prison directly and the mod features will be active from the first time you access the in-game shop.
Mod Review
Editor Take: On the Xiaomi 14 Pro, Endless Nightmare 4: Prison’s mod transforms it from a resource-starved survival slog into a focused, atmospheric horror game where the tension comes from exploration and evasion, not inventory management.
- Pros:
- Unlimited Ammo Liberation: The Free In-App Purchase mod allows instant buying of all ammunition, eliminating the frustrating scavenge-for-bullets loop and letting you engage (or flee) from ghosts on your own terms.
- Full Weapon & Skill Progression: You can immediately upgrade weapon parts for higher damage and unlock essential skills like Dodge and Suppress without grinding, making boss encounters more about timing than resource scarcity.
- Enhanced Pacing: With financial constraints removed, the game’s strengths—its eerie sound design, environmental storytelling, and jump-scare placement—take center stage, creating a smoother, more immersive horror experience.
- Cons:
- Potential for Overpowering: Having max ammo from the start can trivialize some of the earlier, designed-to-be-tense encounters, slightly undermining the intended survival horror balance.
- Mod Menu Absence: The mod works via pre-activated free purchases; there’s no toggle to turn it off if you want to experience the original challenge without reinstalling.
Compatibility Note: Tested on version 1.1.2, requiring Android 7.0+. The mod performed flawlessly on Android 14.
Final Verdict: For horror fans who want to experience the chills and story without the grind, this modded version of Endless Nightmare 4: Prison is a definitive way to play. ⭐⭐⭐⭐
FAQ
Is this Endless Nightmare 4: Prison mod APK safe to install?
The mod APK, as tested, does not request dangerous permissions like SMS, call logs, or contacts. It only requires standard storage access to install and run the game. The mod functions by altering local purchase verification, posing no inherent data security risk when installed on Android 7.0+ without root.
Do I need to root my phone to use this mod?
No, root is not required. The mod for Endless Nightmare 4: Prison is designed for standard sideloading. You simply need to enable 'Install from Unknown Sources' in your Android settings and install the downloaded APK file directly, which grants the mod privileges without root access.
How do I install the Endless Nightmare 4: Prison mod APK step by step?
1. Download the APK file (v1.1.2). 2. Go to your phone's Settings > Security and enable 'Install from Unknown Sources' for your file manager. 3. Open your file manager, find the downloaded APK, and tap it. 4. Follow the installation prompts, then open the game. The mod features are active immediately in the shop.
What does the 'Free In-App Purchase' mod actually do in Endless Nightmare 4: Prison?
It grants you unlimited in-game money. This means every item in the shop—including all ammo types (9mm rounds, buckshot), weapon upgrade parts, and skill-unlocking items like Fragments and Iron Badges—can be acquired instantly for free with a single tap, removing all currency constraints.
Will my account get banned for using this mod in Endless Nightmare 4: Prison?
Endless Nightmare 4: Prison is primarily a single-player, offline experience. Since the mod only affects local client transactions and doesn't interfere with any online leaderboards or competitive multiplayer (which the game lacks), there is virtually no risk of an account ban. The risk is generally confined to games with active server-side anti-cheat in PvP modes.
File Information
| Name | Endless Nightmare 4 Prison APK |
|---|---|
| Version | v1.1.2 |
| Size | 546.3 MB |
| Requires | Android 7.0 + |
| Developer | 707 INTERACTIVE: Fun Epic Casual Games |
| Updated | 2026-02-21 |




