How to Install Once Upon a Dungeon – Infinity (0.9.18.0): Download the full archive from the verified mirror below, extract the files to a short folder path (such as C:\Games\{once-upon-a-dungeon-infinity-free-download}) using 7-Zip or WinRAR, install any bundled runtime dependencies in _CommonRedist, and run the main executable as Administrator.
→ Download Once Upon a Dungeon – Infinity (0.9.18.0) Full Archive & Mirrors
Step-by-Step Installation Checklist for Once Upon a Dungeon – Infinity
Quick Game Overview & Verification
Verified 100% Working
How to Install Once Upon a Dungeon – Infinity Without Errors – Full Setup Guide is a PC game for Windows. This tested release features v0.9.18.0 with an estimated download size of 170.20 MB. Pre-installed, DRM-free, verified clean, and ready to play offline with full gamepad support.
Platform
Windows
Build / Version
v0.9.18.0
Download Size
170.20 MB
File Integrity
SHA-256 Passed
- Download Complete Release: Visit the Once Upon a Dungeon – Infinity main download page and grab the full archive using a download manager (IDM, JDownloader 2, or Free Download Manager) for maximum speed and resume support.
- Prepare Antivirus Exclusion: Before extracting, add your dedicated
Gamesfolder to Windows Security exclusions so false-positive heuristics do not quarantine legitimate offline Steam/GOG/emulator loader files. - Unpack with 7-Zip or WinRAR: Right-click the downloaded archive and select Extract Here. Avoid extracting into
C:\Program Filesor OneDrive-synced desktop folders. - Install Required Runtimes: Open the
_CommonRedist(orRedist) directory if present and install Visual C++ 2015–2022 Redistributable, DirectX, and OpenAL. - First Launch & Save Verification: Right-click the game binary, choose Run as administrator, and verify controller or keyboard bindings in the settings menu.
More Once Upon a Dungeon – Infinity Resources: System Requirements | Crash & DLL Fixes | Patch Notes
About Once Upon a Dungeon - Infinity
Dive into a captivating roguelike adventure steeped in Slavic mythology, where endless dungeon crawling awaits. Players navigate through dark, procedurally generated dungeons teeming with terrifying monsters, utilizing a mix of melee, magic, and projectile weaponry to overcome their foes. The game emphasizes a rich loot system, allowing you to collect unique items and harness the powers of Slavic gods.
You can create or recruit allies who grow stronger alongside you, employing advanced combat mechanics that introduce effects like bleeding and freezing. Crafting plays a significant role too—enhance your gear, brew potions, and trade valuable loot as you strategize your way to confront the ultimate nemesis, the Fallen One.
This game is perfect for fans of roguelikes and those who love deep combat systems infused with mythological elements.
Key Features & Highlights
- Full Pre-Installed Release: Ready to play immediately upon extraction—no third-party setup or installer required.
- All Latest Updates & Patches: Fully updated to the latest build with performance optimizations, bug fixes, and bonus content.
- Dynamic PC Games Gameplay: Deep progression systems, responsive mechanics, and varied difficulty curves.
- High-Fidelity Audio & Visuals: Polished textures, smooth framerates, and rich sound design optimized for modern PC hardware.
- Verified Clean & Safe: 100% verified files free from bloatware, spyware, or intrusive background processes.
Instructions
- Click the Download button below and you will be redirected to UploadHaven.
- Wait 5 seconds and click on the blue ‘download now’ button. We recommend using a download manager for faster download speeds. (You can use FDM which is free here, or any other download manager).
- Once the game is finished downloading, right click the .zip file and click on “Extract to Once Upon a Dungeon - Infinity v0.9.18.0.zip” (To do this you will need 7-Zip, which you can get here, or you can use the built in windows extractor).
- Double click inside the Once Upon a Dungeon - Infinity v0.9.18.0 folder and run the setup application. Accept the EULA, and install the game. Then, launch the game through the desktop shortcut.
Once Upon a Dungeon – Infinity Free Download (v0.9.18.0)
Once Upon a Dungeon - Infinity (v0.9.18.0)
Size: 170.20 MB
Reminder: This download is completely free and won't cost you a penny. However, If you love the game and want to purchase it, you can support the developers by doing so here.
System Requirements
- OS: Windows 10
- Processor: Dual Core 2.4 GHz
- Memory: 4 GB RAM
- Graphics: GeForce GTX 950
- Storage: 500 MB available space
Screenshots
Recommended For You: If you enjoy this game, also check out Dungeon Antiqua 2 (v2026.08.15) and Darkest Dungeon (v27628 & ALL DLC) and Legends of Dragaea: Idle Dungeons (v2.0.9) for more top-rated gameplay.
Looking for more top titles? Explore our complete rankings in the Best PC Games guide.
Once Upon a Dungeon – Infinity – Technical Overview & Release Details
Once Upon a Dungeon – Infinity (0.9.18.0) is available on GOG Unlocked as a verified, complete release in the PC Games catalog. Every archive hosted in our repository is checked for file integrity so players can download, configure, and launch Once Upon a Dungeon – Infinity without missing assets, corrupted packages, or unnecessary third-party launchers. Whether you are archiving a classic release or testing performance on modern hardware and handheld devices, the specifications and setup instructions below cover everything required for a smooth installation.
System Requirements & Compatibility Matrix
Before downloading Once Upon a Dungeon – Infinity, review the hardware and platform compatibility table below to confirm your setup meets the recommended specifications:
| System Component | Minimum PC Requirements (1080p Low/Med) | Recommended PC Requirements (1080p/1440p High) |
|---|---|---|
| Operating System | Windows 10 (64-bit) | Windows 10 / Windows 11 (64-bit) / SteamOS |
| Processor (CPU) | Intel Core i3 / AMD Ryzen 3 Dual-Core (2.8 GHz+) | Intel Core i5 / AMD Ryzen 5 Quad-Core (3.4 GHz+) |
| Memory (RAM) | 8 GB RAM | 16 GB Dual-Channel RAM |
| Graphics Card (GPU) | DirectX 11 / Vulkan Compatible (2 GB VRAM) | NVIDIA GeForce GTX 1660 / AMD RX 5600 XT (6 GB+ VRAM) |
| Release Format | Official GOG Offline Backup Installer (DRM-Free Setup) | 0.9.18.0 (170.20 MB) |
How to Install & Configure Once Upon a Dungeon – Infinity (0.9.18.0)
Follow this step-by-step checklist to install and verify Once Upon a Dungeon – Infinity without common extraction or startup errors:
- Download the Full Release: Use the verified direct download links below to grab the Once Upon a Dungeon – Infinity (0.9.18.0) archive.
- Extract or Run Setup: Extract the archive to a dedicated games folder using 7-Zip or WinRAR (avoid installing inside restricted system folders like
C:\Program Files). - Verify Dependencies: If prompted on first launch, install the bundled DirectX, Visual C++ Redistributables, and .NET runtime packages located in the
_CommonRedistfolder. - Launch as Administrator: Right-click the main game executable and choose Run as administrator so local save files and configuration profiles write cleanly.
Troubleshooting & Optimization Tips
- Archive Extraction Errors: Always use the latest 64-bit build of 7-Zip or WinRAR and ensure your destination drive has at least 2x the archive size in free space during unpacking.
- Missing DLL or Black Screen on Launch: Install both
vc_redist.x64.exeandvc_redist.x86.exe, update your GPU drivers, and add the game folder to your Windows Defender exclusion list so real-time scanning does not quarantine game binaries. - Controller & Steam Deck Compatibility: Once Upon a Dungeon – Infinity can be added as a Non-Steam Game using Proton GE on SteamOS/Linux, with Steam Input enabled for automatic gamepad mapping.
