Underworld Ascendant Free Download (v1.4.2)
Game Overview
From the creative minds behind the acclaimed Ultima Underworld®, System Shock and Thief series, in Underworld Ascendant®, Paul Neurath and Warren Spector’s OtherSide Entertainment challenges you to think creatively in an interactive sandbox environment. You are summoned by a mysterious figure to The Stygian Abyss, a dangerous and constantly evolving dungeon world imperiled by the looming threat of the beast Typhon. To save this world, and yours – you must overcome complex challenges, uncover lost secrets and gain favor with factions to maximize your knowledge and strength. Utilize your environment to stack the odds in your favor. Devise the ideal plan to overcome the challenges you face or dive in and think on your feet. Each decision holds great opportunity and grave consequence. What you leave behind will be engraved on the lives of others. Enter a fully-realized dungeon realm, from the village of Marcaul to the Vault of Nyx and seven other large-scale levels to explore, each comprising a labyrinthine assembly of rooms, passages, halls and ruins connecting massive cavern complexes. Interact with useful flora and physics-based traps. Encounter fantastic creatures like Lizard Men, opportunistic Outcasts, and fearsome Mind Cripplers – all with unique abilities that can be used to your advantage. Set out on more than 70 quests and numerous Side Bounties that reward you for avoiding detection, going unarmed and more, providing many opportunities to explore, replay and test unlimited strategies and playstyles.
Installation Instructions
- Click the green button below to be redirected to UploadHaven.
- Wait 15 seconds, then hit “Free Download.” (Free downloads may be slower — upgrade to UploadHaven Pro for faster speeds.)
- Once downloaded, right-click the .zip file and choose “Extract to Underworld Ascendant.” (You’ll need 7-Zip for this.)
- Open the extracted folder and run the game as administrator.
- Enjoy! 🎮 If you see missing DLL errors, check the _Redist folder inside and install what’s needed.
Download Links
Download Underworld Ascendant using the button below.
Setup Guide & Troubleshooting
How do I fix missing DLL errors for Underworld Ascendant (v1.4.2)?
After extracting Underworld Ascendant (v1.4.2), navigate to the _Redist or _CommonRedist folder inside the game directory and install DirectX, Vcredist, and any other dependencies included.
What should I do if the downloaded file is corrupted?
The full archive is 7.97 GB — make sure your download completed fully before extracting. Use 7-Zip to extract the files. If you still see a "file corrupted" error, re-download and try again.
Why should I run the game as administrator?
Right-click the game executable and select "Run as Administrator" to avoid save file issues and permission errors. This is especially important on the first launch.
How do I update my GPU drivers for this game?
The game won't launch — what should I try?
This game requires Version 11. Try running in compatibility mode, install the latest DirectX runtime, or install the All-in-One VC Redist Package.
My antivirus is blocking the game — is it safe?
Antivirus false positives are common with pre-installed games. Temporarily pause your antivirus during extraction to prevent it from quarantining game files. You can re-enable it after the extraction completes.
System Requirements
- Requires a 64-bit processor and operating system
- OS: 64-bit Windows 7, 64-bit Windows 8 (8.1) or 64-bit Windows 10
- Processor: Intel CPU Core i5-6600 @ 3.3GHz / Ryzen 3 1300X
- Memory: 8 GB RAM
- Graphics: Nvidia GPU GeForce GTX 960 (3GB)/ AMD R9 280 (3GB)
- DirectX: Version 11
- Storage: 25 GB available space
Screenshots

