Undead Onslaught
Dark fantasy bullet-heaven roguelike with villains and escalating waves
Wish App Games · Released Jun 22, 2024 · Early Access
- Reviews
- Very Positive
- 82% of 72
- Recent reviews
- Not enough recent
- Players
- 0
- daily peak, Nov 7, 2026
- Steam Deck
- Playable
- Last update on Steam
- 9 months ago
- Jan 12, 2026
What is Undead Onslaught?
This single-player, 2D bullet-heaven roguelike casts you as a villain fighting the forces of light. Choose a character, use weapons and magic to survive escalating enemy waves, and develop abilities over repeated runs. After a defeat, a champion appears in the next run; defeating them grants you power.
For you if...
- +you like fast-paced combat against increasingly strong waves
- +you enjoy experimenting with different character skills and builds
- +you prefer dark fantasy settings and villain protagonists
Not for you if...
- −you dislike repeating runs after defeat
- −you want multiplayer instead of solo runs
- −you prefer to wait until Early Access ends
What players say
82% of 72 reviews are positive
Players praise the distinct characters, varied skills, and character progression.
Screenshots and trailer
Undead Onslaught system requirements
Minimum: DirectX 10 GPU, 4 GB RAM, 3 GB of disk space.
As published by the developer.
Can my PC run Undead Onslaught?
Tell us your graphics card once and every game page will answer this for you.
Set up my PC →Minimum
- OS
- Requires a 64-bit processor and operating system OS *: Windows 7 (64 bit)
- Processor
- Intel Core i3-3210
- Graphics
- DirectX 10 capable GPU
- Memory
- 4 GB RAM
- Storage
- 3 GB available space
Recommended
- OS
- Requires a 64-bit processor and operating system OS: Windows 10
- Processor
- Intel Core i5-4690
- Graphics
- NVIDIA GeForce GTX 660 or AMD Radeon R7 265
- Memory
- 8 GB RAM
- Storage
- 3 GB available space
Does Undead Onslaught have co-op or multiplayer?
No: single-player only, no multiplayer modes declared.
Does Undead Onslaught run on Steam Deck?
Playable Playable: it runs on Steam Deck with some adjustments.
- Some in-game text is small and may be hard to read
- All functionality is accessible with the default controller configuration
- Shows Steam Deck controller icons
- Default graphics settings perform well on Steam Deck
PC version details
- DRM
- None declared on Steam
- Controller
- Full controller support
- Platforms
- Windows, macOS, Linux
- Achievements
- 75
- Steam features
- Cloud saves, Family Sharing
- Languages
- Text only: English, German, Russian, Japanese, Simplified Chinese, Traditional Chinese, Dutch, Korean, French, Spanish - Spain, Polish, Portuguese - Brazil, Portuguese - Portugal, Spanish - Latin America, Ukrainian.
Does Undead Onslaught use AI-generated content?
No AI-generated content is disclosed on the game's Steam page.
Self-reported by the developer under Steam rules: it covers AI content that ships in the game, not tools used to make it. Steam page checked on Oct 25, 2026. How to filter AI games on Steam
Tags
- Early Access
- Bullet Hell
- Action Roguelike
- Pixel Graphics
- Roguelike
- RPG
- Magic
- Dark
- Demons
- 2D
- Action
- Fantasy
- PvE
- Procedural Generation
- Dark Fantasy
- Action RPG
Recent updates
- Jan 12, 2026 · Patch V1.4.3
- Jan 11, 2026 · Patch V1.4.2
- Dec 29, 2025 · Patch V1.4.1
- Dec 27, 2025 · Update 1.4 is live!
- Jul 21, 2025 · Hotfix: Game Difficulty Round 2
1 DLC available.