
Game Overview
A screen-filling storm of bullets turns survival into an aggressive puzzle across these two compact vertical shooters. .Decluster and .Decluster Zero pair old-school arcade pressure with a clean, minimalist visual style, keeping the focus on positioning, reaction time, and chasing higher scores. The mood is intense rather than grim: every run is a rapid-fire test of nerve, but the accessible controls and immediate restarts make failure feel like an invitation to try again.
Players guide a small craft through vertically scrolling enemy formations, firing continuously while weaving through dense projectile patterns. In the first game, the signature homing beam locks onto targets while also erasing hostile shots, forcing you to decide when to use its protective power and when to save it for a dangerous wave. Zero expands that idea with systems that manipulate bullets more directly: captured fire slows down and becomes retaliatory lasers, while charging helps restore your resources quickly enough to support bolder play. Both games work with controllers, keyboard-and-mouse setups, or keyboard-only controls, and replay recordings make it easy to study a strong run or identify the exact mistake that ended one.
The biggest appeal is how defense becomes part of your offense, rather than a separate panic button as in many bullet-hell shooters. Zero especially rewards players who learn to read patterns and turn overwhelming enemy fire into ammunition, giving it more tactical depth than its sparse presentation suggests. Online score tables add a competitive reason to refine routes, while vertical monitor support gives dedicated shmup fans the proper arcade-like layout. Anyone who enjoys the focused scoring pressure of Dodonpachi-style shooters, but wants more forgiving bullet-management tools, finds plenty to like here; newcomers can learn through repetition, while genre veterans can pursue cleaner, riskier clears.
Screenshots
Installation
- Select the Download button at the top of this page to open UploadHaven.
- On UploadHaven, wait for any countdown, then select Free Download. Optional: UploadHaven Pro for faster downloads.
- When complete, extract the archive to a .Decluster & .Decluster Zero folder using 7-Zip.
- Open the extracted folder and start the game normally.
- For errors, check Setup Guide & Troubleshooting below. Keep your security software enabled.
System Requirements
- Requires a 64-bit processor and operating system
- OS: Windows 11
- Processor: Intel Core i3 2GHz
- Memory: 1 GB RAM
- DirectX: Version 11
- Storage: 300 MB available space
Setup Guide & Troubleshooting
How do I fix missing DLL errors for .Decluster & .Decluster Zero (v1.0.0)?
After extracting .Decluster & .Decluster Zero (v1.0.0), 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 201.10 MB — 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.
Do I need to run the game as administrator?
Usually, no. Start the game normally from the extracted folder. If you see a permissions or save error, check that the folder is writable and follow the game's documented fix. Only grant administrator access when a trusted game's specific setup requires it.
How do I update my GPU drivers for this game?
The game won't launch — what should I try?
Check that extraction completed and your PC meets the system requirements, including Version 11. Note any error message before choosing a fix. If it identifies a missing runtime, install the required DirectX components or Microsoft Visual C++ Redistributable from Microsoft.
My antivirus is blocking the game — is it safe?
A warning needs to be investigated; the download source alone cannot confirm that a file is safe. Keep your security software enabled and review the detection details. Do not run or restore a flagged file unless you have verified that it is a false positive. If you are unsure, leave it quarantined.