CPU Invaders

I loaded CPU Invaders expecting a throwaway novelty, the kind of thing that gets greenlit on concept alone and forgotten within an hour. What I found was something more considered than its micro price tag suggests. The whole trick is that the game renders directly over your live desktop. Your wallpaper becomes the arena floor, your open browser windows sit underneath pixel-art invaders, and a small draggable game window lets you reposition the action however you like. It is a genuinely odd sensation the first time you see your actual taskbar framing a wave of enemies, and that oddness carries the experience further than you might expect. Mechanically it is a top-down arcade shooter with two firing modes: a focused single shot on left-click and a wider semi-circular spread on right-click. The spread covers more ground but deals less damage per hit, so you are constantly making small tactical calls about which tool fits the current wave. Enemies across the ten levels come in distinct types - slow tanks that absorb punishment, fast small units that punish lazy aim, and boss enemies that spawn smaller threats when killed. The difficulty ramp is honest. Early levels let you breathe and learn the patterns; by the later stages the screen gets crowded enough that the spread shot stops feeling like a backup option and starts feeling essential. One community thread noted that some players reach level seven before discovering right-click exists at all, which tells you something about how naturally the dual-fire system hides itself. The 8-bit soundtrack, composed by Frost Orb, is the detail that surprised me most. It does not feel bolted on. There is a genuine attention to texture in those bleeping loops - the kind of care you associate with composers who actually like chiptune rather than treating it as a budget checkbox. It meshes with the desktop-overlay visual style in a way that makes the whole thing feel intentional rather than improvised. The honest caveats: this is short. Completion data puts a full run with achievements somewhere around ninety minutes at a comfortable pace. Replayability leans almost entirely on score-chasing and the novelty of your specific desktop configuration affecting enemy visibility - a dark wallpaper makes life easier, a busy one adds accidental difficulty. There are also reports of occasional mouse input quirks and at least one level with a persistent bug, which a game this brief can ill afford. Still, the Steam community has stayed warm on it for years, and the original title became a Steam Awards finalist, which is not nothing for a one-trick indie from 2017. If you are looking for a meaty, long-form experience, look somewhere else. But if you have ever wanted to shoot something crawling across your actual desktop while a YouTube video plays behind it, this is the only game that delivers exactly that - and it delivers it with more craft than the premise deserves. Kai, Scout Team

Runs flawlessly on Linux out of the box. Based on 4 ProtonDB community reports.

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