Play ev.io, a browser-based first-person shooter on the game’s official site.
Operius
Play Operius, a browser-based high-speed shooter inspired by arcade games from the 1980s.
About Operius
Operius is a high-speed arcade-inspired shooter where players progress through infinite levels and try to get the highest score. It can be played in a browser without downloading, with a downloadable Windows version also available, and it is accessible from the Opera GX no-internet page after winning the Opera GX Game Jam.
Key features
- Infinite levels focused on high-score play
- Browser play option without downloading
- Downloadable Windows version
- Accessible from Opera GX offline page
- Low-poly 3D vector-style presentation
- Listed singleplayer and multiplayer modes
Best for: Best for players seeking short arcade shooter sessions on web or Windows.
Good for
- Won the Opera GX Game Jam
- Rated 4.6 out of 5 stars from 23 ratings on itch.io
Watch out for
- Windows download may trigger a SmartScreen warning
Operius at a glance
- Website
- mors-games.itch.io/operius
- Category
- Gaming › Browser Multiplayer Games
- Type
- Website
- Pricing
- Not confirmed. Check the site
- Platforms
- Web, Windows
- Open source
- Not stated
- Language
- English
- Last checked
- Oct 5, 2026 · Online when checked
- Listed
- Oct 5, 2026
Operius alternatives
Tools and sites you could use instead, ranked by how closely they match.
Play Krunker.io, a browser-based multiplayer first-person shooter that runs without a download.
Play OpenArena, a Quake 3-style multiplayer shooter, in a browser with friends.
Play DEADSHOT.io, an online multiplayer first-person shooter with lobby play.
Play Hypersomnia, a multiplayer top-down shooter written in C++ with a web version available.
Open source
23 alternativesPopular in Browser Multiplayer Games
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Operius FAQ
How many sectors does Operius have?
Levels continue indefinitely, with 32 visual skins that then repeat, according to the author.
Why does Windows SmartScreen block Operius.exe?
Per the author, SmartScreen flags downloads that are not trusted, which commonly affects indie games downloaded online.
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