N₂O

N₂O

Gremlin Interactive · 2022 · Retro, Action, Shoot 'Em Up, Shooter, Arcade

PC
Mostly Positive75% · 12
Best price
$7.99
lowest tracked $3.99
Steam Buy at Steam

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Steam
Steam
Standard Edition · Steam
$7.99
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Screenshots

About N₂O

Originally released in 1998 for the Sony Playstation, N₂O took players on a high-speed journey through a bizzare and challenging tubular world. Now, relive those days in this remastered emulated version.

Featuring a pumping big beat soundtrack by The Crystal Method.

30 psychedelic levels of adrenaline-pumping action. Fight a constant stream of terrifying insectoid aliens trying to stop you in your tracks. Choose from up to four kinds of spacecraft, and customize their look.

Features a 2-player local coop mode (second player will need their own game controller) either on one screen or split-screen.

This enhanced version introduces a number of modern features to this retro classic, including:
  • Saving/loading the game at any point
  • Support for most modern game controllers
  • Full control remapping
  • Image scaling and smoothing options

What Steam players say

Recent verbatim reviews from Steam — separate from playze.io community reviews below.

✦ AI summary

Players praise this as a fantastic arcade classic with great gameplay mechanics, but are frustrated by a critical save bug that wipes progress and settings on every restart, making it unplayable for extended sessions. Performance issues in borderless mode and crashes when loading save states further diminish the experience, though the core game itself is considered worthwhile for nostalgic fans despite these technical problems.

Recommended Aug 22, 2024
You have no idea how long I've been looking for this game. Apparently the framerates suck when in borderless so make sure you set it to fullscreen
3 found this helpful
Not recommended Feb 16, 2025
The game doesn't save anything. Your score and settings reset every time you boot it. It has save states (because this is actually an emulator) but it crashes when you load a save state, which means it has FEWER features than the original game from 1998 AND fewer features than a PSX emulator. If they fix this, I'll revise to thumbs-up, but they probably won't because it's been out for 2 years already.
2 found this helpful
Recommended May 18, 2026
epic classic
Not recommended Jun 28, 2025
cant save progress due to a bug 😢
Recommended Jan 14, 2025
N20 Nitrous Oxide 1998 PS One Classic
Recommended Dec 24, 2024
Fantastic classic, ig some developers were playing Tempest on psychedelics and said, "We could make it better" and they did. It's a fun arcade classic that's 100% worth the price.

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