Null & Peta -Invasion of the Queen Bug-

Side-scrolling action with a robot sister fighting bugs in cyberspace

TOKYOTOON · Published by Shiravune · Released Jan 30, 2020

Reviews: Mostly Positive; 71% of 96
Recent reviews: Not enough recent
Players: 0; daily peak, Oct 28, 2026
Steam Deck: Untested
Last update on Steam: 6 years ago; Mar 9, 2020
Minimum PC: 1.5 GB disk; Full requirements

What is Null & Peta -Invasion of the Queen Bug-?

You play as Peta, a robot built by her inventor sister Null, in a side-scrolling action game. You use different weapons to fight enemy bugs and search cyberspace for secrets, with Null providing support as the sisters take on the Queen Bug.

For you if...

+you enjoy lighthearted anime comedy and science-fiction settings

Not for you if...

−you want multiplayer or cooperative play

What players say

71% of 96 reviews are positive

Players praise the character art, voice acting, and soundtrack. Common complaints concern basic gameplay and clunky movement, while some players also report English dialogue overflowing its text boxes.

Screenshots and trailer

Null & Peta -Invasion of the Queen Bug- screenshot 1

Null & Peta -Invasion of the Queen Bug- system requirements

Minimum: 1.5 GB of disk space.

As published by the developer.

Can my PC run Null & Peta -Invasion of the Queen Bug-?

The published requirements do not name a graphics card we can compare.

Set up my PC →

Minimum

OS: Windows 8/8.1/10
Storage: 1500 MB available space
DirectX: Version 11

Does Null & Peta -Invasion of the Queen Bug- have co-op or multiplayer?

No: single-player only, no multiplayer modes declared.

Single-player

Does Null & Peta -Invasion of the Queen Bug- run on Steam Deck?

Untested Not yet tested by Valve on Steam Deck.

PC version details

DRM: None declared on Steam
Controller: Keyboard and mouse
Platforms: Windows
Achievements: 58
Steam features: Family Sharing
Languages: Full audio: Japanese. Text only: English, Simplified Chinese, Traditional Chinese.

Does Null & Peta -Invasion of the Queen Bug- 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 27, 2026. How to filter AI games on Steam