Null & Peta -Invasion of the Queen Bug-

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Null & Peta -Invasion of the Queen Bug- — compare prices from CA$25.99 | KingsPrice

Offers

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Official stores

Official stores with direct support.

Steam

SteamSteamOfficial

updated Jul 19, 2026

CA$25.99

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Demo (1)

Try this game before buying.

Null & Peta -Invasion of the Queen Bug- Demo

No price tracked

Multipacks (2)

Null & Peta Deluxe Edition

-42%CA$37.66

Marco & The Galaxy Dragon + Null & Peta

-15%CA$44.18

DLCs (2)

Null & Peta - Art Book

CA$12.99

Null & Peta -Invasion of the Queen Bug- Soundtrack

CA$12.99

About Null & Peta -Invasion of the Queen Bug-

Overview & Story

The crazy comedy anime Null & Peta has been reborn as a thumb-threatening action game!
Null supports her sister from the sidelines while Peta equips an absurd arsenal of armaments to fix the bugs infesting cyberspace!

Featuring sisterly cooperation, gorgeous event CGs—and plenty of secrets to explore!?
The anime's writer Hato returns to tell another original story, and character designer Eku Takeshima has packed the game with new, exclusive art!

Debug the world!
Help Null and Peta defeat their true enemy, the Queen Bug!

Characters

Genius schoolgirl inventor and cyber-navigator.

Null's big sister! She loves her little sister.

A robot big sister created by Null. She doesn't seem to mind running into enemy bugs...!?

Game details

Released

Developer

Publisher

Platforms

Steam rating

Mostly Positive (73%)

Age ratings

IGRS 13DEJUS 10STEAM_GERMANY 12

Game modes

Single-player

Null & Peta -Invasion of the Queen Bug- price history

Lowest tracked price: CA$5.19 (Jul 7, 2026) · current best: CA$25.99.

Null & Peta -Invasion of the Queen Bug- player count & reviews

73% positive reviews all-time · 1 peak players in the last 30 days.

Null & Peta -Invasion of the Queen Bug- — frequently asked questions

Where can I buy Null & Peta -Invasion of the Queen Bug- at the cheapest price?

Right now the cheapest offer for Null & Peta -Invasion of the Queen Bug- is CA$25.99 at Steam. KingsPrice compares 1 offers from 1 stores — official stores and keyshops — and refreshes prices throughout the day.

What is the lowest price Null & Peta -Invasion of the Queen Bug- has ever been?

The lowest price KingsPrice has tracked for Null & Peta -Invasion of the Queen Bug- is CA$5.19 (recorded on Jul 7, 2026). This covers the stores and period we monitor — set a price alert to catch the next drop to that level.

How many people play Null & Peta -Invasion of the Queen Bug-?

Null & Peta -Invasion of the Queen Bug- peaked at 1 concurrent players on Steam in the last 30 days (highest on Jul 12, 2026). The player chart on this page updates daily.

How can I get Null & Peta -Invasion of the Queen Bug- at a discount?

Create a free price alert on this page and KingsPrice will email you when Null & Peta -Invasion of the Queen Bug- drops below your chosen price. The biggest discounts usually appear during seasonal Steam sales and publisher promotions — the sale calendar on this page shows the next confirmed event.