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Release: 22 Jan. 2026
Vincere Studio
Vincere Studio
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About Cerulean Invasion

Cerulean Invasion
Cerulean Invasion
Cerulean Invasion
Cerulean Invasion
Cerulean Invasion
Cerulean Invasion
Cerulean Invasion
Cerulean Invasion
Cerulean Invasion
Cerulean Invasion

Cerulean Invasion - about the game

Cerulean Invasion is an engaging BL / Yaoi / Gay / Bara / Queer / NSFW (18+) visual novel featuring space cadets and enticing romance. Follow our characters as they embrace their sexuality and explore their newfound romance.

SYNOPSIS

In the aftermath of the Prothinian invasion of a lunar colony, citizens are conscripted to protect mankind from the alien aggressors. Journey through the eyes of Alexis as he navigates through the ripple effects of war, forming close bonds with his comrades ā€” Osman, Evan, and Leon ā€” along the way.Ā 

GAME FEATURES

  • Engaging Story:Ā ā‰ˆ75k words (approx. 6 hours of play)

  • Stunning Original Artwork: Sprite and CG art by Zinq

  • Detailed CGs: 20+ CGs (not counting variations)

  • 18+ ScenesĀ (incl. threesome)

  • In-Game Achievements

  • And so much more!

Action Indie Casual Simulation Adventure Family Sharing Single-player

Age rating

Unavailable

Price history

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FAQ

8 questions

Before you start looking for a cheap Cerulean Invasion CD Key, take a moment to check the essentials. Developed by Vincere Studio. Published by Vincere Studio. PC released date: 22 Jan. 2026. Genres: Action, Indie, Casual, Simulation, Adventure. Categories: Family Sharing, Single-player.

Q Can I play Cerulean Invasion on Steam Deck?

No, not right now. Valve marks Cerulean Invasion as Steam Deck Unsupported, so it won't launch via Proton at this time. Keep an eye on XD.deals - we track Proton breakthroughs and community fixes, and we'll flag it the moment there's a working way to play Cerulean Invasion on Steam Deck.

Yes. A Cerulean Invasion Steam version exists. Pick any offer tagged Steam Key on XD.deals, redeem it in the desktop client, and play Cerulean Invasion on Steam PC.

Yes. Once your Steam key is redeemed, you can launch Cerulean Invasion in Offline Mode via Steam. Your save files will sync the next time you go online.

Yes, you can buy a Cerulean Invasion Steam Key directly on the Steam Store. At XD.deals, we aggregate all available Steam DRM offers so you can compare cheap Cerulean Invasion steam deals in one place.

At the moment we don't have any live offers for Cerulean Invasion - both official stores ({1}) and keyshops ({2}) show the game as sold out or temporarily unavailableā€¦

With XD.deals, PC gamers can instantly see where to buy a cheap Cerulean Invasion PC Steam key. Our real-time price-comparison engine and curated coupon database track every official store and trusted keyshop so you dont have to. Right now we detect this game in {1} live offers from stores and keyshops.

Not yet. There's no Cerulean Invasion Steam listing right now, so you can't buy Cerulean Invasion on Steam today. Instead, browse the other Cerulean Invasion offers on XD.deals - official stores and keyshops often provide DRM-free or launcher-key versions you can play while waiting for a future Steam release.

No - XD.deals itself isn't a store. We're a price-comparison service that tracks the best offers for Cerulean Invasion across official stores and verified keyshops. Click "Shop Now" next to the deal you want, and you'll be redirected to the retailer's website to complete your purchase and receive the key there.

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