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Cerulean Invasion

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About Cerulean Invasion

Cerulean Invasion is a visual novel about space cadets, romance and sexuality. You follow Alexis in the aftermath of the Prothinian invasion of a lunar colony, as citizens are conscripted to defend mankind from the alien aggressors. Along the way, Alexis forms close bonds with his comrades Osman, Evan and Leon.

Story and artwork

The story is about 75,000 words and takes approximately 6 hours to play. It includes original sprite and CG artwork by Zinq, with more than 20 CGs, not counting variations.

Romance and scenes

The visual novel features romance between men and includes 18+ scenes, including a threesome. It also has in-game achievements.

Frequently asked questions

Steam lets publishers create keys to sell in other shops. Once you activate a key, the game is yours to keep, just like a store purchase.

Disclaimer: CD keys have an inherent 1–2% average failure rate. Check the shop terms for buyer protection info. Steam offers no buyer protection for keys bought in other shops and doesn't refund them.

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