Illvelo Swamp
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About Illvelo Swamp
Illvelo Swamp is a shoot ’em up in which you work through a branching maze of 100 stages, completing Orders to open new routes and reach the goal. The game has multiple goals, routes and endings, including a true ending beyond the depths.
The stage maze
More than 1,000 Orders, or missions, expand the branching routes and unlock new stages. Completing them lets you choose your way through the maze.
Twin-stick combat
Your ship carries Dolls, weapons you can detach and aim freely for precise, powerful attacks. You can also use a range of special attacks and the Megalophaz, a high-damage bomb.
Lusie and Cheep'O
Lusie spends her days shut in her room playing her favorite online game. When rumors spread that players are disappearing both online and in real life, her partner AI, Cheep'O, also develops a malfunction that corrupts her linguistic programming. As they search for answers, Lusie and Cheep'O are drawn into a hidden conspiracy beneath both the game and the real world.
Frequently asked questions
The best price for Illvelo Swamp is $15.99 at Steam. It is the only shop with an offer that activates in your country.
The minimum requirements for Illvelo Swamp are: Windows 11, Intel UHD Graphics 630, Intel Core i5, 8 GB RAM, 700 MB storage. It runs on Windows only. The recommended specs are in the System requirements section.
No. Illvelo Swamp is a single-player game.
Mostly, yes. Valve rates Illvelo Swamp as Playable on the Steam Deck: it runs, but may need some manual setup.
Yes. Illvelo Swamp is the full base game. You need nothing else to play it.
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.











