Underplayed Gems

NAMAKORIUM (ナマコリウム) (2026)

NAMAKORIUM (ナマコリウム) cover
Developer
Polyscape Inc.
Platforms
Windows
Genres
Casual, Indie, Simulation, Strategy
Rating
4.7 of 5, 196 player ratings
Typical playtime
about 4.9 hours
Where to get it
Steam

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The 3D catalog: game boxes on wooden shelves, with the cat sitting at the counter next to its greeting.

The catalog in 3D

The same catalog has a room you can walk around in. The cat behind the counter is the AI Catbot, and they pick real games from it when you tell them what you feel like playing. Nothing is for sale, here or in there. Go in from here and this game is already out on the counter, with more like it waiting on the shelf next to it.

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How it feels

A chaotic yet chill cooperative RTS where you command sea cucumbers to clean polluted oceans at your own pace.

chaoticcooperativechillefficiency-focusedcasualstrategicrelaxing

What players say

Players love the cute sea cucumbers but find the game demanding, a puzzle-like RTS where stages run about five to ten minutes and chasing gold ranks takes trial and error. They split on the controls, some calling the UI small and sticky, others praising the teamwork. Solo play exists, so it works alone too.

Screenshots

NAMAKORIUM (ナマコリウム) screenshot 1NAMAKORIUM (ナマコリウム) screenshot 2NAMAKORIUM (ナマコリウム) screenshot 3NAMAKORIUM (ナマコリウム) screenshot 4NAMAKORIUM (ナマコリウム) screenshot 5NAMAKORIUM (ナマコリウム) screenshot 6

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More by Polyscape

This page is from Underplayed Gems, a catalog of older and overlooked games. Not quite it? You can browse by platform and genre, or take this one into the 3D catalog and ask the Catbot for something closer.