Oppaidius Summer Trouble! Demo is free on Steam

Our record

We first recorded this on 29 September 2026. Listed on Steam. Picked up from Steam, then checked against the store.

From the store page

An ecchi visual novel with a '90s retro vibe! It features original FM music (Yamaha YM2151 sound chip), pixel art (PC-98) backgrounds, and yes, oppai!

Excerpt from the Steam store page. Full description there.

Genres and features

Sexual ContentNuditySimulationSingle-player

Questions

Is it really free?

Yes. Oppaidius Summer Trouble! Demo is free right now on Steam, with nothing to pay.

Is this the full game?

No. A demo is a portion of Oppaidius Summer Trouble! Demo — usually the opening section — published so you can try it. It is free permanently, but it is not the complete game.

Where do I claim it?

On the official Steam page. We link straight there — we never host game files or act as a middleman.

Earlier giveaways of Oppaidius Summer Trouble! Demo
Ended	Store	Ran for
—	Steam	—

Earlier giveaways of Oppaidius Summer Trouble! Demo

Ended

Store

Ran for

—

Steam

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