OpiPopi Launches Free on Steam, Then Heads to Osaka Indie Summit 2026
The free mouse-driven adventure OpiPopi arrived on Steam on October 2, 2026, and was later exhibited at OSAKA INDIE GAMES SUMMIT 2026.
The free adventure game OpiPopi began free distribution on Steam on October 2, 2026, according to 4gamer.net. In OpiPopi, players use mouse controls to freely touch various objects in a room.
The game features three different endings, determined by how many of "a certain thing" the player notices before sleepiness fills up.
Following its Steam release, OpiPopi was exhibited at OSAKA INDIE GAMES SUMMIT 2026. An OIGS-exclusive version of the game, featuring an OIGS message, was shown at the event.
Natsuki Nako provided the voice for the game.
Background
Before its Steam release, OpiPopi had been available on various free game distribution sites since April 2026. Its creator, GrutanP, typically works in game development on planning and specification development, and has sometimes used synthesized voices in past personal productions.
Quick answers
When did OpiPopi come out on Steam?
OpiPopi started free distribution on Steam on October 2, 2026.
How do you play OpiPopi?
Players use mouse controls to freely touch various objects in a room.
How many endings does OpiPopi have?
The game has three different endings depending on how many of "a certain thing" the player notices before sleepiness fills up.