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A developer of meaningful games including Misteryium and now working on Helena

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RioStudios® Blog

Who are we?

We are a developer of meaningful games including Misteryium and now working on Helena!


Misteryium is a retro puzzle mystery game inspired by the old Game Boy games. Misteryium features a mysterious atmosphere and unique interactions with the environment. More than 10 press articles were written about it in 3 different idioms.

Helena (in development)

Relive Armando's memories as he wanders the streets of Oporto. A game proposal aimed to be meaningful and impactful. Using a unique and nostalgic atmosphere, with an original stately soundtrack and beautiful art, put yourself in his shoes and relive his memories in Oporto, Portugal.

The team

Rio Studios is made by a team of 5 talented developers, of which 4 are from Portugal and 1 from England!

  • Diogo Frazão- Game Programmer/Developer- Twitter
  • Eduardo Peixoto- Game Designer/ Project Manager- Twitter
  • Ruben Sousa- Game Designer/ Production Coordinator- Twitter
  • Rodrigo Fitas- Game Artist- Twitter
  • Vincent Salgueiro- Composer/ Sound Designer- Twitter

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Latest tweets from @rio_studios_

In Helena, Oporto's city will rely on showing the Portuguese culture at the time with traditional Portuguese music.… T.co

Apr 15 2021

🥳It has only just begun and we're already having a blast at #wafflegames come to join us at: App.hopin.com

Apr 9 2021

At Waffle Games hosted by @egdcollective, you can expect to see exclusive content about Helena and also the first i… T.co

Apr 8 2021

The first environment of the game will take place in an office in Oporto, Portugal. 🇵🇹 This office represents the… T.co

Apr 2 2021

Armando Peixoto is the "old man" that the game will be about. He had an interesting yet difficult life that deserve… T.co

Mar 26 2021

Helena's main mechanic involves dragging letter fragments into their rightful letters in order to further develop t… T.co

Mar 18 2021

Helena, a homage to an old man's life game in development! Helena is a game proposal aimed to be meaningful and im… T.co

Mar 12 2021

RT @IndieCornerG: The game #Misteryium(R) is a narrative-driven, single-player puzzle game with a charming mysterious atmosphere. R… T.co

Mar 4 2021