Last 7 days
Screenshots, achievements, specs, every price change and sale we've seen on Steam, and trading cards.
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Steam prices for United States (change the country in the top bar), and Steam keys from authorized stores.
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100% positive of 140 · Very Positive · Live from Steam
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Live data from Steam, tracked by SteamPlayerBase.
No authorized Steam key store lists this game right now.
What changed on Steam for this game since we started following it: prices and sales, builds, name, release date and review score.
Review score: 100% on 2026-11-01 → 100% today (140 reviews)
Every build released on Steam for this game since we started tracking it, with the developer's patch notes. Updated within minutes of each new build.
Thank you for playing Cosmo Dreamer. We have released the Ver. 2.32 update for Cosmo Dreamer. The following issues have been fixed in this version: Fixed an issue where some numbers were not displayed. Fixed an issue where some Video Config ON/OFF settings wer…
Thank you for playing Cosmo Dreamer. We are pleased to announce the Ver2.31 update for Cosmo Dreamer. In this version, the following changes have been made: ・Adjusted the replay and ranking UI when using the Chinese language setting.
Thank you for playing Cosmo Dreamer. We are pleased to announce the Ver2.30 update for Cosmo Dreamer. In this version, the following changes have been made: ・Added support for Simplified and Traditional Chinese. ・Fixed some English text. ・Fixed some UI display…
Thank you for playing Cosmo Dreamer. We are pleased to announce the Ver. 2.24 update of Cosmo Dreamer. In this version, we have made the following changes. ・VSYNC (vertical sync)” and ‘SOUND TYPE (sound API)’ added to options.
Thank you for playing Cosmo Dreamer. We are pleased to announce the Ver. 2.23 update of Cosmo Dreamer. In this version, we have made the following changes. ・Implementation of functionality to automatically change button type with controller input. ・Fixed a pro…
Thank you for playing Cosmo Dreamer. We are pleased to announce the Ver. 2.22 update of Cosmo Dreamer. In this version, we have made the following changes. ・Added a specification that a demo play is played after a certain amount of time on the title screen. Th…
Thank you for your support of Cosmo Dreamer.We at Outside are excited to announce the release of the demo version of our new STG, Fox Flare Night!Store Page HereThis is Outside’s first side-view shooting game, offering a refreshing, fast-paced experience with …
Thank you for your interest in Cosmo Dreamer. We are pleased to announce that Outside new shump "REDNEG ALLSTARS SWING-BY EDITION". officially released. Click here for store page Please check out our new game. We look forward to your continued patronage of Out…
Thank you for your interest in Cosmo Dreamer. We are pleased to announce that Outside will be releasing released a Demo version of our new STG "REDNEG ALLSTARS SWING-BY EDITION". Demo version of the new STG "REDNEG ALLSTARS SWING-BY EDITION" has been released.…
Works, but may need extra effort. Results from Valve's own testing.
Valve hasn't published test details for this game.