From the popular free game "Outside" comes a dreamy and cute barrage shmups. The visuals are colorful, cute and fantastic, and the game features active gameplay.
| App ID | 1424630 |
|---|---|
| App type | Game |
| Developer | あうとさいど |
| Publisher | あうとさいど |
| Homepage | https://ausorrllrrll.wixsite.com/outside |
| Release date | 2020-10-02 22:01 UTC |
| Release state | released |
| Controller support | partial |
| Content descriptors | Some Nudity or Sexual Content, General Mature Content |
| Localized names | japanese コスモドリーマー |
| Store page | store.steampowered.com/app/1424630 |
| Last store refresh | 4 hours ago |
| # | Executable | Arguments | OS | Description |
|---|---|---|---|---|
| 0 | CosmoDreamer.exe | windows |
No player history yet. This app is now tracked, so data will appear within about ten minutes.
| Playing now | Not polled yet (never) |
|---|---|
| 24-hour peak | |
| All-time peak (tracked) |
All Steam store regions, converted to USD at today's exchange rate, compared with the US price. Lowest is the lowest price SteamRaw has recorded for that region.
Loading regional prices…
| Date | Price | Regular | Discount |
|---|---|---|---|
| 2026-09-11 22:12 UTC | $7.99 | $7.99 |
| DLC | AppID | Release | Price |
|---|---|---|---|
| No DLC known for this app. | |||
| Branch | Build ID | Description | Updated | Password |
|---|---|---|---|---|
| public | 19963990 | 2025-09-12 22:23 UTC |
| Depot | Name | OS | Size | Download | Public manifest | Notes |
|---|---|---|---|---|---|---|
| 228990 | windows | from app 228980 · shared install | ||||
| 1424631 | windows · 64 | 210.87 MB | 200.84 MB | 4368669107070610296 |
A build is one published version of the game's files on a branch. Steam assigns a new build ID every time the developer pushes an update, so this list is the update history of the app. The files inside a build (depot manifests) are only readable with an account that owns the game, which SteamRaw does not have yet, so build contents are not shown.
| Build ID | Branch | Updated | First seen |
|---|---|---|---|
| 19963990 | public | 2025-09-12 22:23 UTC | 4 hours ago |
Every appinfo change SteamRaw has observed, grouped by changelist. Tags, features, languages, builds, depots, prices and any other key Steam publishes. Tracking since 2026-09-11 22:12 UTC.
No changes recorded since SteamRaw first saw this app. Every future PICS change will be listed here.
| Changelist | Apps | Packages | Seen | What changed |
|---|---|---|---|---|
| No changelists recorded for this app yet. | ||||
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 issues.
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 a lighthearted and comical style.If you’re interested, please consider adding it to your wishlist!
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.
{STEAM_CLAN_IMAGE}/38756894/f48e551a5ff61c4fa087050d25350d2b6b1a73a5.png 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 Outside.
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 problem that “Scores have been sent to the leaderboard.” was displayed in an inappropriate state.
{STEAM_CLAN_IMAGE}/38756894/daa5b9c41d8ca48195f3b5149d7539687122e92a.png 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. Click here to go to the store page. This game is a free game "REDNEG ALLSTARS". The game is a remake of the free game "REDNEG ALLSTARS" with a completely new system and graphics. It is scheduled to be released by the end of 2024. If you are interested in this game,
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. The opening and some demo plays are repeated after each playback. ・Added "STEAM DECK" button type to key configurations. Caution! After the update, the game may load with different settings than before. ・Long pressing the directional buttons will now automatically send items. ・Added a screen to confirm whether to send scores to the online
Thank you for playing Cosmo Dreamer. We are pleased to announce the Ver. 2.21 update of Cosmo Dreamer. In this version, we have made the following changes. ・Fixed key prompts during replay playback.
Thank you for playing Cosmo Dreamer. We are pleased to announce the Ver. 2.20 update of Cosmo Dreamer. In this version, we have made the following changes. English expressions have been changed to be the same as the Nintendo Switch version. Other minor changes.
Thank you for playing Cosmo Dreamer. We are pleased to announce the Ver. 2.11 update of Cosmo Dreamer. In this version, we have made the following changes. Correction of text Changed some words in the manual. Fixed a problem that reproduced the input of the fast-forward button when replaying replays. Fixed the screen switching effect in some stages of the practice mode.
Thank you for playing Cosmo Dreamer. We have just released Ver2.10 update mainly adding "Steam Achievements", "Ranking" and "Practice Mode". The Ver2.10BETA version that was recently released to the public is no longer available. Thank you for participating in the beta test. The following changes have been made in this version. Support for SteamAPI Support for Steam Achievements Addition of a "Ranking" screen. Added a process to send results to the leaderboard on the results screen after completing trials and extras. Added Practice Mode (Practice mode is available after clearing Stage 1) (Prac
Cosmo Dreamer has been updated to Ver. 2.03. The following modifications were made. ・Changed the format of BGM files. We expect to improve the problem that loop playback does not work properly in some environments.
CosmoDreamer" has been updated to "Ver. 2.02". Contents of the ver2.02 update Development library (https://dxlib.xsrv.jp/index.html) updated to the latest version Changed loading method at startup Correction of the stage clear screen
We are pleased to announce that we have updated "CosmoDreamer" to Ver. 2.01. Contents of the update of ver 2.01 1.Fixed timer display for some bosses.
Full appinfo as delivered by Steam PICS, changenumber 37446306. Also at /api/app/1424630/raw.
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