
Game Overview
A creaking treasure ship carries a displaced human through a year of uneasy divine companionship in this pixel-art visual novel. Waking in a storeroom with nothing but the sound of waves, she learns that the Seven Lucky Gods have selected her as a possible deity, although most of them hardly welcome the intrusion. Rainbow Sea turns Japanese folklore into an intimate, bittersweet mystery, balancing quiet daily life with a persistent sense that every resident is hiding something important.
You guide the protagonist around the ship, speaking with its gods, inspecting rooms, and triggering scenes through the right combinations of location, time, weather, and relationship level. Conversations present choices that shape trust and steer the narrative, while regular meals and sleep matter because the clock advances at one in-game minute per real second. Days run from morning until midnight unless exhaustion sends the heroine to bed early, making schedule management more meaningful than it first appears. A single year ends on New Year’s Day, with a typical route lasting around two hours before one of 22 possible conclusions appears.
Rather than treating alternate endings as simple success or failure states, the story uses every finale as another piece of its larger truth. The gods are memorable partly because their everyday habits contrast with their ancient roles: a dependable cook, a hostile recluse, a war god fond of cats, a masked tea enthusiast, and several others invite very different approaches. Its compact ship setting makes repeat runs focused instead of repetitive, since missed meetings and altered timing can reveal entirely new angles on earlier events. Fans of route-driven mysteries and character-heavy visual novels, especially players who enjoy piecing together lore in the vein of 999 or The House in Fata Morgana, find plenty to unravel here.
Screenshots
Installation
- Select the Download button at the top of this page to open UploadHaven.
- On UploadHaven, wait for any countdown, then select Free Download. Optional: UploadHaven Pro for faster downloads.
- When complete, extract the archive to a Rainbow Sea folder using 7-Zip.
- Open the extracted folder and start the game normally.
- For errors, check Setup Guide & Troubleshooting below. Keep your security software enabled.
System Requirements
- OS *: Windows 7 (SP1+) and Windows 10
- Processor: x86, x64 architecture with SSE2 instruction set support.
- Graphics: DX10, DX11, DX12 capable.
- Storage: 400 MB available space
- Additional Notes: Hardware vendor officially supported drivers. For development: IL2CPP scripting backend requires Visual Studio 2015 with C++ Tools component or later and Windows 10 SDK.
Setup Guide & Troubleshooting
How do I fix missing DLL errors for Rainbow Sea (v1.0.4)?
After extracting Rainbow Sea (v1.0.4), navigate to the _Redist or _CommonRedist folder inside the game directory and install DirectX, Vcredist, and any other dependencies included.
What should I do if the downloaded file is corrupted?
The full archive is 384.71 MB — make sure your download completed fully before extracting. Use 7-Zip to extract the files. If you still see a "file corrupted" error, re-download and try again.
Do I need to run the game as administrator?
Usually, no. Start the game normally from the extracted folder. If you see a permissions or save error, check that the folder is writable and follow the game's documented fix. Only grant administrator access when a trusted game's specific setup requires it.
How do I update my GPU drivers for this game?
The game won't launch — what should I try?
Check that extraction completed and your PC meets the system requirements. Note any error message before choosing a fix. If it identifies a missing runtime, install the required DirectX components or Microsoft Visual C++ Redistributable from Microsoft.
My antivirus is blocking the game — is it safe?
A warning needs to be investigated; the download source alone cannot confirm that a file is safe. Keep your security software enabled and review the detection details. Do not run or restore a flagged file unless you have verified that it is a false positive. If you are unsure, leave it quarantined.