GamesOA Logo
GamesOver Analyzed
⌘K

GamesOA © 2026

The ultimate PC game compatibility database.

AboutPrivacy PolicyTerms of ServiceContact
Summer Islands cover

Summer Islands

A Real Time Strategy (RTS) game by Marttalin Games, released in 2025

No Rating🔴Niche / Inactive⏳Proton PendingLinuxPC (Microsoft Windows)Mac

Be the right businessman and build a unique holiday paradise. Become rich and enlarge your paradise. But be on the lookout for your competitors and the unpredictable weather. Summer Islands – In this diversified economic simulation you have the possibility to build an indescribable holiday paradise. Build cottages, villas or expensive hotels, right on the beach or in the mountains. When a building has been completed, the tourists can come by boat or plane. Then the difficulty begins: build bars, discos, golf courses, supermarkets and many other buildings, which are popular by the tourists and let you as the owner become rich. But do not forget their surroundings. The many catastrophes that can occur and your enemies who also want to depend on the cake. You should always keep an eye on your vacation paradise.

Single playerMultiplayerCo-operative

Buy Summer Islands - Best Price

Current lowest price for Summer Islands PC key. Verified daily.

Price unavailable
Real-time Summer Islands deals

⚠️Unable to fetch store prices for Summer Islands.Please try again later.

Summer Islands Download Size

We are currently tracking official storage requirements for Summer Islands. Check back for updates on install size and SSD costs.

Is Summer Islands Dead?

Live player count and server population analysis.

🔴Niche / Inactive
1Players Online

There are currently 1 people playing Summer Islands, indicating a niche or private community. Coordinate via Discord for best results.

Current Activity24h Peak: 1.2
Estimated Match Wait: Long Wait / Discord Required
Live Data from SteamAPI

Where is the Summer Islands save file?

Manual backup locations for PC, Mac, and Linux.

Steam Cloud Supported
Copy
%USERPROFILE%\AppData\Local\SummerIslands\Saved\SaveGames

How to backup manually on Windows

  1. Press Win + R to open the Run dialog.
  2. Paste the path above and press Enter.
  3. Locate the save files (usually .sav, .json, or similar).
  4. Copy the entire folder to a backup location.
Copy
~/Library/Application Support/SummerIslands/Saves

How to backup manually on Mac

  1. Open Finder and press ⌘ + Shift + G.
  2. Paste the path above and click Go.
  3. Locate the save files in the folder.
  4. Duplicate the folder to create a backup.
Copy
~/.local/share/SummerIslands/Saves

How to backup manually on Linux

  1. Open a terminal and use cd to navigate to the path.
  2. Or use your file manager and press Ctrl + L to enter the path.
  3. Locate the save files (.sav, .json, or game-specific format).
  4. Copy the folder with cp -r or your file manager.
Source: PCGamingWiki ↗

Is Summer Islands Steam Deck Compatible?

SteamOS and Linux Proton performance analysis.

Valve Official🚫Unsupported
Community Rating⏳ Proton Pending

Performance Analysis

Compatibility data for Summer Islands is currently mixed. Check recent ProtonDB reports for specific launch commands.

Confidence: Moderate
See 1 user configs ↗

Can I Run Summer Islands?

System requirements not available for this title.

Summer Islands Review Score

Pending critic evaluation. Check back soon for the official verdict.

Other games you may like

Discover more games sharing similar genres.

2018

RimWorld

View Details
2014

Banished

View Details
2016

Shadow Tactics: Blades of the Shogun

View Details
2018

Northgard

View Details
2018

Bad North

View Details
2023

Against the Storm

View Details
2014

Door Kickers

View Details
2008

Defense Grid: The Awakening

View Details