Summer Islands
Developed by Marttalin Games · Published by Marttalin Games
At a glance
Overview
A casual, indie, simulation game by Marttalin Games, published by Marttalin Games — single-player, multi-player, pvp, online pvp.
Steam’s own one-line description: “Summer Islands is a holiday real-time strategy business simulator. Be the right businessman, build your holiday paradise and grab the money from your tourists. Play alone, with your friends and with computer enemies and survive natural disasters without going insolvent.” — developer/publisher text via the Steam store page.
Reception & community
Review sentiment, ownership and peak-concurrent estimates via SteamSpy; tags are player-voted on Steam. Estimates change over time.
Features & modes
Derived from the gameplay modes and feature categories Steam lists for Summer Islands.
| Feature | Supported |
|---|---|
| Single-player | Yes |
| Multiplayer | Yes |
| Co-op | Yes |
| Online co-op | Yes |
| PvP | Yes |
| Cross-platform multiplayer | No |
| Full controller support | Yes |
| Partial controller support | No |
| Steam Cloud saves | Yes |
| Steam Achievements | Yes |
System requirements (PC)
As published on the Steam store page. Requirements can change between updates.
Minimum
- Requires a 64-bit processor and operating system
- OS: Windows 10 (64-bit) or newer
- Processor: Intel Core i5-2500K / AMD FX-6300 or better
- Memory: 4 GB RAM
- Graphics: NVIDIA GeForce GTX 970
- Storage: 700 MB available space
Recommended
- Requires a 64-bit processor and operating system
Supported languages (16)
Summer Islands FAQ
Answered from the official Steam listing as of June 2026. Where something hasn't been announced, we say so rather than guess.
What kind of game is Summer Islands?
Steam classifies Summer Islands as a Casual, Indie, Simulation, Strategy game, developed by Marttalin Games. Summer Islands is a holiday real-time strategy business simulator. Be the right businessman, build your holiday paradise and grab the money from your tourists. Play alone, with your friends and with computer enemies and survive natural disasters without going insolvent.
How much does Summer Islands cost?
As of June 2026, Steam lists Summer Islands at $14.99. Prices and regional pricing change — check the Steam page for the current figure.
Is Summer Islands single-player or multiplayer?
Steam lists these modes for Summer Islands: Single-player, Multi-player, PvP, Online PvP, LAN PvP, Co-op, Online Co-op. It supports both solo and multiplayer.
Is Summer Islands on PlayStation, Xbox, or Switch?
Our data comes from the Steam (PC) store, which lists Summer Islands for Windows, Linux. Console availability isn’t in our Steam-sourced data — check the official site or the console store.
Is Summer Islands out yet?
Yes — Steam lists a release date of Jan 25, 2025.
What platforms is Summer Islands on?
Summer Islands is listed for Windows, Linux on the Steam (PC) store. Console availability isn't covered by Steam's PC store data — check the official channels.
Is Summer Islands single-player or multiplayer?
Steam lists these modes: Single-player, Multi-player, PvP, Online PvP, LAN PvP, Co-op, Online Co-op.
How much does Summer Islands cost?
Steam lists it at $14.99.
Does Summer Islands have achievements?
Yes — Steam lists 38 achievements for Summer Islands.
Who made Summer Islands?
Summer Islands is developed by Marttalin Games and published by Marttalin Games.
Where to get Summer Islands
We don't sell games or track prices — this links to the official Steam store page.
View on Steam →Listing details from Valve's public Steam store data · official site. Not affiliated with Valve/Steam, Marttalin Games.