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Summer Islands

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App ID 731650
App Type Game
Developer
Publisher Marttalin Games
Franchise Marttalin Games
Supported Systems Windows Linux
Last Changenumber 30659304
Last Record Update 18 August 2025 – 22:14:25 UTC ()
Release Date 25 January 2025 – 13:42:28 UTC ()
❓ 73.56%
165 reviews
1
In-Game
+10
🏠 Building 🏦 Economy 💡 Strategy 🔀 Procedural Generation 🤑 Capitalism

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.

Additional Information

Developer Marttalin Games
metacritic_name Summer Islands
controller_support full
community_visible_stats Yes
workshop_visible Yes
ReleaseState released
Publisher Marttalin Games
Store Release Date 25 January 2025 – 13:42:35 UTC ()
osarch 64
community_hub_visible Yes
Social Media https://www.instagram.com/marttalingames/
https://mastodon.social/@Marttalin
https://www.youtube.com/@Marttalin
Primary Genre Simulation (28)
Store Genres Casual (4), Indie (23), Simulation (28), Strategy (2)
Steam Release Date 25 January 2025 – 13:42:28 UTC ()
Store Asset Modification Time 29 March 2025 – 08:27:32 UTC () (1743236852)
library_assets
library_capsuleen
library_heroen
library_hero_bluren
library_logoen
library_headeren
logo_position ↴
pinned_positionCenterCenter
width_pct100
height_pct100
osextended empty string
review_score 8
review_percentage 80
Detected Technologies (?) CRIWARE SDK, Greenworks SDK, NWJS SDK, NodeJS SDK
Steam Deck Compatibility
  • Steam Deck:
  • All functionality is accessible when using the default controller configuration
  • This game shows Steam Deck controller icons
  • In-game interface text is legible on Steam Deck
  • This game's default graphics configuration performs well on Steam Deck
  •  
  • SteamOS:
  • This game runs successfully on SteamOS
  •  
  • category: Verified
  • steamos_compatibility: Compatible
  • test_timestamp: 11 June 2024 – 00:00:00 UTC
  • tested_build_id: 14657156
  • configuration:
    supported_inputgamepad
    requires_manual_keyboard_invoke0
    requires_non_controller_launcher_nav0
    primary_player_is_controller_slot_00
    non_deck_display_glyphs0
    small_text0
    requires_internet_for_setup0
    requires_internet_for_singleplayer0
    recommended_runtimenative
    requires_h2640
    requires_voice_files0
    gamescope_frame_limiter_not_supported0
    hdr_support0
controllertagwizard Yes
Early Access Release Date 21 June 2019 – 00:00:00 UTC ()
First seen on SteamDB 7 October 2017 – 08:39:00 UTC (), in changelist #3507171

Supported Languages

15 Languages Interface Full Audio Subtitles
German Yes Yes
English Yes Yes
Spanish - Spain Yes Yes
French Yes
Italian Yes
Arabic Yes
Portuguese - Brazil Yes
Traditional Chinese Yes
Simplified Chinese Yes
Japanese Yes
Korean Yes
Polish Yes
Russian Yes
Turkish Yes
Ukrainian Yes

Tags

🏠 Building 🏦 Economy 💡 Strategy 🔀 Procedural Generation 🤑 Capitalism 😌 Casual 💼 Management 👾 Pixel Graphics 👾 Retro 🖥️ Simulation 🕹️ Multiplayer ▶️ Real Time Tactics 🧱 Sandbox 👤 Singleplayer 📖 Level Editor 🤝 Co-op 🎮 Controller 🥊 PvP 👥 Online Co-Op 👥 Local Co-Op

Categories

Single-player Online PvP LAN PvP Online Co-op LAN Co-op Steam Achievements Steam Trading Cards Steam Workshop Steam Cloud Stats Includes level editor Family Sharing Multi-player PvP Co-op

Hardware Categories

Full Controller Support DualShock Controllers (USB Only) DualShock Controllers DualSense Controllers (USB Only) DualSense Controllers

Assets

Load all asset images
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header_image
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Assets
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community_icon0dab054949858255a7a8961b5be9b47dba755874.jpg
page_background_pathapp/731650
raw_page_backgroundpage_bg_raw.jpg
timestamp29 March 2025 – 08:27:45 UTC
Trailers
739996 ↴
trailer_nameSummer Islands Quick Tutorial EN
trailer_category1
trailer_480p/video/webm257045980/movie480_vp9.webm
trailer_480p/video/mp4257045980/movie480.mp4
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screenshot_medium257045980/movie.293x165.jpg
screenshot_full257045980/movie_full.jpg
all_agestrue
is_highlighttrue
timestamp1729072825
308855 ↴
trailer_nameThe Story in Summer Islands
trailer_category3
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trailer_480p/video/mp4256799071/movie480.mp4
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screenshot_medium256799071/movie.293x165.jpg
screenshot_full256799071/movie_full.jpg
all_agestrue
timestamp1729072830
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