Security Patch
Fixes a known Unity security vulnerability.
Build, manage, and thrive in Island Master! Procedural islands, resource control, citizen happiness. Become the ultimate Island Master in this top-down city builder.
| App ID | 2548830 |
|---|---|
| App type | Game |
| Developer | Cody Cornell |
| Publisher | Cody Cornell |
| Release date | 2025-01-18 08:08 UTC |
| Release state | released |
| Store page | store.steampowered.com/app/2548830 |
| Last store refresh | 3 hours ago |
| # | Executable | Arguments | OS | Description |
|---|---|---|---|---|
| 0 | Island Master.exe |
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 22:34 UTC | $4.99 | $4.99 |
| DLC | AppID | Release | Price |
|---|---|---|---|
| No DLC known for this app. | |||
| Branch | Build ID | Description | Updated | Password |
|---|---|---|---|---|
| public | 20264912 | 2025-10-06 03:51 UTC |
| Depot | Name | OS | Size | Download | Public manifest | Notes |
|---|---|---|---|---|---|---|
| 2548831 | windows | 1.11 GB | 695.76 MB | 1684087215066340422 |
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 |
|---|---|---|---|
| 20264912 | public | 2025-10-06 03:51 UTC | 3 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 22:34 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. | ||||
Fixes a known Unity security vulnerability.
Added: Sandbox mode Peaceful and hardcore difficulties Photo mode Loading screen tips Rotation snapping Material offset info is changed during world gen and stored in save files. This leads to more varied color patterns on the terrain New events New splash texts New achievements Buildings make sounds when rotated New sound and screen effects for when you hit the map's edge Bug Fixes: Terrain material color adjustments Balancing changes for difficulty settings Certain events can only be triggered on certain difficulties Slight UI tweaks Graphics tweaks Minor performance improvements The lowest
Added: Injured units now leave blood puddles on the ground Pending buildings now indicate if they can be placed or not Units make sounds when hurt Buildings make sounds when damaged Steam profile picture is now displayed on the main menu Bug Fixes: Mild hit box tweaks Fixed bug where damage healed at noon would not be applied to the save file Adjusted some tooltips Spacial audio tweaks
Added: New UI animations New building animations New enemy and guard animations Bug Fixes: Replaced some old textures Fixed a bug where the text alert made by parks for consumed water would appear below the island
Added: Hurricanes Earthquakes Lightning An alert for new players New natural disaster commands Bug Fixes: Your population count will no longer be one lower than it should be upon loading a save Lighting tweaks
Added: Mansions Nice houses Graveyards Cathedrals Parks Markets More events Efficiency info is now in the info panel New command that spawns guards New command that prints the current efficiency to the event log New skybox Bug Fixes: Changed the way the game calculates and applies production efficiency Increased water used by crops Adjusted tree hitboxes Level up messages appear in the event log Fixed a bug where restaurants wouldn't show water usage Increased food and water consumed by restaurants Fixed bugs with health bars
Bug Fixes: The town hall will no longer say it doesn't have enough workers if it was generated on top of a rock or tree UI tweaks Increased the number of forts and camps you can have by 1 Minor AI improvements including paths no longer causing the AI to freak out and wolves can no longer glide over rivers Minor improvements to the way the game processes save files Mild performance improvements Camp and tent hit box tweaks
Added: Resources slowly regenerate over time New guard camps Tents Put a limit on how many forts can be on an island at any given time New deforest and reforest command Bug Fixes: Adjusted spawn rates for battle buildings Adjusted attack range of the fort Shader tweaks The UI button sound no longer plays multiple times at once upon loading a new scene Slight UI tweaks and fixes including fixes to the event log Tooltips will no longer stay on screen when they should be hidden Indicators for battle buildings are no longer part of the building if when determining if you have your mouse over the b
Added: Added a new xp system Add a new fort building Added guard units that will fight to protect the city Added a raid beacon that can be used to force a mega raid to happen Bug Fixes: Slight buff to faith buildings AI tweaks The "enemy bridge" is now referred to as the "temporary bridge" Production buildings can't produce resources until placed Updated the guide book
Added: The UI will now point enemies out for you. Added more achievements. You can now click on enemies. Doing so will deal a small amount of damage. A new storage building was added as well as limits on how many of each resource can be stored at a given time. Added a wolf enemy who does more damage and is a little faster but can't build bridges. Added a bird enemy that can fly and move faster than the before-mentioned wolf but won't do much damage. Bug Fixes: After destroying a building the enemies are less likely to just stand in place doing nothing. At long last invisible walls exist to pre
Added: You can now cancel building by pressing F. Building placement controls pop up on screen to help you when you have a pending building selected. Added a build multiple mode for placing several of the same type of building. Added battle music. Building nameplates will now appear when you hover your mouse over a building. Added more diversity to the citizens and enemies. They will now be assigned a random skin tone upon spawning in. Bug Fixes: Buildings can no longer be moved during an attack. Mild tweaks to procedural generation.
Added: Enemies can now build bridges to cross rivers. They will not do this if your difficulty is set to easy. Added a viewable event log. The game will now add enemy health and position data to the save game data. The game will now add building health to the save game data. On loading a save all damaged buildings and enemies will now show their health bars briefly so you know and can see what the health of everything is at the start of your session. Bug Fixes: Build/destroy particles are less obscuring. Resized command window. Mild tweaks to enemy ai.
Added: Enemies now die automatically at noon each day. New blood particles for hurt enemies. Buildings now have particle effects for being placed/destroyed. Floating text now appears to show how much of a resource is being consumed/produced and the text is colored to match whichever resource it is.
Added: Added a town hall building that will trigger a game over if destroyed. Added a range indicator to the guard tower. Added attack particles to battle buildings. Added difficulty settings that affect resource gain, resource consumption, enemy stats, and settlement demands. Added spikes. Added more island names. Added more splash texts. Buildings will now display a red icon if you have too few people for the building to function. The icon will be yellow if you have people working there but the building isn't running at full efficiency. Enemy attack damage now scales with how many days have
Added: Every night at midnight attackers may decide to come to destroy your town. Added guard towers. Buildings now have a health stat that determines how damaged they are and how quickly they are destroyed. Every day at noon the health is restored to max. The game now tracks how many days your current play-through has lasted. Note that the more days that pass the more attackers that come. A game over screen was added. New enemy-related events. Added a command that spawns an enemy on a random spot on your island. Bug Fixes: Minor adjustments to graphics quality settings. Some adjustments to th
Full appinfo as delivered by Steam PICS, changenumber 35782759. Also at /api/app/2548830/raw.
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