ISOLAND4: The Anchor of Memory
Released Jan 2024
ISOLAND4 is the fifth installment in the ISOLAND series by CottonGame. The game continues to feature the distinctive hand-drawn style of CottonGame, with point-and-click gameplay. The game also features a second playthrough mode, which allows players to gain a deeper understanding of the game.
87% positive · 166 reviews
Done
All announced content has been released
High confidence
Done
All announced content has been released
High confidence
Where to buy
Steam $2.99
Can't confirm — worth a look
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Evaluation
ISOLAND4: The Anchor of Memory launched on January 9, 2024 as a complete, self-contained puzzle adventure game — the fifth entry in CottonGame's long-running ISOLAND series. A bug fix patch was released on January 15, 2024 addressing issues discovered in the first week of release, which is standard post-launch maintenance.
CottonGame has not announced any DLC, expansions, or additional content for ISOLAND4. The studio has since moved on to new projects: a Kickstarter campaign for a new title called "Sunset Hills" launched in June 2024, and another new game called "Reviver" launched in January 2025. The developer's own launch announcement stated "as long as you still love it, we'll keep creating for this series," indicating a series-level commitment rather than any specific planned additions to ISOLAND4 itself.
The store description and short description describe a complete game experience with no mention of post-launch content. There are no DLC listings of any kind. The pattern for this studio is to ship complete, standalone games rather than update them with post-launch content. ISOLAND4 launched as a finished product and remains so.
Evidence
CottonGame announces their new game 'Reviver' launching January 9, 2025 — a separate title unrelated to ISOLAND4, further confirming the studio's focus has shifted away from ISOLAND4.
CottonGame launches a Kickstarter for a new title, 'Sunset Hills', showing the studio has moved on to new projects rather than continuing to develop ISOLAND4.
Media
Details
Developer
Publisher
Cotton Game
Achievements
21
Platform
Windows, macOS
Controller
—
Steam Deck
Verified
Players
Single-player
About this game
"ISOLAND4: The Anchor of Memory" belongs to which part of the ISOLAND series? Does it continue the story from "ISOLAND3: The Dust of the Universe," or does it start a new chapter? Can it truly unravel the past and present of the Lost Island?
You'll only know after you've played it yourself. Wait a moment... even after playing, you might not necessarily know. :)
Since the first ISOLAND, this journey has been full of twists and turns, both in the game and in real life.
ISOLAND4 continues to pay homage to literature, art, and music like its predecessors, with more intricate maps and puzzles. However, the foundation lies in richer Easter eggs, more mystical dialogues, and more abundant emotions.
This installment emphasizes the characters in the story, featuring both familiar and new faces. They assist you in rediscovering the island's secrets while unraveling their own life mysteries.
Do not overlook any detail; do not miss any conversation.
Things that seem useless may offer players more contemplation on the fate of life.
This ISOLAND is dedicated to my mother.
You'll only know after you've played it yourself. Wait a moment... even after playing, you might not necessarily know. :)
Since the first ISOLAND, this journey has been full of twists and turns, both in the game and in real life.
ISOLAND4 continues to pay homage to literature, art, and music like its predecessors, with more intricate maps and puzzles. However, the foundation lies in richer Easter eggs, more mystical dialogues, and more abundant emotions.
This installment emphasizes the characters in the story, featuring both familiar and new faces. They assist you in rediscovering the island's secrets while unraveling their own life mysteries.
Do not overlook any detail; do not miss any conversation.
Things that seem useless may offer players more contemplation on the fate of life.
This ISOLAND is dedicated to my mother.
Are these done yet?
Last evaluated Jun 20, 2026
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