
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.


Accompanying the astronaut to the mysterious room.!!br0ken!!

Entering the vast outdoor world.

Illuminating the lighthouse.

Unlocking the long-sealed chamber.

Collect all four magical artifacts.

Let four birds perch on the big tree.

Complete the game.

Uncover the secrets of the cabin experiment.
Minimum OS: Windows 10 (64bit) Processor: Intel Core 2 Duo E5200 Memory: 4 GB RAM Graphics: GeForce 9800GTX+ (1GB) DirectX: Version 10 Storage: 1 GB available space Additional Notes: 1080p, 16:9 recommended Recommended OS: Windows 10 (64bit) Processor: Intel Core i5 Memory: 8 GB RAM Graphics: GeForce GTX 560 DirectX: Version 11 Storage: 1 GB available space Additional Notes: 1080p, 16:9 recommended
Minimum OS: OS X 10.7 Processor: Intel Memory: 1 GB RAM Storage: 3 GB available space Recommended OS: OS X 10.7 Processor: Intel Memory: 1 GB RAM Storage: 3 GB available space