Island SAGA

Adult turn-based RPG with flexible weapons, magic, and party formations

Kamichichi · Published by Remtairy · Released May 19, 2020

Reviews: Very Positive; 85% of 326
Recent reviews: Not enough recent
Players: 0; daily peak, Oct 28, 2026
Steam Deck: Unsupported
Last update on Steam: 4 years ago; Jan 16, 2022
Minimum PC: DirectX 9 GPU; 8 GB RAM · 6 GB disk; Full requirements

What is Island SAGA?

This single-player JRPG follows a treasure hunt on Valentine Island with four royal companions. You explore the island, take guild quests, and command the entire party in battle. Characters gain stats after fights rather than through traditional levels, while repeated use of weapons or magic unlocks skills.

For you if...

+you enjoy lighthearted romance and an anime-style cast
+you enjoy planning party tactics for tougher difficulty settings

Not for you if...

−you prefer games without sexual themes or nudity
−you want a tightly focused, story-led adventure

What players say

85% of 326 reviews are positive

Players praise the cast and skill progression. Complaints focus on uneven enemy scaling, repetitive fetch quests, and grinding. Players also note that explicit scenes require a separate patch.

Screenshots and trailer

Island SAGA system requirements

Minimum: DirectX 9 GPU, 8 GB RAM, 6 GB of disk space.

As published by the developer.

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Minimum

OS: Windows 10 (64-bit)
Processor: 2+ GHz processor
Graphics: Not an integrated video card; DirectX 9/OpenGL 4.1 capable GPU
Memory: 8 GB RAM
Storage: 6 GB available space
DirectX: Version 9.0
Notes: Installing on a SSD is strongly recommended; Close browsers and other programs before running the game

Does Island SAGA have co-op or multiplayer?

No: single-player only, no multiplayer modes declared.

Single-player

Does Island SAGA run on Steam Deck?

Unsupported No: Valve rates it Unsupported on Steam Deck.

Not supported on SteamOS

PC version details

DRM: None declared on Steam
Controller: Keyboard and mouse
Platforms: Windows, Linux
Achievements: 33
Steam features: Cloud saves, Family Sharing
Languages: Full audio: Japanese. Text only: English, Traditional Chinese.

Does Island SAGA use AI-generated content?

No AI-generated content is disclosed on the game's Steam page.

Self-reported by the developer under Steam rules: it covers AI content that ships in the game, not tools used to make it. Steam page checked on Oct 27, 2026. How to filter AI games on Steam