Ys vs. Trails in the Sky: Alternative Saga

A crossover arena fighter with jumping and RPG character progression

Nihon Falcom · Published by refint/games · Released Oct 10, 2025

Reviews: Very Positive; 92% of 63
Recent reviews: Not enough recent
Players: 0; daily peak, Oct 28, 2026
Steam Deck: Verified
Last update on Steam: 2 months ago; Aug 22, 2026
Minimum PC: 600 Series; 4 GB RAM · 6 GB disk; Full requirements

What is Ys vs. Trails in the Sky: Alternative Saga?

This top-down arena fighter brings characters from Ys and Trails in the Sky together in a crossover story. In each battle, you jump around the arena, chain attacks, and use support characters to help fight.

For you if...

+you enjoy leveling characters and experimenting with equipment builds
+you want local or online matches with friends

Not for you if...

−you prefer turn-based battles over movement-heavy real-time combat

What players say

92% of 63 reviews are positive

Players praise the smooth online matches and interactions between characters from different series. Some describe character progression as grind-heavy.

Screenshots and trailer

Ys vs. Trails in the Sky: Alternative Saga screenshot 1

Ys vs. Trails in the Sky: Alternative Saga system requirements

Minimum: 600 Series, 4 GB RAM, 6 GB of disk space.

As published by the developer.

Can my PC run Ys vs. Trails in the Sky: Alternative Saga?

The published requirements do not name a graphics card we can compare.

Set up my PC →

Minimum

OS: Windows 10
Processor: Intel Core i3
Graphics: GeForce 600 Series
Memory: 4 GB RAM
Storage: 6 GB available space
DirectX: Version 11

Does Ys vs. Trails in the Sky: Alternative Saga have co-op or multiplayer?

Yes: co-op online and split-screen and LAN; PvP online and split-screen and LAN. It also has a single-player mode. Crossplay with other platforms is declared. With Remote Play Together, one copy is enough to play the local modes online with friends.

Does Ys vs. Trails in the Sky: Alternative Saga run on Steam Deck?

Verified Yes, Verified by Valve: it works on Steam Deck out of the box.

All functionality is accessible with the default controller configuration
Shows Steam Deck controller icons
In-game text is legible on Steam Deck
Default graphics settings perform well on Steam Deck
External controllers are not supported for the primary player

PC version details

DRM: None declared on Steam
Controller: Full controller support
Platforms: Windows
Achievements: 58
Steam features: Cloud saves, Family Sharing, Trading cards
Languages: Full audio: English, Japanese.

Does Ys vs. Trails in the Sky: Alternative 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 28, 2026. How to filter AI games on Steam