Past Synergy

A two-player puzzle platformer where teammates can hurt each other

Acetate123 · Released Apr 4, 2022

Reviews: Very Positive; 86% of 77
Recent reviews: Not enough recent
Players: 0; daily peak, Oct 28, 2026
Steam Deck: Playable
Last update on Steam: 4 years ago; May 8, 2022
Minimum PC: 4 GB RAM; Full requirements

What is Past Synergy?

This side-scrolling puzzle platformer has you divide roles with a partner to navigate cave levels and avoid traps. Shields block attacks, fireballs break fragile walls, and a double-jump ability lets your partner jump twice.

For you if...

+you want shared-screen play with a separate competitive mode

Not for you if...

−you prefer playing alone rather than coordinating with a partner

What players say

86% of 77 reviews are positive

Players praise the fun of playing with a friend, but several criticize slippery movement and awkward momentum.

Screenshots and trailer

Past Synergy system requirements

Minimum: 4 GB RAM.

As published by the developer.

Can my PC run Past Synergy?

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

Set up my PC →

Minimum

OS: Windows 7
Processor: Intel i5
Memory: 4 GB RAM

Does Past Synergy have co-op or multiplayer?

Yes: co-op split-screen; PvP split-screen. There is no single-player mode. With Remote Play Together, one copy is enough to play the local modes online with friends.

Does Past Synergy run on Steam Deck?

Playable Playable: it runs on Steam Deck with some adjustments.

Sometimes shows mouse, keyboard or non-Deck controller icons
All functionality is accessible with the default controller configuration
In-game text is legible on Steam Deck
Default graphics settings perform well on Steam Deck

PC version details

DRM: None declared on Steam
Controller: Keyboard and mouse
Platforms: Windows
Achievements: 4
Steam features: Family Sharing
Languages: Text only: English, Japanese, Korean, Spanish - Spain, Simplified Chinese.

Does Past Synergy 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