Instability: Fast-Paced Cross-Platform RTS Mayhem

9/3/2026, 4:50:14 AM

Release date: 7/28/2020

Tags: #action #strategy #tower-defense #rts #bullet-hell #city-builder #real-time-tactics #2d

User Reviews

Score: 76%Mostly Positive
Review Count: 42 reviews
Fetched At: 9/12/2026, 6:24:17 AM

Reference prices

Japan

Free to Play (JPY)

Steam JP

Free to Play (USD)

Steam

Live Store Snapshot

Body text may reflect the state at publication time. For the latest sale, price, and review changes, prioritize the live price panel, review panel, and the Steam store listing.

Japan Price: Free to Play
Global Price: Free to Play
Sale Status: Regular pricing
Price Checked At: 9/3/2026, 4:45:21 AM

The price snapshot and review snapshot differ by about 218 hours. Because they are not always refreshed at the same time, confirm the latest Steam listing before making a purchase decision.

Key highlight

Instability is a free-to-play, cross-platform RTS blending Tower Defense and Bullet Hell elements with hand-drawn art. Engage in fast-paced, reaction-based PvP combat on PC and Android.

Who this is for

Instability offers a unique blend of genres and cross-platform play in a free-to-play RTS package. If you enjoy strategic battles, it's definitely worth checking out.

Details

Overview

Instability is a free-to-play, cross-platform real-time strategy game that throws players into intense, reaction-based multiplayer battles. Developed and published by Perpetual Motion Software, this title blends elements of RTS, Tower Defense, and Bullet Hell into a unique, fast-paced experience. With its hand-drawn art style and focus on competitive player-vs-player combat, Instability aims to keep players engaged through stressful, quick matches.

Highlights

Genre Fusion: Instability masterfully combines RTS, Tower Defense, and Bullet Hell mechanics, offering a distinct gameplay loop.
Cross-Platform Play: Engage in battles against friends and foes on both PC and Android devices, thanks to its cross-platform support.
Hand-Drawn Aesthetics: The game features a charming hand-drawn art style that complements its frantic action.

Who It's For

This game is perfect for players who enjoy fast-paced strategy games that demand quick thinking and precise execution. If you're looking for a competitive multiplayer experience that you can jump into for quick sessions or longer tournaments, and you appreciate unique art styles, Instability should be on your radar. Its blend of genres also appeals to fans of Tower Defense and Bullet Hell games seeking a strategic twist.

Game Info

Instability is a single-player and multiplayer experience focused on building bases to outmaneuver and destroy opponents. The core gameplay revolves around real-time tactics and reaction-based combat, ensuring that every match is a dynamic challenge. The game is free to play, making it accessible to a wide audience eager to test their strategic prowess.