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Signal Decay

Offline-first idle RPG. 15 skills, a dying planet, your call.

Crash-land on a contaminated world and rebuild. OSRS-style combat, programmable Combat Protocols, 10-tier crafting, and 15 lifeskills — all offline-first.

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Signal Decay

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Signal Decay Dev Log: Launch, Roadmap, and What We Built
News

Signal Decay Dev Log: Launch, Roadmap, and What We Built

A founders' dev log on Signal Decay. What shipped at launch, why we built it offline-first, where the roadmap goes next. From crash landing to Architects-era endgame.

From Scrap to Neutronium: The 10-Tier Crafting Backbone of Signal Decay
Guides

From Scrap to Neutronium: The 10-Tier Crafting Backbone of Signal Decay

Signal Decay ships with 10 resource tiers across 6 resource types. T1 through T8 feed equipment. T9 and T10 are reserved for consumables, gems, and masterworks. A crafting showcase.

Combat Protocols: Programming Your Auto-Battler in Signal Decay
Guides

Combat Protocols: Programming Your Auto-Battler in Signal Decay

Combat Protocols let you author the rules your character fights by. OSRS combat options crossed with MMO macros, layered on top of a separate Protocol Buffs combat skill. A feature deep-dive.

15 Skills, 99 Levels Each: How Signal Decay Borrows from RuneScape
Guides

15 Skills, 99 Levels Each: How Signal Decay Borrows from RuneScape

Signal Decay ships with 15 lifeskills, each capped at level 99, and seven OSRS-style combat skills leveled through attack-style XP routing. A breakdown for the RuneScape crowd.

Why Offline-First Is the Right Answer for Idle Games
Guides

Why Offline-First Is the Right Answer for Idle Games

Idle games are a contract with the player's time. Offline-first respects that contract. A design philosophy piece on why Signal Decay runs the simulation on your device, not on a server.

Signal Decay vs Melvor Idle: Which Idle RPG Should You Play in 2026?
Guides

Signal Decay vs Melvor Idle: Which Idle RPG Should You Play in 2026?

Melvor Idle defined the modern idle RPG. Signal Decay takes the formula offline-first, sci-fi, and adds programmable Combat Protocols. Side-by-side comparison of skills, combat, crafting, and progression.

Guides

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From Scrap to Neutronium: The 10-Tier Crafting Backbone of Signal Decay
Guides

From Scrap to Neutronium: The 10-Tier Crafting Backbone of Signal Decay

Signal Decay ships with 10 resource tiers across 6 resource types. T1 through T8 feed equipment. T9 and T10 are reserved for consumables, gems, and masterworks. A crafting showcase.

Combat Protocols: Programming Your Auto-Battler in Signal Decay
Guides

Combat Protocols: Programming Your Auto-Battler in Signal Decay

Combat Protocols let you author the rules your character fights by. OSRS combat options crossed with MMO macros, layered on top of a separate Protocol Buffs combat skill. A feature deep-dive.

15 Skills, 99 Levels Each: How Signal Decay Borrows from RuneScape
Guides

15 Skills, 99 Levels Each: How Signal Decay Borrows from RuneScape

Signal Decay ships with 15 lifeskills, each capped at level 99, and seven OSRS-style combat skills leveled through attack-style XP routing. A breakdown for the RuneScape crowd.

Why Offline-First Is the Right Answer for Idle Games
Guides

Why Offline-First Is the Right Answer for Idle Games

Idle games are a contract with the player's time. Offline-first respects that contract. A design philosophy piece on why Signal Decay runs the simulation on your device, not on a server.

Signal Decay vs Melvor Idle: Which Idle RPG Should You Play in 2026?
Guides

Signal Decay vs Melvor Idle: Which Idle RPG Should You Play in 2026?

Melvor Idle defined the modern idle RPG. Signal Decay takes the formula offline-first, sci-fi, and adds programmable Combat Protocols. Side-by-side comparison of skills, combat, crafting, and progression.

Signal Decay: Offline-First Idle RPG with 15 Skills and a Dying Planet
Guides

Signal Decay: Offline-First Idle RPG with 15 Skills and a Dying Planet

Signal Decay is an offline-first idle and auto-battler RPG built in React Native. 15 lifeskills, OSRS-style combat, programmable Combat Protocols, and a 10-tier crafting backbone. Crash-land on a contaminated world and rebuild.

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