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An idle hack-and-slash shooter with fast-paced progression, playable in the corner of your screen.
Price history tracked since Jul 7, 2026 · vs all tracked offers.
Based solely on tracked price history — not purchase advice.
Tracked since Jul 7, 2026.
Steam Social Deduction Fest ends
Official stores with direct support.
ENDLESS SIGNAL is a minimalist idle hack-and-slash shooter designed to be played in a small window.
At first, you can only fire weak single shots and a few missiles.
Defeat enemies, collect coins, and gradually upgrade your ship.
But once your upgrades and equipment begin to synergize, everything changes.
Fire rate.
Projectile count.
Massive missile barrages.
Support attacks.
The moment those systems start chaining together, the once quiet battlefield becomes completely flooded with bullets and effects.
A tiny window slowly spirals out of control.
That is the core experience of ENDLESS SIGNAL.
Increase your attack power, fire rate, projectile speed, movement speed, coin multiplier, maximum HP, and more.
Use the coins earned from defeated enemies to continuously strengthen your build.
Enemies that once overwhelmed you will eventually vanish in seconds under overwhelming firepower.
ENDLESS SIGNAL features equipable “Power-Up Items.”
Each item comes with randomized options, meaning even identical equipment can perform differently.
Beyond standard S-rank items, the rare
“U (Unique)”
and
“UU (Ultra Unique)”
ranks can fundamentally alter the game itself.
Fuse weapons and support systems together
Transform the behavior of your attacks
Push your build into absurd territory
The moment you discover a broken combination, your build awakens completely.
The game contains 8 different weapon types.
As you continue using them, they level up and evolve into more powerful forms.
Weapons that spin while spraying bullets
Extremely high-damage sniper weapons
Shotguns that wipe out wide areas
High-risk melee weapons built for close combat
Your combat style changes dramatically depending on the weapons you choose.
After earning enough coins, “SIGNAL REBOOT” becomes available.
This is ENDLESS SIGNAL’s prestige system, but without the frustration of losing all your progress.
Many upgrades and progression elements can be carried over, allowing you to continuously strengthen your ship and push into deeper layers.
Combine countless upgrades and challenge the boss waiting in the deepest layer.
If you obtain powerful items or broken synergies early enough, you may clear the game far faster than expected.
Rather than endless grinding, ENDLESS SIGNAL is designed around a satisfying pace that leaves you thinking:
“Just one more run.”
Minimalist idle hack-and-slash shooter
Fast-paced progression system
Discover broken synergies and powerful builds
Power-up items with randomized modifiers
Weapon leveling and evolution system
Low-stress prestige system
Designed for small-window gameplay
Steam Achievements supported
