OnGrid()
Build, expand, and defend a finite grid while dynamically reshaping enemy paths. Every decision matters as escalating Colossus waves push your defenses to the limit. How long can you remain OnGrid()?
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About this game
How Long Can You Remain OnGrid()?
OnGrid() is a tower defense strategy game built around a simple idea:
Every tile matters.
Expand enemy paths, place powerful defenses, and shape the battlefield to create the ultimate defensive network. Every decision you make in the early game affects your chances of survival later on.
As waves grow stronger, your carefully planned grid becomes both your greatest strength and your biggest limitation.
BUILD DEFENSES
Place and upgrade multiple tower types, each with a unique battlefield role.
• Basic Towers for reliable damage
• Sniper Towers for long-range elimination
• Freeze Towers to slow advancing enemies
• Mortars for devastating area damage
EXTEND YOUR PATH
Unlike traditional tower defense games, the battlefield evolves.
Remove blocks between waves to push the enemy spawn point farther from your AI Core.
More distance means more time.
But every change to the grid permanently shapes the battlefield you'll be fighting on later.
SURVIVE THE COLOSSUS
Regular enemies aren't the only threat.
Colossus waves introduce massive enemies that alter the flow of battle and force you to adapt your strategy.
Survival depends on more than firepower.
It depends on planning.
CREATE KILL BOXES
Build overlapping fields of fire.
Use slowing effects, splash damage, and path manipulation to create devastating defensive zones.
The strongest layouts aren't always obvious.
Experiment, adapt, and discover new strategies.
FEATURES
• Finite-grid tower defense gameplay
• Dynamic path expansion system
• Multiple tower and enemy types
• Endless mode progression
• Escalating Colossus encounters
• Deep replayability through strategic planning
• Single-player gameplay
The question is simple:
How long can YOU remain OnGrid()?