Made for Incremental Game Jam 2020

The theme was "Shrinking", so this is an idle TD with enemies that need to be reduced in size.

May have some bugs, please let me know (didn't have much time to test). Windows version also available.

Tower icons from - check them out!

PlatformsWindows, HTML5
Rated 4.0 out of 5 stars
(7 total ratings)
Made withGameMaker: Studio


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Click download now to get access to the following files:

NarrowDefence.exe 2 MB


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yay, im alomst at double the knockback!

This is a bug. Whenever i use diamonds it reesets mysled

i want

how to use code???/

Bug: you can click an already purchased diamond upgrade and lose diamonds.

Quick start-up guide:

1. Click on a square and buy a tower. You can drag any tower to a new square for free.

2. Buy more towers and increase their damage/range until you can beat Wave 10.

3. Stop buying upgrades, run in background and farm the diamonds at Wave 10.

so cool

how do you play

Really cool game! Keep it up!

how do you play

You click in a square and select what tower you want, and in the upgrades button you can upgrade it :)

Hey, this is a cool game!

how do you play

I love your game style, keep it up