Collie Defence GBA

Collie Defence
General
Author	vayan
Type	Simulation
Version	demo
License	Mixed
Last Updated	2023/07/14
Links
Download
Website
Source
Support Author

Collie Defence is a tower defence game for the Game Boy Advance.

It was created for the GBA Jam 2022 (3rd place).

Features

• 4 breathtaking biomes.
• 3 types of of enemies.
• 3 kinds of tower.
• Lots of levels.
• Rumble pack support.
• Open Source.

User guide

You're a Border Collie and you need to protect your flock of sheep.

Controls

B - Open the shop

A - Select your tower, Place your tower in the world

Screenshots

Compatibility

Works on Game Boy Advance Emulator like mGBA.

Or you can use a flashcard like EZ-Flash to play on real hardware.

Changelog

v1.1.0

• New Features:
  • Add level/stage selection UI + new "high score" game mode.
  • Add basic SFX.
  • Add QRCode generation to share high score and story progress online.
  • Add basic website to receive and display save data.
  • Add more information during levels (wave number etc..).
  • Add screen shake when loosing life.
  • Add options to hide/show certain towers for each level.
  • Add save system to store high score and story progress.
  • Add more levels.
  • Add unique musics for each levels.
  • Add a new catapult tower.
  • Implement long press on the cursor.
• Misc:
  • Migrate to LDtk 1.3.3.
  • Improve store to handle more towers.
  • Move more things into ROM storage.
  • Rename Collie Defence to Collie Defense GB -> US.
  • Revamp title screen.
  • Revamp game over screen.
  • Revamp win screen.
  • Some basic balancing.
• Bugs:
  • Fix memory crashes.
  • Fix crashes after game over.
  • Fix some z-index bug.

v1.0.0

• Start balancing tower/enemy settings.
• Bump butano to 12.4.0.
• Remove unlimited money.

v0.0.6

• Add dog and sheep sprites.
• Improve bullets physics.
• Fix memory leaks.
• Add start screen to host settings and level picker (wip).
• Add rumble support.
• Add level music (just placeholder musics for now).
• Fix the store UI and other UI glitches.
• Lot of bug fix.

v0.0.5

• Fix palette issues (no more broken backgrounds).
• Add some UI elements.
• Add bear, fox and tiger enemies.
• Add some random levels to test things.

v0.0.4

• Add real assets and animations + lot of refactoring for future improvements.

v0.0.3

• Improve tower selection with new Shop feature.
• Finish implementing money resource (gain/spend etc..).
• Improve tower attack range preview.
• Fix every time related action not working properly.

v0.0.2

• Add a new (less ugly) placeholder tileset.
• Add win/gameover state.
• Implement enemies wave.
• Level switching.
• Tower selection UI / aggro range indicator.
• Add enemies lifebar + bullet damage.
• Reduce level size to match GBA screen size.
• Add CI script for Itch.io deployment.
• Lot of random fix/improvements.

v0.0.1

• Something is kind of sort of playable.

External links

• itch.io - https://xvayan.itch.io/collie-defence
• GitHub - https://github.com/vayan/collie-defence
• Kickstarter - https://www.kickstarter.com/projects/elland/collie-defense