A downloadable GBA Project

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Made for: GBA Jam 2026

Controls: 

  • D-Pad to move
  • A to shoot (hold for auto-fire)
  • Start Button to begin/pause.

What's in the ROM:

  • 3 enemy types: Dart fighters (HP 1, straight descent), Heavy Cruisers (HP 3, sinusoidal path, diagonal shots), Boss Gunship (HP 20, hovers and fires 3-way salvos)
  • Wave system: waves loop with escalating formations; every 5th wave is a boss wave; wave-clear bonus of   wave × 500 pts
  • Parallax starfield: 3-layer scrolling at speeds 1/2/3 with dim/mid/bright brightness
  • Combo multiplier: chain kills within 1.5 s for a score multiplier shown in the HUD
  • Screen shake: scales with explosion size (4 frames for darts, 18 for boss)
  • PSG audio: shoot pew, small/large explosion noise, hit tone, wave-clear fanfare; all via GBA hardware channels 1 & 4
  • Screens: animated title, gameplay with HUD, wave-clear overlay, game over with hi-score retention

Banner by: GBADev-org/GBAJam26 Assets

Updated 6 days ago
Published 20 days ago
StatusPrototype
AuthorINTJT2
GenreShooter
TagsGame Boy Advance, Game Boy ROM, GBJam, Retro
Average sessionA few minutes
LanguagesEnglish
InputsGamepad (any)
AccessibilityColor-blind friendly
ContentNo generative AI was used

Download

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Click download now to get access to the following files:

TheSpaceProjectShip_jam.gba 13 kB
Font Sheet 50 kB
if you pay £4.99 GBP or more

Development log