A downloadable game for Windows

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Entry for GBJAM5!

Music and Sound by @commandycan
Game by @Programancer

Meta, testing, and help by @sayomgwtf, @jordizzle, and @MisterFoxInc


  • 10/15/16
    • 3 more weapon levels added
    • Fixed bug where end boss and *secret* can't be
      damaged by the upgraded weapons.
  • 10/14/16
    • Autosave feature added
    • Difficulty adjustments on 2nd level
    • Refined boss fight on 2nd level
    • Fixed some progress problems with checkpoint rooms
  • 10/13/16
    • Added a new enemy- The Ceiling Turret
    • Slightly increased difficulty on 2nd boss by adding turrets to the boss room and increasing HP slightly.
    • Weapon levels added. Left slots for future updates.
  • 10/12/16
    • Reduced how often the first boss uses the laser attack to reduce difficulty
    • Added floating debris to the hangar power room.
    • Added floating debris to the introduction.
  • 10/10/16
    • Reduced recoil from gun
    • Fixed collision issues with corners allowing you to zip through walls if they're hit at the perfect velocity.

More information

Published12 days ago
Tagsfloating, gameboy, GBJam, jumping, Platformer, Retro, Shoot 'Em Up
Player countSingleplayer


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Click download now to get access to the following files:

GBJAM-5 Derelict Build 9 MB


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Really cool but also really hard! :O

Awesome game!

Can I ask if you can send me the sprite walking cycle?

Me & my friend thought it looked really simple & good and is just what we need! (We wont be using the sprite we will only be looking at your walking cycle and then try and do something similar)


Fun! Wish there were gun/health upgrades. Also wish you could save. Level 3 was very frustrating to invest 10 minutes only to have to start all over at the elevator again if I died.

Those things may be coming in the next update :) I actually already have assets made for gun upgrades and such, just never had a chance to implement them. Had to rush a lot to get it ready for the jam deadline~

A question about the gun - after collecting my first upgrade (from beating the first boss), the gun shortly after reverted back to the base level at some point and I never saw any upgrades again, was that meant to happen?

(Edited 1 time)

Upgrades work like Blaster Master- taking damage removes 1 level of weapon power. There's effectively 2/40 chance to get a drop from an enemy; 1/20 for health, 1/20 for weapon upgrades, so there's a chance you won't see an upgrade unless you're killing a bunch of robots.