
GravBlast
Description
This is a small 2D shooter made for https://itch.io/jam/hej-2025-szeptember where you play in zero-gravity and you can only move by shooting. The goal is to survive as long as you can.
The game has active reload, different actions have different bonuses when timing it right
Made by István Nemes
Themes ZERO GRAVITY
Gameplay
Movement: you can only move by firing your gun (Left or right mouse button for different firing modes)
Active reload: using any action at the right time while reloading will trigger a bonus effect, but mistiming it increases reload time. Bonus effects:
- LMB - fire an explosive
- RMB - shotgun blast with penetrating pellets
- R - temporary rate of fire buff
Explosives (shoot to trigger) and health medkits (heal on contact) spawn occasionally.
Controls
- Shoot rifle - LMB
- Shoot shotgun - RMB
- Reload - R
- Open/Close Menu - M
Used assets at the bottom of the page
Genre: 2D shooter
Made with: Unity
Average session: 10-15 minutes
Inputs: keyboard + mouse
Packages from Unity Asset Store
- Free Stylized 2D Space Shooter Pack (Aliens) - https://assetstore.unity.com/packages/2d/free-stylized-2d-space-shooter-pack-245...
- Free Galaxy Background (Background) - https://assetstore.unity.com/packages/2d/free-galaxy-background-206059
- 2D Space Kit (Asteroids, background decorations) - https://assetstore.unity.com/packages/2d/environments/2d-space-kit-27662
- 2D Sci-Fi Weapons Pack (Explosive & Medkit) - https://assetstore.unity.com/packages/2d/textures-materials/2d-sci-fi-weapons-pa...
- 2D Spaceships Free Trial (Damaged ship parts) - https://assetstore.unity.com/packages/2d/environments/2d-spaceships-free-trial-1...
- Crosshairs (Crosshair) - https://assetstore.unity.com/packages/2d/gui/icons/crosshairs-216732
- Free Laser Weapons (Gun, reload & heal SFX) - https://assetstore.unity.com/packages/audio/sound-fx/weapons/free-laser-weapons-...
- Sci-fi GUI skin (GUI assets) - https://assetstore.unity.com/packages/2d/gui/sci-fi-gui-skin-15606
- Sprite muzzle flashes (Muzzle flashes) - https://assetstore.unity.com/packages/2d/textures-materials/sprite-muzzle-flashe...
Sound effects from Freesound
| Status | In development |
| Platforms | HTML5, Windows |
| Rating | Rated 5.0 out of 5 stars (1 total ratings) |
| Author | sajtfighter |
| Genre | Shooter |
| Made with | Unity |
| Tags | 2D, Space, Zero Gravity |
Download
Install instructions
Unzip and launch GravBlast.exe
Development log
- Update 4: Playable in browser! + minor adjustments92 days ago
- Update: enemies & visuals96 days ago
- Update 2: many small visual changes96 days ago
- Update 3: SFX added & GUI changes96 days ago




Leave a comment
Log in with itch.io to leave a comment.