Splanes

A WW2-style scroll shooter game built with Go and SDL2.

Gameplay

• Control a fighter plane flying over the ocean
• Survive waves of enemy planes, submarines, and bombers
• Collect health pickups and avoid enemy bombs
• Score points by destroying enemies
• Press ESC at any time to pause and access the menu

Controls

Key	Action
Arrow Keys / WASD / JKHL	Move plane left/right, navigate menu
Q / E	Rotate plane left/right
Space	Fire bullets
X	Drop bomb
Enter	Confirm selection in menu
ESC	Pause / Menu
F1	Increase music volume
F2	Decrease music volume

Alternative movement keys:

• Up: ↑, W, K
• Down: ↓, S, J
• Left: ←, A, H
• Right: →, D, L

Build & Run

make run      # Run the game
make build    # Build binary
make lint     # Run linter
make fmt      # Format code

Requirements

• Go 1.26+
• SDL2, SDL2_mixer, SDL2_ttf system libraries

Project History

Written by Daniil Stepanov in 2019. Originally a Java game (2015-2016), then ported to C. Ported to Go on April 22nd, 2026.

Project Structure

• main.go - Game loop and SDL initialization
• entity_*.go - Game entities (player, enemies, bullets, explosions)
• menu_*.go - Menu screens (main, pause, game over, about)
• gui_*.go - UI components (health bar, progress bar, fonts)
• renderer.go, sound.go - Rendering and audio systems
• assets/ - Sprites, fonts, sound effects, music