---
id: GAL-34
title: Dual Fighter (Rescuing Captured Ship)
status: Todo
parent: null
labels: [gameplay, advanced-mechanics]
---

# GAL-34: Dual Fighter (Rescuing Captured Ship)

Allow the player to rescue a captured ship and operate in dual-fighter mode.

## Sub-issues

- [ ] [GAL-35](GAL-35.md) — Allow the player to shoot a Boss that is holding a captured ship.
- [ ] [GAL-36](GAL-36.md) — Implement the logic to free the captured ship upon shooting the Boss.
- [ ] [GAL-37](GAL-37.md) — Implement the dual fighter mode (controlling two ships, firing two bullets).

## Acceptance criteria

- [ ] End-to-end Galaga rescue flow works: capture → shoot Boss in `ReturningWithCaptive` → freed ship attaches → dual fighter active.
- [ ] Losing the side ship of a dual fighter does **not** subtract a life and does **not** trigger respawn.
- [ ] Score reflects rescue bonus distinct from a normal Boss kill.

## Integration test hints

- Scripted scenario test (`tests/dual_fighter.rs`): build a minimal `App`, advance through capture → rescue → side-fighter-loss; assert state and resource values at each step.
- Audit no regressions in `tests/special_stage.rs` style: keep tests deterministic by injecting `Time` and `fastrand` seeds.