Exodus

What You’ll Build

A terrain puzzle in the Lemmings tradition. Creatures walk across a bitmap landscape under a Copper sky — they fall into gaps, turn at walls, and march for the exit. The sixteen units live today build that living landscape from nothing: the Copper scene, bitplane terrain, walking creatures, gravity, collision, the exit, score and a title screen.

The game is mid-rework, and the next stage is the point of the whole module: the Blitter becomes your hand on the terrain — carving the land away and building it up to guide the creatures home. That rework is in progress; the current units stand as the foundation it builds on.

Why This Game?

Exodus is the track’s Blitter game. Flock taught hardware sprites — graphics the chip moves for you, eight at a time. Exodus is about everything sprites can’t do: a whole world of pixels, copied, masked and reshaped at hardware speed. Terrain lives in bitplanes; changing terrain is a Blitter operation; and a landscape that can be rewritten every frame is a kind of gameplay no sprite budget can reach.

Skills You’ll Master

• Copper landscapes — gradient scenes and display composition
• Bitplane terrain — the world as drawable, testable bitmap data
• Autonomous creatures — walking, turning, falling; reading the terrain
• Terrain collision and gravity — movement against bitplane data
• Blitter terrain verbs — copy and cookie-cut masking (the rework in progress)

Prerequisites

The Meet the Machine primer, and ideally Flock — Exodus assumes you can compose a Copper playfield and think in bitplanes, and it deliberately picks up where the sprite budget runs out.

You’ll need an emulator (FS-UAE, WinUAE or Emu198x), an assembler (vasm), and disk tools (amitools).