rdmbair15m5-changelog-20260822-0423-retroquest-kingsquest2-lemmings-studio

Playable Universal retro gaming suite, architecture PRD, and interactive HTML5 studio for King's Quest II: Romancing the Throne (1985) and Lemmings (1991), targeting Apple Silicon (M1–M5), Intel x86_64 macOS 26.7+, and iPadOS.

Scope

Host: rdmbair15m5 (Universal ARM64 & Intel macOS / iPadOS)
Application: RetroQuest (RetroQuest.app)

Exact files created on ~/Desktop/

~/Desktop/retroquest_macos_ipados_architecture_v822.md (Universal app architecture, Sierra AGI engine spec, Lemmings particle state machine, Metal CRT shader pipeline, iPad multi-touch, GameController support)
~/Desktop/retroquest_game_studio_v822.html (Playable Canvas 2D / Metal emulation studio with EGA 16-color King's Quest II parser gameplay, animated ocean, Graham sprites, Lemmings trapdoor terrain destruction, and WebAudio synthesizer)

Key Technical Features

King's Quest II AGI Recreation: Accurate 16-color EGA rendering, Graham 4-directional walking physics, classic command parser (LOOK, TAKE KEY, INVENTORY), Kolyma beach scene, and live score counter.
Lemmings Game Engine: Destructible pixel terrain, trapdoor spawning, Lemming state machine (falling, walking, wall-bouncing, digging, step building, nuking), and interactive skill bar.
Hardware & Display Emulation: Authentically scaled $320 \times 200$ resolution, CRT scanlines overlay, SoundBlaster procedural audio synth, and iPadOS on-screen D-Pad.

Verification Evidence

Verified valid Markdown and interactive playable HTML5 game studio created on ~/Desktop/.