Icy Tower v1.3.1

Local app ids icy_tower and icy_tower_installer. The pinned original installer is test/binaries/candidates/icy-tower/icytower13_install.exe; the optional installed browser payload is beneath that directory at installed/ and remains gitignored.

Provenance and distribution terms

The installed readme says the game is freeware and encourages distribution in its original form. It requires proper credit to Free Lunch Design and a link to the project site, and prohibits inclusion in commercial compilations or other commercial packages without author permission. Public packaging must preserve those conditions. The extracted browser fixture remains local because it is not the original distribution form.

Native installer path

The 2.6 MB package is a bootstrap. It writes a 658 KB Inno Setup child beneath C:\windows\temp and launches it with an /SL4 argument tied to the original package. test/test-icy-tower-candidate.js runs the unchanged bootstrap with --capture-launch, then runs the captured child with that exact argument while mounting the original installer at its guest path.

All extraction therefore happens inside Wine-Assembly. The host receives the installed VFS only after the wizard runs; the test then verifies the exact game hash and the distribution text in the installed readme.

This older Inno build retains the button renderer title Next > on its Ready page even after painting it as Install. The test detects the Ready page and delivers a physical click to that persistent button. Directly invoking the button procedure from control-channel evaluation would lose the installer continuation when extraction yields.

Set PREPARE_ICY_TOWER_DEBUG_WEB=1 while running the test to copy the emulator-installed payload to the ignored installed/ directory and generate its .wine-assembly-browser.json manifest.

Frozen gameplay route

node test/test-icy-tower-candidate.js

Both phases use the stdin control channel. Gameplay remains frozen between short explicit step bursts, so waiting for the driver consumes no emulator CPU. After the 640x480 title menu renders, the test presses the documented Space key to select Start Game, captures the first tower frame, holds Right, and captures Harold at his new position. Both frames must contain the indexed game art and differ by more than 1,000 pixels.

Screenshots are written to build/icy-tower-candidate/: the installer finish page, title menu, and two gameplay frames.