Solving Synacor Challenge

The game: https://challenge.synacor.com/

My notes on it: https://paiv.github.io/blog/2016/04/24/synacor-challenge.html

SPOILER ALERT

Reading this repository before completing the game will take from you the deep satisfaction from solving hard problems.

The Code

• vm - virtual machine
• ida - disassembler
• mapper - graph the dungeon
• play - save and restore, debugger shell
• solvers

Building

mkdir build && cd build
cmake ../code/src/
make

Run the game debugger:

play/synacor challenge.bin

Debugger commands

Arguments should be in hex, without base prefix (1ee7)

Everything not in this list is passed to the game.

• save - saves game state
• load, restore [fn] - restores from save
• restart, reset - resets to clean state
• di, dis, disassemble [addr] - disassemble current pointer, or memory
• reg, regs, registers - show registers
• s, si, step - step in
• c, cont - continue to run
• b, break [addr] - break on address
• clear [addr] - remove breakpoint on address
• fin, finish - step out (limited to first encountered return)
• m, mem, memory [addr [size]] - show memory dump
• stack - show stack
• write [addr|reg] [value] - write to memory or register