diff --git a/warren.lua b/warren.lua
index c7f7ef8..72c4cd1 100644
--- a/warren.lua
+++ b/warren.lua
@@ -1,12 +1,44 @@
 -- Headless entry point. Examples:
 --   lua warren.lua --seed 42 --auto 50
 --   lua warren.lua --seed 7 --auto 30 --save run.sav
+--   lua warren.lua --seed 3 --class ranger --auto 50
 --   lua warren.lua --load run.sav
+--   lua warren.lua --meta legacy.sav --seed 3 --auto 200
+--   lua warren.lua --meta legacy.sav --buy vigor
+--   lua warren.lua --meta legacy.sav --report
+--   lua warren.lua --meta legacy.sav --seed 3 --auto 200 --mutators famine,nightblind
+--   lua warren.lua --seed 3 --auto 200 --morgue run.morgue
+--   lua warren.lua --seed 3 --auto 200 --verify
+--   lua warren.lua --challenge 42 --auto 200
+--   lua warren.lua --meta legacy.sav --export-csv runs.csv
+--   lua warren.lua --meta legacy.sav --export-compendium bestiary.csv
+--   lua warren.lua --seed 3 --class fighter --play
+--   lua warren.lua --load run.sav --play
 
 local scriptDir = arg[0]:match("^(.*)[/\\]") or "."
 package.path = scriptDir .. "/src/?.lua;" .. scriptDir .. "/../src/?.lua;" .. package.path
 
 local Game = require("game")
+local Meta = require("meta")
+local Compendium = require("compendium")
+local Graves = require("graves")
+local Ascension = require("ascension")
+local Morgue = require("morgue")
+local Leaderboard = require("leaderboard")
+local Replay = require("replay")
+local Challenges = require("challenges")
+local Analytics = require("analytics")
+local Titles = require("titles")
+local Export = require("export")
+local Streaks = require("streaks")
+
+local function splitCommaList(text)
+  local list = {}
+  for part in text:gmatch("[^,]+") do
+    list[#list + 1] = part
+  end
+  return list
+end
 
 local function parseArgs(argv)
   local opts = { seed = os.time() & 0xFFFF, auto = 0 }
@@ -17,13 +49,121 @@ local function parseArgs(argv)
     elseif flag == "--auto" then opts.auto = math.tointeger(tonumber(argv[i + 1])); i = i + 2
     elseif flag == "--save" then opts.save = argv[i + 1]; i = i + 2
     elseif flag == "--load" then opts.load = argv[i + 1]; i = i + 2
+    elseif flag == "--class" then opts.class = argv[i + 1]; i = i + 2
+    elseif flag == "--meta" then opts.metaPath = argv[i + 1]; i = i + 2
+    elseif flag == "--buy" then opts.buy = argv[i + 1]; i = i + 2
+    elseif flag == "--report" then opts.report = true; i = i + 1
+    elseif flag == "--morgue" then opts.morguePath = argv[i + 1]; i = i + 2
+    elseif flag == "--verify" then opts.verify = true; i = i + 1
+    elseif flag == "--mutators" then opts.mutators = splitCommaList(argv[i + 1]); i = i + 2
+    elseif flag == "--challenge" then opts.challengeDay = math.tointeger(tonumber(argv[i + 1])); i = i + 2
+    elseif flag == "--export-csv" then opts.exportPath = argv[i + 1]; i = i + 2
+    elseif flag == "--export-compendium" then opts.exportCompendiumPath = argv[i + 1]; i = i + 2
+    elseif flag == "--play" then opts.play = true; i = i + 1
     else i = i + 1 end
   end
   return opts
 end
 
+-- Interactive terminal loop: renders the current frame, reads one line of
+-- input, and hands it straight to Game:manualStep - the same command
+-- interpreter (see commands.lua) a scripted test drives without a real
+-- terminal attached. "quit"/"exit"/"q" leave the run exactly where it
+-- stands rather than ending it, so a save taken right after --play still
+-- captures whatever the last accepted command left behind. Runs until the
+-- player dies, wins, quits, or stdin closes (a redirected script of
+-- commands hitting EOF ends the loop the same way an interactive quit
+-- would).
+local function playLoop(game)
+  io.write(game:render(), "\n")
+  while game.player:isAlive() and not game.won do
+    io.write("> ")
+    io.flush()
+    local line = io.read("l")
+    if not line then break end
+    local command = line:match("^%s*(.-)%s*$")
+    if command == "quit" or command == "exit" or command == "q" then
+      break
+    elseif command ~= "" then
+      local _, message = game:manualStep(command)
+      if message then io.write(message, "\n") end
+      io.write(game:render(), "\n")
+    end
+  end
+  if game.won then
+    io.write("you escape with the Amulet of Warren - you win!\n")
+  elseif not game.player:isAlive() then
+    io.write("you have died.\n")
+  end
+end
+
+local function reportMeta(meta)
+  local toNext = Titles.toNext(meta.renown)
+  local titleLine = toNext and string.format("%s (%d renown to next title)", Titles.forRenown(meta.renown), toNext)
+    or string.format("%s (top of the ladder)", Titles.forRenown(meta.renown))
+  io.write(string.format("renown %d | runs %d | wins %d | best depth %d | win rate %.0f%% | title %s\n",
+    meta.renown, meta.totalRuns, meta.wins, meta.bestDepth, Analytics.winRate(meta) * 100, titleLine))
+  local streakLength, streakOutcome = Streaks.current(meta.runHistory)
+  io.write(string.format("streak: %d %s in a row | best win streak %d\n",
+    streakLength, streakOutcome == nil and "runs" or (streakOutcome and "wins" or "losses"),
+    Streaks.bestWinStreak(meta.runHistory)))
+  for _, def in ipairs(Meta.PERKS) do
+    io.write(string.format("  perk %-12s %s (%d renown)\n",
+      def.key, Meta.isOwned(meta, def.key) and "[owned]" or "[locked]", def.cost))
+  end
+  io.write("challenges:\n")
+  for _, preset in ipairs(Challenges.CATALOG) do
+    io.write("  " .. Challenges.describe(preset) .. "\n")
+  end
+  for _, ach in ipairs(Meta.ACHIEVEMENTS) do
+    io.write(string.format("  achievement %-14s %s\n",
+      ach.key, meta.achievements[ach.key] and "[unlocked]" or "[locked]"))
+  end
+  for _, def in ipairs(Ascension.MUTATORS) do
+    io.write(string.format("  mutator %-12s %s (+%d%% renown) %s\n",
+      def.key, def.desc, def.renownBonus, Ascension.isUnlocked(meta, def.key) and "[unlocked]" or "[locked]"))
+  end
+  io.write("compendium:\n")
+  for _, entry in ipairs(Compendium.entries(meta.compendium or Compendium.new())) do
+    if entry.seen then
+      io.write(string.format("  %-14s slain %-3d %s\n", entry.name, entry.kills, entry.flavor or ""))
+    else
+      io.write(string.format("  %-14s [undiscovered]\n", entry.key))
+    end
+  end
+  local board = meta.leaderboard or Leaderboard.new()
+  io.write("leaderboard:\n")
+  for rank, entry in ipairs(Leaderboard.top(board)) do
+    io.write(string.format("  #%-2d %-6d %-10s depth %-2d turn %-5d seed %s %s\n",
+      rank, entry.score, entry.className, entry.depth, entry.turn, tostring(entry.seed),
+      entry.won and "(won)" or ""))
+  end
+  if #board > 0 then
+    io.write(string.format("  average score %.1f | favorite class %s\n",
+      Analytics.averageScore(board), Analytics.favoriteClass(board) or "none"))
+  end
+end
+
 local opts = parseArgs(arg)
-local game = opts.load and Game.load(opts.load) or Game.new(opts.seed)
+
+local challengePreset
+if opts.challengeDay then
+  challengePreset, opts.seed = Challenges.forDay(opts.challengeDay)
+  opts.class = challengePreset.class
+  opts.mutators = challengePreset.mutators
+  io.write(string.format("challenge: %s, seed %d\n", Challenges.describe(challengePreset), opts.seed))
+end
+
+local meta = opts.metaPath and Meta.load(opts.metaPath) or nil
+
+if meta and opts.buy then
+  local success, message = Meta.purchase(meta, opts.buy)
+  io.write(message, "\n")
+  if not success then os.exit(1) end
+end
+
+local game = opts.load and Game.load(opts.load)
+  or Game.new(opts.seed, { class = opts.class, meta = meta, graves = meta and meta.graves, mutators = opts.mutators })
 
 for _ = 1, opts.auto do
   if not game.player:isAlive() then break end