Halloween: The Game Chapter 2: all 6 challenges
Chapter 2 is where Stalk stops being optional. Three of its six challenges require a Tier 3 Stalk before the execution you need will be available, which means the chapter is really about patience and positioning rather than about finding a weapon.
It is also the chapter with the most awkward timing challenge in the game — the one built around Slab — and the one where the order you kill people in matters most.
Challenge 1Cash register execution (Tanya)
Goal: Eliminate Tanya using the cash register.
Build Stalk on Tanya to Tier 3 first; the register execution will not offer itself below that. Then take her to the register and execute.
Stalk tiersEnvironmental executions
Challenge 2Environmental execution (Rachel)
Goal: Execute Rachel with an environmental execution.
Any environmental execution in the cemetery counts — there is no specific object. Grab her and use whatever is nearest.
Challenge 3Catch Slab at the tree
Goal: Grab and execute Slab while he is relieving himself.
The hardest timing in the chapter. After the cutscene, do not go for Rachel. Watch where her friends split off, cross to the right side of the cemetery, and wait for Slab to walk to the tree. Build Stalk on him while you wait. Grab him only once he has started — and without alerting him — then execute.
Stalk tiersNPC routines
Challenge 4Shelf execution (Eric)
Goal: Execute Eric using the hardware store shelf.
Tier 3 Stalk on Eric first, then take him to the shelf inside the store. Same pattern as the register: the Stalk tier is the gate, not the walk.
Stalk tiers
Challenge 5All three of Rachel's friends
Goal: Kill all three.
They separate after the cutscene, so note where each one goes before you commit to any of them. None wander far; the challenge is bookkeeping rather than tracking.
Challenge 6Alert nobody
Goal: Complete the chapter without alerting anyone.
Kill only your required targets. Extra kills are the usual cause of failure here — an unnecessary body is what gets you spotted.
Stealth routing
Story mode difficulty runs Normal, Hard, Boogeyman. Nothing published indicates a challenge is gated behind a difficulty setting.
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Sources: Official site