Killer or Not is officially categorized as Survival / 1 vs All. The developer’s description explicitly names a killer, tells other players to run away, and says teammates can help one another in other game modes. Those are the reliable foundations for understanding roles. Public sources do not yet establish a complete roster, formal name for every non-killer side, assignment probability, abilities, cooldowns, or per-mode win conditions.
This is therefore a currently documented role index, not a complete character list or tier list. It helps you interpret the assignment shown by the live game and keeps unsupported genre assumptions out of your decisions.
Official checkpoint, 2026-08-07 UTC: killer language, escape language, teammate help, and 1-vs-All classification are confirmed. Role selection, named subroles, kits, stats, and rewards need current in-game evidence.
Confirmed role framework
The official evidence supports two broad responsibilities: a killer side and players responding to that threat. Because the description says “other game modes,” that relationship may change by mode. The word Survivor is common in the genre, but it is not used as an official Killer or Not role name in the public material reviewed here. This guide uses “escaping players” or “teammate side” unless the live UI gives a more precise label.
Assassin is the name of another Place inside the same official Universe. That is a mode or Place identity, not proof that “Assassin” is a selectable role in every round. Do not merge those concepts without seeing the current assignment screen.
When your assignment names the killer
Read the assignment card and objective before acting. The public description supports the existence of a killer, but not the target rules. A current mode could impose conditions that are narrower than simply chasing every visible player. Follow the on-screen eligibility, objective, and result indicators.
Identify every ability or interaction only by its current label. If the HUD shows a cooldown, charge, target marker, or counter, use that visible state to time the action. Do not rely on a claimed weapon, damage number, stamina system, or power from another Roblox game. None of those fields is confirmed for this checkpoint.
Track what counts as progress. The most useful observations are the exact objective wording, which action changes the counter, what causes a target to stop being eligible, and what ends the round. Those facts can support a future dedicated killer guide; a montage title cannot.
For a second attempt, change one decision based on the result screen. If the round ended before you understood the objective, read the assignment longer. If a visible target escaped because you committed too early, compare routes only within the map you actually saw. Avoid naming or ranking maps until the game supplies stable names.
When your task is to get away
Running from the killer is the clearest non-killer action in the official description. Start with the current objective and prompts. Keep the killer in view when possible without abandoning a marked task, and avoid entering a route you have not inspected when the threat is close. These are decisions anchored to the stated chase relationship, not claims about a specific stamina or damage system.
Use the environment that the current round presents. Observe which paths remain open, where teammates are moving, and whether the UI identifies a shared goal. Do not assume a door, generator, vote, rescue station, hiding place, or item interaction exists because it appears in another game. If a prompt appears, read its label and note whether it advances the objective.
After the round, distinguish three failures: caught while repositioning, delayed by an unclear task, or round ended for a rule you did not recognize. Each calls for a different next step. The first suggests earlier route awareness; the second suggests reading the prompt sooner; the third requires checking the mode rules rather than practicing movement blindly.
Helping teammates without inventing a system
“Help your teammates” is official language, but the action is mode-dependent and publicly unspecified. Help only through a current game prompt, shared objective, marker, or clearly visible round action. This guide does not promise revives, heals, rescues, trades, shared inventory, or body-blocking mechanics.
Communicate concise, screen-backed information. If the game displays a mode name, target, route label, or warning, repeat that exact label. Avoid presenting suspicion or an unverified mechanic as a rule. When voice or chat is unavailable, movement and game-provided markers may still show a teammate’s intent.
Do not sacrifice the current objective merely because a nearby interaction looks helpful. Read whether it contributes to the mode and whether the killer is already close. The developer’s description makes teamwork relevant; the live UI decides what teamwork means in that round.
Role assignment status
No reliable public source reviewed here explains how the game chooses the killer, whether players can opt out, whether chance increases over time, whether a purchase affects selection, or whether assignment changes by mode. Any percentage or “best way to become killer” would be invented at this stage.
To document assignment responsibly, record several complete rounds in the same current build. Note the mode, server size, exact role text, whether any lobby control changes preference, and whether the result persists after rejoining. A personal sequence can show what happened to one account; it cannot establish a universal probability without a larger and transparent sample.
If the UI exposes an assignment preference or chance value, capture its exact wording and where it appears. That would be stronger than inferring a system from how often one player received the role.
Currently documented role index
- Killer: Official term. Exact selection, objectives, abilities, target rules, cooldowns, and win state are not publicly documented.
- Escaping players: Official task language says to run from the killer. The formal side name, number of players, objectives, and loss state need live verification.
- Teammates in other modes: Official description says teammates can be helped. The relevant modes and interaction types are unknown.
- Assassin: Official Place name within the Universe. It is not treated as a universal role label until the game shows that assignment.
This index is intentionally short. A larger roster would create false entities. When reliable current evidence names another role, the index can expand with its source, mode, objective, operations, and check date.
What to capture for a role guide
- Exact mode and Place.
- Assignment text and formal side name.
- Objective text.
- Visible abilities or interactions.
- Control prompts for the tested platform.
- Any timer, target, progress, or cooldown display.
- What ends the round.
- Result and reward wording.
- UTC date and whether a second server agrees.
Until those fields exist, a dedicated killer, escape, teamwork, or assignment article would repeat uncertainty rather than answer a distinct question. This hub keeps the verified foundation in one canonical place.
Roles FAQ
What roles are confirmed in Killer or Not?
The official description confirms a killer and other players who run away and may help teammates in other modes. It does not publish a complete role list.
Is the other side officially called Survivors?
Not in the public first-party wording reviewed for this checkpoint. Use the role name shown by the current game.
How do I become the killer?
The selection method and chance are not verified. Do not trust a percentage or purchase claim without current UI or developer evidence.
What is the best role?
There is no evidence-backed roster, comparison data, or stable scoring basis for a tier list. The useful choice depends on the assignment and mode the game gives you.
Is Assassin a role?
Assassin is an official Place name in the Universe. Its relationship to assignments and rules needs in-game verification; the name alone is not enough.