Is Senior Assassin safe?
Mostly, and the exceptions are specific enough to design around. In the incidents that have been publicly documented, the harm almost never came from the water. It came from cars, from blasters that a stranger read as a real firearm, and from players going somewhere they had no right to be. Both recorded deaths involved a moving vehicle. Neither involved being soaked.
That is a useful thing to know, because it means the argument is not really about whether high-school seniors should play a water-gun game. It is about whether the game they play has three specific rules in it. This page is the honest version of that conversation for parents, principals, and the student who is about to organize one.
What actually goes wrong
Cars. This is the one that kills people.
Of the publicly documented incidents, the two fatal ones and the serious injury crashes all involved moving vehicles: two students killed in a Minnesota crash in 2024 while playing from a moving car, two injured in an Illinois crash the same year, and a Texas student killed in 2025 after falling from the back of a moving jeep. This is the single most dangerous thing about the game and it is the part most school rulebooks treat as a footnote, if they mention it at all.
The rule that addresses it has to be absolute and it has to have teeth: no eliminations at, from, or involving a moving vehicle, and no driving in pursuit of anyone. Not "be careful." Immediate and permanent removal from the game, no appeal. A player who is willing to run this risk for a water-gun game is exactly the player the rule exists for.
Blasters that read as real weapons.
In 2024 in suburban Chicago, two students ambushing a target in a restaurant had a real firearm drawn on them by a concealed-carry holder who read it as a robbery. In 2025 in Florida, a student pursuing a target at night was shot by a police officer and needed surgery on a broken arm. In 2023 in Pennsylvania, a school was evacuated over a reported firearm at a sporting event; it was a water gun.
Nobody in those stories did anything malicious. A stranger saw someone advancing with what looked like a weapon and reacted the way people react. Three rules cut almost all of it: brightly colored blasters only, with no clear, black, or realistically-shaped models; nothing after dark; and never inside a business, a restaurant, or any public building where onlookers have no idea a game is happening.
Property, and the people on it.
In 2017 in Hopkinton, Massachusetts, three students entered an elderly neighbor's garage believing it was their target's. The homeowner, who had never heard of the game, locked them in and called the police. They came close to felony charges over a squirt gun.
Trespassing is the rule that students break most casually and that carries the heaviest legal consequences. No entering a home, garage, yard, or vehicle uninvited, ever, including a target's own home unless someone who actually lives there lets you in.
The five rules that remove most of the risk
If you read nothing else on this page, these are the ones that map directly onto the documented incidents:
- No vehicles at all. No eliminating from a car, at a car, or while driving to chase anyone. Immediate permanent removal.
- Bright blasters, daylight only. No clear, black, or realistic models. Nothing after dark, when a water gun and a real one look identical.
- No trespassing, no entering anything. Homes, garages, yards, cars, workplaces. Public sidewalks and open outdoor spaces only.
- Wide safe zones. School grounds and school events, workplaces, places of worship, family events, and any business interior. If a stranger nearby would not know a game is happening, it is a safe zone.
- Any adult says stop, you stop. A parent, teacher, officer, or stranger tells you to stop: you stop, you walk away, and you take the loss. This outranks winning.
Our rulebook template has all five written in, editable so a school can tighten them further.
Two things worth removing entirely
These are structural, and they are the two places where the standard version of this game creates risk that no rule can fully manage.
Entry fees and prize pots. The common format has every player pay in, with the pot going to the last student standing. That turns a water fight into something with real money on it, which raises the stakes on exactly the behavior you want players to walk away from, and puts schools in an awkward position about student gambling. A game that costs nothing to enter loses nothing worth taking a risk over. This site's game is free by rule, with no fees and no pot anywhere in it, and that is not a pricing tier we might change later.
Location broadcasting. Some Senior Assassin apps share participating players' live locations as an added challenge. Whatever that does for gameplay, it means a roster of teenagers' real-time positions exists on a server, and it encourages exactly the pursuit behavior behind the vehicle incidents. This site collects no location data of any kind, so there is nothing to broadcast, leak, or hand over. Game content is encrypted in the organizer's own browser before it is stored, which means we cannot read a roster or anyone's target either. See what we store.
For parents
Reasonable questions to ask before saying yes, and the answers you want to hear:
- Is there a written rulebook everyone agreed to? If the rules live in a group chat, there are no rules.
- What does it say about cars? This is the question. If the answer is vague, that is your answer.
- Is money involved? Entry fees change the incentives.
- Does the app track locations? If yes, ask who can see them and for how long.
- What are the safe zones, and does that include work? Most students have jobs and most employers have not consented to this.
- Who is the organizer, and will they actually eliminate a friend who breaks a rule?
For schools
Senior Assassin is almost never school-sanctioned, and the schools that handle it best generally do not try to ban it outright, because a banned game moves somewhere you cannot see it and the rules get worse. What tends to work is naming the three real risks in plain language, insisting that school grounds and school events are hard safe zones, and asking the student organizer to share the rulebook with an administrator before the roster locks. Not for approval. Just so someone with judgment has read it.
The template below is written to be handed to a principal without editing.
The safety agreement
Every blank is editable. Fill it in, then copy it to the group chat or print it and have players and parents sign it. Organizers: keep the signed copies.