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Actions

• Move [1]: Click on an adjacent room to move there. You will take damage if you leave a room that has a conscious alien.
• Disengage safety [1]: Click on your pawn while in an operations room to disengage the safety protocols for that room. Once you have disengaged the safety in every operations room, the self-destruct sequence will activate, and you will have 20 rounds to escape the ship.
• Fire [1]: Click on an alien to fire at it. This costs one point of ammo. Drones are destroyed and queens are stunned for five rounds.
• Heal [1]: Click on your pawn while in a medbay to restore four life points, to a maximum of your starting life total. You can only do this once per room.
• Gain security access [1]: Click on your pawn while in the security office to gain access to all security doors. You can move through them for 12 rounds. Aliens are still unable to use them.
• Jam door [1]: Click on a standard door connected to your current room to render it unusable. The door immediately becomes unusable at the start of this action; aliens can't use the door while you're jamming it. On higher difficulties, aliens can unjam doors.
• Rearm [1]: Click on your pawn while in a weapons locker to restore ammo to full. You can only do this once per room.
  
• Wait [1]: Click on your current room to forfeit your action.
  
• Launch escape pod [2]: Click on your pawn while in the escape pod chamber to escape the ship. You must first initiate the self-destruct sequence and send a distress call.
• Send distress call [2]: Click on your pawn while in the communications center to send a distress call. After performing this action, alien activity increases.
• Override door [3]: Click on a security door connected to your current room to convert it to a standard door. After you finish this action, aliens will be able to use the door, too.
• Unjam door [4]: Click on a jammed door to change it back to a regular door. The door becomes accessible once this action is complete; aliens can't use the door while you're unjamming it.

Instructions

Aliens have invaded your ship. Can you escape?

To win: You must initiate the ship's self-destruct sequence, send a distress call, and escape the ship in an escape pod. To initiate the self-destruct sequence, you must visit every operations room and disengage safety in each one. You can send a distress call at any time from the communications center. Only after the self-destruct sequence and distress call are ready may you escape the ship in an escape pod.

Each action takes a certain number of rounds, as indicated above. Each round, the aliens will act: drones move, and queens may move or spawn drones. Initially, queens cannot move and spawn in the same round, but once you send the distress call, queens may move and spawn in the same round, and their rate of spawning is increased. An alien in an adjacent room will always attempt to enter the room you are in, but a room can never contain more than one of each kind of alien.

An alien in the same room as you will damage you each round if you perform any action other than firing on the alien. You also take damage if you enter a room where an alien is present. Drones deal one point of damage, while queens deal two points. Actions that take multiple rounds leave you vulnerable: aliens can enter your room and attack while you are performing them. If you run out of life points, you die.

Both you and the aliens can move through standard doors. You can jam a standard door to prevent access. No one can move through security doors normally. You can use security doors by overriding them (converting them into standard doors) or by using the security office. Once you use the security office, you (but not aliens) may access security doors for the next 15 rounds. You can sense aliens in adjacent rooms, regardless of the door type that connects them.

Difficulty

Easy: You start with 16 maximum life and a full clip of ammo. One queen is aboard the ship, which is small and contains four operations rooms. You can see all aliens regardless of their position.

Normal: You start with 14 maximum life and four rounds of ammo. One queen is aboard the ship, which is small and contains five operations rooms.

Hard: You start with 12 maximum life and three rounds of ammo. Two queens are aboard the ship, which is quite large and contains six operations rooms. Queens may spend two rounds to unjam a door.

Nightmare: You start with 10 maximum life and one round of ammo. Three queens are aboard the ship, which is very large and contains eight operations rooms. Queens may spend two rounds and drones may spend three rounds to unjam a door.

Custom: Define your own settings for the game. You can mix and match the existing difficulty levels or create something entirely new. Click "Custom" once to open the menu, then adjust your settings and click "Custom" again to begin the game.

Tips

• Be careful about sending the distress signal. Once you do, queens will spawn drones at every opportunity.
• If you're in a room with a queen and a drone, shoot the queen first. Otherwise, you'll take more damage and she may spawn another drone.
• Careful use of doors allows you to escape from aliens. Try to jam doors such that aliens become isolated.
• Think carefully before overriding security doors. It's much slower, and it destroys a potential avenue of retreat.
• Carefully manage the operations rooms so that you can escape quickly after initiating the self-destruct sequence.

Like Brood?

Brood is a one-man effort, created for your enjoyment. The game is completely free to play. If you like Brood, consider donating to fund the development of more games like it.