thatgamecompany’s 24hr Game Jam

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Hello, I’m Kellee Santiago from thatgamecompany, creators of flOw, and currently in development on Flower. The fine people at Playstation.Blog are good enough to allow me to use my first post here to let you all in on a little thing we have going on here at thatgamecompany call the 24hr Game Jam.

Championed by our lead engineer John Edwards, the 24hr Game Jam was created as a way for us to do something quick, dirty, and fun … and maybe let out a little steam in the process. The goal is always to make a game, from start to finish, on the PS3 in 24hrs. We go from 10am Saturday to 10am Sunday, and then whatever we have, we lock it up. Future Game Jams might have more specific goals, but for this first one, we just wanted to see how much fun we could make in a day. Oh, and our game designer Nick Clark wanted something that was multiplayer that we could enjoy in the office.

So welcome … to Game Jam 0: Gravediggers


  • To see how much fun we could generate in 24 hours.
  • To make something multiplayer we could play in the office.



You are a gravedigger. There can be up to 6 gravediggers competing against one another locally. You move with an analog stick, jump with the “X” button, and shoot with Right Bumper. Oh yeah, you are a gravedigger with a pistol.


You are killing zombies. There are lots of them. More specifically you are collecting zombie heads. When you kill a zombie, their head pops off and you can collect them.


In order to get a point for your head, you must deposit heads into a crypt. There are two crypts on the level, but they can move around in the middle of a game.


You can shoot other players, and collect their heads. Their heads are worth more. In addition, you will be able to collect all of the zombie heads they have gathered so far.


If you are shot by another player or a zombie chomps you to death, your head will pop off and you will become a zombie. (“Rise from your grave….”) You can still chomp other players, but you can’t deposit heads, and you will remain a zombie until you find your head. If another player deposits your head in a crypt, it will pop up somewhere else on the level.

The ground is very soft. If it’s in your way, I suggest shooting a path through it. It’s a lot more fun. Every level is randomly generated.

Along the way, you might pick up special weapons:

  • Uzi (fast pistol)
  • mines (explode on impact)
  • satchel charges (detonated on command)
  • the uber-weapon, the shotgun.

If you pick one up, it will automatically become your new default weapon.

The first player to deposit 50 heads wins. Below is a play-through with five players.

And there you have it! The product of 24hrs straight work on the PS3. I’m not sure if it plays well on video, but I gotta tell you the game is large amounts of ridiculous fun for us to play. Maybe you have to be there. At any rate, I’m looking forward to reporting back from our next Game Jam, and I hope you all got a kick out of this one!

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