Things you can't do in an RTS generally include: attacking your opponent in the past, undoing the future actions of your units, building things in the future and sending the back to a previous point in a game. These are all things you can do in Achron. The developers, who unveiled their idea at the 2009 GDC Experimental Gameplay Sessions explain it thus: "Achron is the world's first meta-time strategy game, a real-time strategy game where players and units can jump to and play at different times simultaneously and independently." It's a game that takes the impossible notions of cross-time war that we see juggled so cleverly in time-travel science fiction, and turns them into a practical gaming model. This is seriously smart game design, and, potentially, it provides a model for "real-time" time travel in all kinds of games, not just strategy games. An explanatory trailer and press release await you below, and believe me, you are going to want to watch this.

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