Developer Slipgate Ironworks and publisher 3D Realms have announced that upcoming real-time strategy game Tempest Rising is now available for pre-order on PC through Steam. Along with kicking off pre-orders, the game also has a demo that players can play to see if they like the game. Theres also a pre-order trailer, which you can check out below.The demo for Tempest Rising, which will be available until February 3 as part of the currently-ongoing Real-Time Strategy Fest on Steam, features a number of game modes, including multiplayer, with 3 maps: The Alps (2v2), Oasis (1v1), and Altitude (1v1). While fans of single-player campaigns will have to wait for a bit, they can still check out the gameplay through skirmishes against AI opponents in these maps.Tempest Rising takes place in an alternate timeline in the year 1997, where conflict rose due to the Cuban Missile Crisis going nuclear. At launch, the game will feature single-player campaigns, complete with unique factions that will allow players to experience the story.On the gameplay front, Tempest Rising is looking to classic RTS titles of the past, with a focus on fast and fluid base building as well as plenty of customisation and battles to take part in. The multiplayer will feature two factions, each with their own strengths and weaknesses, as well as entirely different rosters.The game is available for pre-order at 39.99 for the standard edition, and 49.99 for the deluxe edition, which includes a digital artbook, the full 43-track soundtrack, and a weeks advanced access to the game. Pre-ordering Tempest Rising will also get players access to the Commander Pack DLC, which includes in-game cosmetics like player icons, cursors and skins.Tempest Rising is coming to PC on April 24.