Iceberg Interactive announces Vector Thrust is coming to Steam in Q2 of this year, offering a cel-shaded arcade flight game for Windows PCs, with "an extensive variety of game modes to choose from, with quick, action-oriented instant play, and the option to experience a deep, story-based campaign." We have some Vector Thrust screenshots, and here's more on the game:

Vector Thrust delivers a huge array of aircraft from which choose, as well as tactical, intelligent AI to combat, where every unit works to complete its mission in a dynamic, ever-changing battlefield that is never played the same way twice.

• Perfect balance between realistic models and celshaded graphics. Each aircraft is faithfully recreated with a highly tactical and deep flight behavior while at the same time it still remains playable for even the most inexperienced players.
• Experience the immersive story-based Campaign in a unique world context or jump right into the action in the Quick Action mode.
• Fly an extensive collection of more than 200 aircraft, ranging from real-world models to unusual and rare prototypes, all of them recreated with precision and emphasizing their unique characteristics.
• Test your abilities with every aircraft in Challenge mode, or battle for the high score in Arcade mode.
• Quickly customize your own battles with skirmish mode, or create your dream operation to the finest detail with the mission editor.
• Confront other players online with a competitive Multiplayer mode which includes wide variety of game modes to prove who is King of the Skies.
• Expand the original game with user mode custom content and customize and change the flavor of your game with an extensive variety of mutations.