Also available is The Extra! Extra! Bundle, which contains Ironclad Tactics, the first two add-on campaigns for Ironclad Tactics when they’re released, a copy of SpaceChem with the 63 Corvi DLC, and a bunch of other fantastic extras. For more information, click the above link.
If everything goes according to plan, two-packs of Ironclad Tactics (one for you, one for a friend) will go on sale on Steam this Wednesday.