Trendy Entertainment have released on PC a development kit for tower defense game Dungeon Defenders, as well as access to a pre-alpha version of the new 16-player Capture the Flag mode. Both are available now via Steam.
CTF pits two teams of eight against each other, who must kill opponents and hold flags to gain points and win. Existing characters are supported. If you wish to participate in development, head here to offer feedback as it comes along.
If you need inspiration to start modding or just want to see what the engine can do, check out the video below, which twists the game into a first person shooter of sorts, one with Portal guns, crossbows, and more.