Civ V is the standard version, HIB 3 contains - And Yet It Moves, Cogs, Hammerfight, VVVVVV and Crayon Physics Deluxe. HIB 4 contains - Jamestown, Bit.Trip Runner, Super Meat Boy, Shank, and Nightsky.
I also have Aquaria, Fractal, and Nightsky as individual keys.
Civ V is the standard version, HIB 3 contains - And Yet It Moves, Cogs, Hammerfight, VVVVVV and Crayon Physics Deluxe. HIB 4 contains - Jamestown, Bit.Trip Runner, Super Meat Boy, Shank, and Nightsky.
I also have Aquaria, Fractal, and Nightsky as individual keys.